--- product_id: 31621764 title: "Eneloop Panasonic K-KJ55MCA4BA Advanced Individual Battery 3 Hour Quick Charger with 4 AA Rechargeable Batteries, White" brand: "eneloop" price: "NT$2210" currency: TWD in_stock: true reviews_count: 13 category: "Eneloop" url: https://www.desertcart.tw/products/31621764-eneloop-panasonic-k-kj55mca4ba-advanced-individual-battery-3-hour-quick store_origin: TW region: Taiwan --- # 3-hour quick charge solar pre-charged & long hold 2100 recharge cycles max Eneloop Panasonic K-KJ55MCA4BA Advanced Individual Battery 3 Hour Quick Charger with 4 AA Rechargeable Batteries, White **Brand:** eneloop **Price:** NT$2210 **Availability:** ✅ In Stock ## Summary > 🔋 Power up smarter, faster, and greener with Eneloop Panasonic! ## Quick Answers - **What is this?** Eneloop Panasonic K-KJ55MCA4BA Advanced Individual Battery 3 Hour Quick Charger with 4 AA Rechargeable Batteries, White by eneloop - **How much does it cost?** NT$2210 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/31621764-eneloop-panasonic-k-kj55mca4ba-advanced-individual-battery-3-hour-quick) ## Best For - eneloop enthusiasts ## Why This Product - Trusted eneloop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Power Boost:** Charge 4 AA batteries fully in just 3 hours—because your time is valuable. - • **Versatile & Reliable:** Perfect for remote controls, cameras, toys, and more—power your lifestyle without compromise. - • **Smart Individual Charging:** Each battery charges independently with LED status lights—know your power at a glance. - • **Unmatched Recharge Longevity:** Recharge up to 2100 times—cut waste, save money, and stay powered for years. - • **Eco-Friendly Solar Pre-Charge:** Factory pre-charged using solar energy and holds 70% charge for 10 years—ready when you are. ## Overview The Eneloop Panasonic K-KJ55MCA4BA kit includes 4 AA NiMH rechargeable batteries and a CC55 quick charger that individually charges each battery in approximately 3 hours. These batteries are pre-charged using solar power, maintain up to 70% charge after 10 years, and can be recharged up to 2100 times, delivering reliable 2000mAh power for a wide range of devices. The charger features 4 LED indicators for precise charge monitoring, making it an eco-conscious and efficient choice for professionals and tech-savvy users. ## Description eneloop AA and AAA NiMH ready to use rechargeable batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 2,100 times. eneloop AA and AAA rechargeable batteries deliver consistent power performance, maintain 70% of their charge for up to 10 years, come pre-charged by solar power (at the factory) and are ready to use out of the package. These eneloop batteries also feature extreme temperature performance down to -4 deg F. Pair eneloop and eneloop pro AA and AAA batteries with Panasonic advanced, quick advanced, or super quick advance eneloop chargers to maximize your rechargeable battery experience. The Panasonic eneloop BQ-CC55, 4-position Ni-MH battery charger can quickly, and individually charge any combination of up to four AA or AAA eneloop batteries in just 3 hours (one to two AA or AAA batteries can be fully charged in up to just 1.5 hours). Individual charging means you can easily and efficiently charge from 1 to 4 batteries with differing levels of remaining charge. A huge time saver! The CC55 charger also features 4 individual LED charge indicator lights. Once batteries are installed, the charger measures each cell and the corresponding light indicates the remaining charge; Green 80 to 100%, Orange 20% to 80%, and Red 0% to 20%. After each battery reaches the next level of charging the LED light changes to indicate the cells charge level. Once the battery is completely charged, the LED light turns off for that cell. Ideal for use at home, in the office, or on the road, this Panasonic CC55 charger is a quick and convenient way to recharge any combination of up to four AA or AAA Ni-MH eneloop, eneloop pro, or conventional Panasonic Ni-MH rechargeable batteries.. Review: Still the best in the business. - 16 Pack Panasonic Eneloop Standard AA (2000mAh) – Real Tested Capacity. Quick Verdict: If you want reliable, consistent rechargeable AA batteries that actually meet (and exceed) their rating, these are still the industry gold standard for NiMH batteries. ✔ Real tested capacity: 2200–2300mAh ✔ Extremely consistent across all cells ✔ No true weak batteries found after verification These outperform most “high capacity” competitors in real-world use. Real Capacity Test Results Tested using an ISDT N8-Series Smart Charger at 0.7A (analysis mode): * Average range: 2200–2300mAh * Best result: 2291mAh * Consistency: Tight grouping across all tested cells * Internal Resistance: Stable and well within expected range (lower internal resistance means less voltage sag under heavy load and better performance in high drain devices). These are rated at 2000mAh, so exceeding that consistently is a big win. Important Testing Discovery (to me anyway): During testing, one battery in slot #6 appeared to be a weak outlier. Instead of assuming a bad cell, I verified it: Retest Process * Moved the “weak” battery from Slot #6 → Slot #1 * Put a different battery into Slot #6 * Retested both under identical conditions Results * Retested cell: 2291mAh / 173 mΩ (completely normal) * Different cell in Slot #6: 2220mAh / 191 mΩ What This Means The issue was NOT the battery. It was slot variance on the charger (Slot #6) causing: * Slightly lower capacity readings * Slightly higher internal resistance Why This Matters * Confirms excellent consistency across all Eneloop cells * Shows results are reliable and verified * Eliminates concern about defective units Real-World Performance In everyday use, this translates to: * 🔋 Long runtime in high-drain devices * 🎮 Perfect for controllers, cameras, flashes * 🔁 Consistent performance across sets (no mismatched cells) * True Low self-discharge (will hold charge for years) Pros ✔ Exceeds rated capacity across the board ✔ Extremely consistent performance ✔ Good internal resistance ✔ Long lifespan (Thousands of cycles) ✔ Ready-to-use (Most batteries will ship with a “storage charge” that can be anywhere from 40-70% depending on different countries regulations for battery shipping/fire safety reasons. Still usable right out of the package but for maximum run time charge before first use). Cons ✖ Higher upfront cost vs budget brands (that’s about it really). However, even with higher upfront cost the value is still excellent compared to single use disposable alkaline batteries. They will pay for themselves after a few recharges. 🏁 Final Verdict Eneloop batteries continue to set the standard. Even after deeper testing and verification: Every single cell performed exactly as it should. No gimmicks. No inflated capacity ratings as some of the cheaper Chinese made batteries tend to do. Just reliable, consistent performance. 100% Highly recommended if you care about consistency and longevity. “Made in Japan” absolutely makes a difference. The FDK factory in Japan makes the best NiMH rechargeable batteries you can buy. In my opinion they are worth the extra cost. Please Note: All NiMH rechargeable batteries have a break-in period when new. This is usually 3-5 full charge/discharge cycles (for premium Japanese made cells like Eneloop, Fujitsu, and Lada around 2 charge/discharge cycles). A good smart charger with an “Activation” or “Refresh” function can do this for you (it can take several hours) or it will happen over time as you use them normally. This just means that capacity and performance will increase after break-in. So don’t be disappointed if initially the capacity isn’t what is rated. Also because of the different battery chemistry compared to alkalines devices that display a battery/charge gauge may read that the batteries are low or half charged. This is because NimH batteries run an average of 1.2 Volts. Most devices are calibrated only for alkalines which run an average of 1.5 volts when new and steadily drop as they are drained. The device will read 1.2 volts and assume it’s an alkaline that’s half drained or low. Just be aware of this. If the device is giving a half full or low battery reading it doesn’t mean the rechargeable battery is low, dead, or defective. Review: The Batteries That Ended My AA Battery Panic - If your house goes through batteries like mine does, Eneloops are one of the best investments you can make. Between toys, game controllers, remotes, cameras, and all the random gadgets that seem to need AA batteries, I was constantly buying replacements until I switched to these. The biggest selling point is that they're rechargeable and built to handle an incredible number of charge cycles. Instead of throwing away batteries every few weeks, I just recharge them and keep going. Over time, they've saved me a lot of money and a lot of trips to buy more batteries. Performance has been excellent. They hold their charge well, work reliably, and are always ready when I need them. The 16-pack is also a great size because I can keep devices running while another set is charging. These have become one of those purchases that quietly pay for themselves over and over again. Once you start using them, going back to disposable batteries feels like a downgrade. Verdict: Reliable, long-lasting, and worth every penny. If you're tired of constantly feeding batteries to toys, controllers, and household electronics, these absolutely understood the assignment. ## Features - LONG LASTING PERFORMANCE: Recharge eneloop AA rechargeable batteries up to 2100 times - POWERFUL NiMH RECHARGEABLE BATTERIES: eneloop AA Ni-MH pre-charged rechargeable battery deliver up to 2000mAh typical, 1900mAh minimum - PRE-CHARGED AND READY TO USE: eneloop AA rechargeable batteries are pre-charged at the factory using solar power and maintain up to 70% of their charge after 10 years (when not it use) - ADVANCED CHARGING CAPABILITES: The Panasonic CC55 battery charger individually charges each eneloop AA and AAA rechargeable battery, resulting in a perfect charge every time - 4 INDIVIDUAL LED COLOR INDICATORS: The CC55 battery charger features 4 separate LED charging lights, one for each unique charging station. Remaining battery charge is checked individually; green LED light (80+% charged); orange LED light (20% - 80% charged); red LED light (20% or less charged) - QUICK CHARGING TIMES: The CC55 battery charger will charge a fully discharged eneloop 4AA batteries in approximately 3 hours; eneloop 2AA or 2AAA in up to 1.5 hours. - SECURE, PROTECTIVE PACKAGING: This package contains four eneloop AA rechargeable batteries (made in Japan) and one CC55 charger, packaged together in the U.S.A. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01G3SS04A | | Antenna Location | remote controls, flashlights, toys, wireless computer devices, rc cars, digital camera flash units, game controllers and more | | Battery Capacity | 2000 milliampere_hour | | Battery Cell Composition | NiMH | | Battery Cell Type | NiMH | | Battery Weight | 84 g | | Best Sellers Rank | #4,448 in Health & Household ( See Top 100 in Health & Household ) #24 in AA Batteries | | Brand | Eneloop | | Customer Reviews | 4.8 out of 5 stars 11,917 Reviews | | Global Trade Identification Number | 00073096902596 | | Included Components | Panasonic CC55 Quick Battery Charger^eneloop Ready to Use Rechargeable Batteries (4) | | Item Dimensions | 4.75 x 1.13 x 8 inches | | Item Weight | 8.32 ounces | | Manufacturer | Panasonic | | Model Name | Rechargeable batteries | | Model Number | K-KJ55MCA4BA | | Number of Batteries | 4 AA batteries required. | | Recommended Uses For Product | remote controls, flashlights, toys, wireless computer devices, rc cars, digital camera flash units, game controllers and more Recommended Uses For Product remote controls, flashlights, toys, wireless computer devices, rc cars, digital camera flash units, game controllers and more See more | | Reusability | Rechargeable | | UPC | 073096902596 | | Voltage | 1.5 volts | | Warranty Description | This product is guaranteed to be free from defects in materials and workmanship | ## Product Details - **Battery Capacity:** 2000 milliampere_hour - **Battery Cell Composition:** NiMH - **Brand:** Eneloop - **Number of Batteries:** 4 AA batteries required. ## Images ![Eneloop Panasonic K-KJ55MCA4BA Advanced Individual Battery 3 Hour Quick Charger with 4 AA Rechargeable Batteries, White - Image 1](https://m.media-amazon.com/images/I/712k-NfFRsL.jpg) ## Available Options This product comes in different **Configuration, Size, Style** options. ## Questions & Answers **Q: What is the difference between the Panasonic K-KJ17KHCA4A Eneloop Pro vs the Panasonic K-KJ17MCA4BA? Which is a better choice to buy?** A: The pro cells hold about 25% more capacity under use before you have to charge it. That translates to longer run times for things like hiking GPS and high powered flashlights and wireless microphones in constant use. The trade off is that the pro cells don't retain a charge when stored which is good if you normally plan to drain the battery within a few days of charging it. In a TV or DVD remote control, the pro cells would have to be charged at least once every several months, where the regular cells will last for years without charging in remote controls that are not used daily. So far, I have never had an Eneloop battery ever leak, where I have had several expensive remote controls and headlamp LED's destroyed by leaking modern alkaline batteries. Modern alkaline batteries will often start leaking while still performing and still many years before the best used date has arrived. Modern warrantees for alkaline batteries only cover the battery that fails to perform, not the expensive device that was destroyed by the leaking alkaline battery. I have had several Duracell batteries start leaking while still unused in the original package stored in a cool dry place (basement) and still have a few years before the best used date has arrived. Today's alkaline batteries are junk. The standard Eneloop battery seems to be the most dependable battery I have ever found. They cost more, but the extra cost is worth it. Other brands of NiMH batteries I use often don't hold a charge in storage. The supposed lower voltage compared to alkaline is not the whole truth. Under extreme low power loads, alkaline battery voltage is higher, but under higher loads like cameras and flashlights, the alkaline battery voltage drops lower than NiMH battery within a second of the time the load is applied and then goes back up to resting voltage after the load is turned off. After an alkaline battery looses around 20% of its original charge, it is performing worse than a rechargeable NiMH battery and many devices like cameras can't take that drop in voltage. **Q: i just received the charger and i do not see any indicator lights on mine. anybody???** A: Just to update this - the chargers shipping now have hidden lights (unlike the product picture). To see them charger must be plugged in with batteries in place. NOTE: To clarify the paper comment - the batteries are shipped in the charger in the charging position. Before first use, remove all four batteries and you will find a small piece of cardboard paper at the top covering the positive charging contacts. This paper is to be discarded. Put the batteries back in position, plug in charger to working circuit and you will then see the now hidden lights under the white plastic "skin" below each battery. This is still true as of 11/2018. **Q: Do the Eneloop batteries require an Eneloop charger or can they be charged in other AA and AAA battery chargers?** A: The Sanyo/Panasonic eneloop cells can be recharged in any good-quality charger designed for NiMH batteries.For best battery lifespan, choose a 'smart' charger that has a charge time between 2 and 5 hours.Avoid slow, timer-based dumb charger that will over-charge your batteries, and 'ultra-fast' 30-minute chargers that will over-heat your batteries. **Q: Must you charge 4 batteries at a time OR can you charge, say 2 with 2 open slots?** A: The Panasonic BQ-CC17 can recharge 1, 2, 3 or 4 AA/AAA cells at once. You don't need to charge in pairs like in the case of old MQN06 charger. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Still the best in the business. *by T***S on February 28, 2026* 16 Pack Panasonic Eneloop Standard AA (2000mAh) – Real Tested Capacity. Quick Verdict: If you want reliable, consistent rechargeable AA batteries that actually meet (and exceed) their rating, these are still the industry gold standard for NiMH batteries. ✔ Real tested capacity: 2200–2300mAh ✔ Extremely consistent across all cells ✔ No true weak batteries found after verification These outperform most “high capacity” competitors in real-world use. Real Capacity Test Results Tested using an ISDT N8-Series Smart Charger at 0.7A (analysis mode): * Average range: 2200–2300mAh * Best result: 2291mAh * Consistency: Tight grouping across all tested cells * Internal Resistance: Stable and well within expected range (lower internal resistance means less voltage sag under heavy load and better performance in high drain devices). These are rated at 2000mAh, so exceeding that consistently is a big win. Important Testing Discovery (to me anyway): During testing, one battery in slot #6 appeared to be a weak outlier. Instead of assuming a bad cell, I verified it: Retest Process * Moved the “weak” battery from Slot #6 → Slot #1 * Put a different battery into Slot #6 * Retested both under identical conditions Results * Retested cell: 2291mAh / 173 mΩ (completely normal) * Different cell in Slot #6: 2220mAh / 191 mΩ What This Means The issue was NOT the battery. It was slot variance on the charger (Slot #6) causing: * Slightly lower capacity readings * Slightly higher internal resistance Why This Matters * Confirms excellent consistency across all Eneloop cells * Shows results are reliable and verified * Eliminates concern about defective units Real-World Performance In everyday use, this translates to: * 🔋 Long runtime in high-drain devices * 🎮 Perfect for controllers, cameras, flashes * 🔁 Consistent performance across sets (no mismatched cells) * True Low self-discharge (will hold charge for years) Pros ✔ Exceeds rated capacity across the board ✔ Extremely consistent performance ✔ Good internal resistance ✔ Long lifespan (Thousands of cycles) ✔ Ready-to-use (Most batteries will ship with a “storage charge” that can be anywhere from 40-70% depending on different countries regulations for battery shipping/fire safety reasons. Still usable right out of the package but for maximum run time charge before first use). Cons ✖ Higher upfront cost vs budget brands (that’s about it really). However, even with higher upfront cost the value is still excellent compared to single use disposable alkaline batteries. They will pay for themselves after a few recharges. 🏁 Final Verdict Eneloop batteries continue to set the standard. Even after deeper testing and verification: Every single cell performed exactly as it should. No gimmicks. No inflated capacity ratings as some of the cheaper Chinese made batteries tend to do. Just reliable, consistent performance. 100% Highly recommended if you care about consistency and longevity. “Made in Japan” absolutely makes a difference. The FDK factory in Japan makes the best NiMH rechargeable batteries you can buy. In my opinion they are worth the extra cost. Please Note: All NiMH rechargeable batteries have a break-in period when new. This is usually 3-5 full charge/discharge cycles (for premium Japanese made cells like Eneloop, Fujitsu, and Lada around 2 charge/discharge cycles). A good smart charger with an “Activation” or “Refresh” function can do this for you (it can take several hours) or it will happen over time as you use them normally. This just means that capacity and performance will increase after break-in. So don’t be disappointed if initially the capacity isn’t what is rated. Also because of the different battery chemistry compared to alkalines devices that display a battery/charge gauge may read that the batteries are low or half charged. This is because NimH batteries run an average of 1.2 Volts. Most devices are calibrated only for alkalines which run an average of 1.5 volts when new and steadily drop as they are drained. The device will read 1.2 volts and assume it’s an alkaline that’s half drained or low. Just be aware of this. If the device is giving a half full or low battery reading it doesn’t mean the rechargeable battery is low, dead, or defective. ### ⭐⭐⭐⭐⭐ The Batteries That Ended My AA Battery Panic *by M***L on October 9, 2026* If your house goes through batteries like mine does, Eneloops are one of the best investments you can make. Between toys, game controllers, remotes, cameras, and all the random gadgets that seem to need AA batteries, I was constantly buying replacements until I switched to these. The biggest selling point is that they're rechargeable and built to handle an incredible number of charge cycles. Instead of throwing away batteries every few weeks, I just recharge them and keep going. Over time, they've saved me a lot of money and a lot of trips to buy more batteries. Performance has been excellent. They hold their charge well, work reliably, and are always ready when I need them. The 16-pack is also a great size because I can keep devices running while another set is charging. These have become one of those purchases that quietly pay for themselves over and over again. Once you start using them, going back to disposable batteries feels like a downgrade. Verdict: Reliable, long-lasting, and worth every penny. If you're tired of constantly feeding batteries to toys, controllers, and household electronics, these absolutely understood the assignment. ### ⭐⭐⭐⭐⭐ Best AA Ni-MH rechargeable batteries on the market *by A***R on July 13, 2026* What I like They hold their charge well. Low self-discharge is the reason a charged spare can remain useful instead of becoming another battery that needs charging before use. They work across the house. I use them regularly in game controllers and broadly in AA-powered devices. They last for years in my rotation. I have been buying the line for about 12 years, adding another pack every three to five years. They arrive precharged. They can go into service immediately rather than making a new-battery purchase begin with a charging session. The 12-pack is a practical quantity. It is enough to feed several devices and maintain charged spares without buying an industrial-sized box. They can be analyzed and refreshed. When a cell seems weak, a capable charger can measure it and occasionally recover some useful performance. What annoys me I do not have a specific complaint from my years using them. They have done what I bought them to do, which is why I continue buying the same line. There are technical caveats. Eneloops are nominally 1.2V, while a fresh alkaline AA begins around 1.5V. Most AA devices tolerate that difference because alkaline voltage falls during use while NiMH voltage stays comparatively steady. Some devices with strict voltage requirements or poorly calibrated battery indicators may behave differently, and Panasonic specifically warns that certain waterproof or airtight devices may be unsuitable. It is also better to use matched cells together. Panasonic advises against mixing rechargeable and disposable batteries, or mixing cells of different brands, capacities, ages, and charge states in one device. If a controller uses two batteries, use two similarly charged Eneloops rather than one fresh rechargeable and one random alkaline from the drawer. Finally, “up to 2,100 cycles” is a standardized test result, not a promise that a household cell will survive 2,100 years of mistakes. Heat, over-discharge, charging behavior, storage, and device load all affect real life. Buy them because they are dependable rechargeable AAs, not because you expect to count to 2,100. Who they are for, and who should skip them Buy Eneloop AAs if your house regularly consumes AA batteries in controllers, remotes, lights, toys, radios, or similar devices. They make the most sense when you can keep a charger and a small battery rotation in one place. The more often you would otherwise buy disposable AAs, the easier the recommendation becomes. Skip them if you use so few AAs that a pack of alkalines lasts for years and you do not want to own a charger. Also check the device manual when equipment explicitly requires 1.5V cells, has an airtight battery compartment, or warns against NiMH chemistry. Verdict Panasonic Eneloop AAs have been my default rechargeable batteries for about 12 years. I buy another pack every few years, use them throughout the house, occasionally refresh a weak one, and otherwise do not have to think much about them. Grade: A. Buy the 12-pack if rechargeable AA batteries make sense in your house. ## Frequently Bought Together - Panasonic K-KJ55MCA4BA Advanced Individual Battery 3 Hour Quick Charger with 4 AA eneloop Rechargeable Batteries, White - Eneloop Panasonic BK-3MCCA4BA AA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries, 4-Battery Pack - Eneloop Panasonic BK-4MCCA8BA AAA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries, 8-Battery Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/31621764-eneloop-panasonic-k-kj55mca4ba-advanced-individual-battery-3-hour-quick](https://www.desertcart.tw/products/31621764-eneloop-panasonic-k-kj55mca4ba-advanced-individual-battery-3-hour-quick) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-31*