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The Redodo 12V 100Ah is a Group 31 lithium iron phosphate battery with a built-in 100A smart BMS and Bluetooth. You can read state of charge, current and cell data and switch the battery on or off from a phone app, which most lead-acid drop-ins and many budget LiFePO4 packs cannot do. The BMS adds low-temperature charge cutoff and the case is treated for humidity, salt spray and corrosion, so it suits boat, fishing and outdoor use. It scales to four batteries in series and four in parallel for larger 12V, 24V, 48V banks. Against premium Bluetooth rivals it gives up heated charging and some app polish, but it covers the core monitoring and protection features at a lower tier of the market.
In stockSold by RedodopowerReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners like the app readout and the reliable low-temperature cutoff, and many use it as a straight lead-acid replacement in boats and RVs. Complaints center on Bluetooth dropouts and app quirks rather than the cells themselves.
This is a 12V 100Ah lithium iron phosphate (LiFePO4) battery in the Group 31 size. It has a built-in smart battery management system (BMS) with Bluetooth, so the battery can be monitored and controlled remotely from a phone app.
The BMS is upgraded for humid, salt spray and corrosion-prone conditions, and it includes a low-temperature cut-off function. The battery is designed for fishing, boating and other outdoor use. It can be expanded in a battery bank of up to 4P4S, meaning up to 4 batteries in parallel and 4 in series.














