---
product_id: 444508809
title: "Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755"
brand: "adafruit"
price: "NT$39"
currency: TWD
in_stock: true
reviews_count: 1
url: https://www.desertcart.tw/products/444508809-universal-usb-dc-solar-lithium-ion-polymer-charger-bq24074-adafruit
store_origin: TW
region: Taiwan
---

# 5-10V DC & USB charging 3.7V/4.2V compatibility Solar panel ready Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755

**Brand:** adafruit
**Price:** NT$39
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Life with Versatile Charging Solutions!

## Quick Answers

- **What is this?** Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 by adafruit
- **How much does it cost?** NT$39 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/444508809-universal-usb-dc-solar-lithium-ion-polymer-charger-bq24074-adafruit)

## Best For

- adafruit enthusiasts

## Why This Product

- Trusted adafruit brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Efficiency:** Automatic current tracking maximizes solar panel output.
- • **Eco-Friendly Power:** Harness the sun's energy with 6-10V solar panel compatibility.
- • **Dual Indicator LEDs:** Stay informed with power and charging status at a glance.
- • **Charge Anywhere, Anytime:** Versatile charging options with USB, DC, or solar power.
- • **Simultaneous Connections:** Charge via USB and DC simultaneously for ultimate convenience.

## Overview

The Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 is a cutting-edge charging solution that supports 3.7V/4.2V Lithium Ion or Lithium Polymer batteries. It offers multiple charging options including USB, DC, and solar power, ensuring you can charge your devices anytime, anywhere. With features like automatic charging current tracking and dual indicator LEDs, this charger is designed for efficiency and ease of use.

## Description

This charger is the only one you need to keep all your Lithium Polymer (LiPoly) or Lithium Ion (LiIon) rechargeable batteries topped up. No matter the power source at your disposal! The Adafruit Universal USB / DC / Solar Lithium Ion/Polymer Charger can use USB, DC or Solar power, with a wide 5-10V input voltage range! The charger chip is super smart, and will reduce the current draw if the input voltage starts to dip under 4.5V, making it a perfect near-MPPT solar charger that you can use with a wide range of panels. Even though we designed it with solar in mind, it's also great as a plain USB or DC charger - we like that you can use 5V or 9V chargers without worry, and the high charge rate is great for quickly charging up those large battery packs! Compared to our earlier, MCP73871-based charger this universal charger has some nice improvements: USB Type C port for modern computers and chargers Up to 1.5A charge rate Up to 10V input voltage, 28V protected Load output is regulated to never be over 4.4V so it's safe for 3.3V regulators or 5V boost converters No stabilization capacitor needed (although you can add one if you like!) Same load sharing so that DC/USB/Solar is prioritized over battery power when available, to keep the battery from cycling Power Good LED lets you know that the charger is working Less expensive However... The max load current is 1.5A instead of 1.8A There is no 'Done' LED - when the CHG LED turns off, thats how you know charging is complete This charger is a breeze to use for solar projects: pick up any of our many 3.7V/4.2V LiIon batteries, and a 6V solar panel. Plug the battery into the BATT port using a 2-pin JST cable and the solar panel into the DC jack using a 2.1mm adapter cable Put the solar panel outside (and keep the battery out of the sun, it needs to be kept cool!) to start charging. You can power another project at the same time by connecting to the LOAD output port, which will never go above 4.4V.

## Features

- 3.7V/4.2V Lithium Ion or Lithium Polymer battery charger
- Charge with 5-10V DC, USB or 6-10V solar panel, can have both USB and DC plugged in at the same time, higher voltage source will be used.
- Automatic charging current tracking for high efficiency use of any wattage solar panel
- Use any 6-10V solar panel
- Two color indicator LEDs - Power good and Charging

## Product Details

- **Brand:** Adafruit
- **Output Voltage:** 5 Volts
- **Input Voltage:** 10 Volts
- **Current Rating:** 1.5 Amps, 1.8 Amps
- **UPC:** 642613767682

## Images

![Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 - Image 1](https://m.media-amazon.com/images/I/71kMPGQ-45L.jpg)
![Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 - Image 2](https://m.media-amazon.com/images/I/71sSgQGvmEL.jpg)
![Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 - Image 3](https://m.media-amazon.com/images/I/61w8Yh2V-3L.jpg)
![Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 - Image 4](https://m.media-amazon.com/images/I/6184ac5DyPL.jpg)
![Universal USB/DC/Solar Lithium Ion/Polymer Charger - bq24074 Adafruit 4755 - Image 5](https://m.media-amazon.com/images/I/71Gz1oiPboL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great with my ESP32 and Raspberry Pi Zero 2 W boards.
*by W***E on March 12, 2024*

Works great with my ESP32 and Raspberry Pi Zero 2 W boards.

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**Shop now:** [https://www.desertcart.tw/products/444508809-universal-usb-dc-solar-lithium-ion-polymer-charger-bq24074-adafruit](https://www.desertcart.tw/products/444508809-universal-usb-dc-solar-lithium-ion-polymer-charger-bq24074-adafruit)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-18*