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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Description

🔋 Power up with confidence—your battery’s ultimate fortress!

CERTIFIED CONFIDENCE - Meets USCG and ABYC standards, ensuring top-tier safety and reliability for your high-stakes adventures.
ROCK SOLID DURABILITY - Impact-resistant down to -40°F and immune to UV, acid, gas, and oil—ready for any rugged environment.
EFFORTLESS INSTALLATION - Four corner fastening and captive lid system make setup quick and secure, saving you time and hassle.
BUILT FOR THE BIG LEAGUES - Commercial-grade design tailored for heavy-duty 4D batteries powering your marine, RV, or commercial gear.
BREATHE EASY BATTERY SAFE - Full flow ventilation releases harmful gases while the acid reservoir and water barrier protect your investment.

The NOCO HM408 4D Commercial-Grade Battery Box is a rugged, certified storage solution designed to protect and ventilate large 4D batteries in marine, RV, and commercial applications. Featuring a four corner fastening system, captive lid, full flow ventilation, and acid reservoir, it withstands extreme temperatures and harsh contaminants, ensuring safe, durable battery housing for professionals who demand reliability.

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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€ 564.44

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered 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 GERMANY.

Secure transaction

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