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MARSENERGY 12V 100Ah LiFePO4 Battery, BCI Group 24, 100A BMS

$209.99 (Price correct as of 10/30/2026 17:12 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The MARSENERGY 12V 100Ah LiFePO4 battery is a BCI Group 24 lithium battery with a 100A BMS. It lists 10.16 x 8.46 x 6.54 inch dimensions and a 21 lb weight, so size and space are the main checks before choosing it for a replacement or new setup.

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Quick Summary

The MARSENERGY 12V 100Ah LiFePO4 battery is a BCI Group 24-size lithium battery with a 100A BMS. It is presented as a deep-cycle battery for buyers who need a 12V battery in a Group 24 format.

The stated dimensions are 10.16 x 8.46 x 6.54 inches, and the listed weight is 21 lb. Those details matter if you are replacing an existing battery or checking whether a battery box has enough space for the Group 24 size.

Key Details

Detail Product information and buyer relevance
Brand MARSENERGY, the product line named for this battery.
Battery type 12V 100Ah LiFePO4 lithium battery for buyers comparing lithium deep-cycle options.
Size BCI Group 24 size, which is important for box fit and replacement matching.
Dimensions 10.16 x 8.46 x 6.54 inches, useful for checking physical clearance.
Weight 21 lb, which affects handling and installation planning.
BMS 100A BMS, a key check for the battery’s built-in management rating.

What to Compare Before Buying

  • Size: This battery is listed as BCI Group 24. Compare that size with your battery tray or box before choosing an offer.
  • Dimensions: The stated footprint is 10.16 x 8.46 x 6.54 inches. Check the available space in your setup, especially if your compartment is tight.
  • Weight: The listed weight is 21 lb. Compare that with what you want to handle or lift into place.
  • BMS rating: The battery includes a 100A BMS. Make sure that rating matches the way you plan to use the battery.

Choosing the Correct Version

This battery is the Group 24 version, so the main purchase check is the size you need. If you are replacing an older battery, confirm the Group 24 fit and the listed dimensions before you choose an offer.

Before You Decide

Confirm the Group 24 size, the 10.16 x 8.46 x 6.54 inch dimensions, and the 100A BMS rating before choosing. If the battery will replace an older unit, match the space and connection needs to your existing setup.

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