What are the dimensions of each of the sizes offered?

From Amazon: Product Dimensions 24.5 x 12.5 x 13 inches Item model number HM408 NOCO has a spec sheet available on their website.

I have an ebike with an 18 inch long lithium battery. Would it be safe to store in this box?

This box will not withstand a lithium battery fire. It is recommended to store the batter in a flame retardant box (metal cabinet) or bag. Also do not store the battery fully charged if you can avoid it ( chargers have a storage mode). Anyway the most important things is to never leave it unattended when charging

4D box; 13 x 13 x 13.5 inches is what they list for dimension. Is that right? I need to know what the length and width are at the bottom mount plate?

Internal and external dimension diagrams are detailed on the product page here: https://no.co/hm408

Do you see a box for two 4D batteries?

I wasn't looking for 4D battery boxes so I don't know. Sorry

Noco Hm408 4d Commercial Grade Battery Box

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up with confidence — the ultimate fortress for your 4D battery!

HEAVY DUTY CABLE ACCESS - Large entry holes accommodate thick gauge cables for high-performance setups.
CERTIFIED SAFETY COMPLIANCE - Meets USCG and ABYC standards for marine and commercial battery safety.
OPTIMIZED VENTILATION SYSTEM - Full flow vents release harmful battery gases safely, protecting your gear and crew.
SECURE FOUR CORNER FASTENING - Ensures rock-solid installation and prevents lid loss during transit.
RUGGED COMMERCIAL GRADE BUILD - Engineered to endure harsh environments from marine to RV applications.

The NOCO HM408 4D Commercial-Grade Battery Box is a rugged, impact-resistant enclosure designed to securely house group 4D batteries in demanding environments. Featuring a four corner fastening system, captive lid, large cable entry points, and full flow ventilation, it protects against acid spills, water ingress, UV exposure, and extreme temperatures down to -40°F. Certified to USCG and ABYC standards, it’s ideal for marine, RV, trailer, and commercial equipment applications.

Specifications

ASIN	B002WCUR0M
Best Sellers Rank	#287,327 in Automotive ( See Top 100 in Automotive ) #234 in Automotive Replacement Battery Trays
Brand	NOCO
Customer Reviews	4.6 4.6 out of 5 stars (203)
Date First Available	June 29, 2004
Is Discontinued By Manufacturer	No
Item Weight	7.7 pounds
Item model number	HM408
Manufacturer	NOCO
Manufacturer Part Number	HM408
Model	HM408
Product Dimensions	24.7 x 9.6 x 14 inches
Special Features	Battery Box for 4D Batteries, Captive Lid Hold-Down, Four Corner Fastening System, Full Flow Ventilation
Voltage	12 Volts

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NT$15373

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Taiwan.

Secure transaction

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