Quick Summary
This 12.8V 100Ah LiFePO4 lithium battery is a Group 31 battery with a built-in 100A BMS and low-temperature protection. It is presented as a 4S4P battery for solar systems, RV use, trolling motors, off-grid setups, and marine applications.
The battery is described as rechargeable in three ways: with a lithium iron phosphate charger, with a solar panel and controller, or with an alternator. It is also described as a drop-in replacement for lead-acid batteries.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Battery type | LiFePO4 lithium battery, which is the core battery chemistry to compare when matching a power setup. |
| Nominal voltage | 12.8V, which matters for system compatibility. |
| Capacity | 100Ah, a key figure for storage and runtime planning. |
| BMS | Built-in 100A BMS for overcharging, over-discharging, over-current, overheating, and short-circuit protection. |
| Form factor | Group 31, so the battery box and mounting space should match that size. |
| Dimensions | 12.9 x 6.69 x 8.5 inches, which helps confirm fit in the intended space. |
| Weight | 24 lbs, a useful check for handling and installation planning. |
| Series or parallel use | Can be connected in parallel and in series up to 4S or 4P. |
| Operating temperature | Charging range of 0 to 45°C and discharging range of -20 to 60°C. |
What to Compare Before Buying
- Voltage and system match: This battery is 12.8V, so compare it with the voltage required by your equipment or battery bank.
- Size and box fit: The stated Group 31 format and dimensions should be compared with the available battery compartment or box.
- Capacity: The 100Ah rating is the main figure to compare if you need more or less stored power.
- Charging setup: Compare your charger, solar controller, or alternator setup with the stated charging options.
- Expansion plan: If you intend to build a larger bank, check the stated 4S or 4P connection limit against your layout.
Compatibility, Size and Fit
The battery is described as a Group 31 size unit with overall dimensions of 12.9 x 6.69 x 8.5 inches. That makes physical fit an important check before purchase, especially if you are replacing an existing battery or placing it in a fixed battery box.
The 12.8V rating also matters for compatibility. Buyers should compare the battery voltage with the equipment or charging system they plan to use, and confirm that the intended setup matches the battery’s stated configuration.
What Else You May Need
The battery is described as rechargeable with a lithium iron phosphate charger, a solar panel with controller, or an alternator. If you do not already have one of those charging setups, you may need the matching charging equipment for your system.
Care, Cleaning and Storage
The battery is described as maintenance-free, with no acid refilling needed. That reduces routine ownership tasks compared with lead-acid batteries.
It also includes low-temperature protection and a stated operating temperature range, so storage and use should stay within the stated limits.
Before You Decide
Confirm the 12.8V rating, 100Ah capacity, and Group 31 size before choosing an offer. Also check the battery box dimensions, the charging method you plan to use, and whether the 4S or 4P expansion limit matches your setup.
For any power or charging setup, follow the manufacturer’s instructions for the exact battery and system components.
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