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This is a three-pack of LiTime's Group 31 lithium iron phosphate deep-cycle batteries with built-in Bluetooth. Each battery delivers 165Ah (about 2.1kWh) in a Group 31 footprint, weighs roughly 44.5 lbs, and pairs with the LiTime app for live state-of-charge, voltage and current readings. A 200A BMS supports heavy inverter loads, and low-temperature protection allows discharge down to -4°F. It suits RV, van and off-grid owners replacing lead-acid banks who want more usable capacity and lighter lifting; it is not a starter or golf cart battery.
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Lowest price we've seen: $679.99 on Nov 1 at Li Time; highest $1,338.85 on Nov 13. Tracked across 2 stores since Nov 1.
Owners rate it highly, praising the weight savings, the Group 31 fit and the live app readouts. A few mention Bluetooth dropouts and app quirks.
This is a 3-pack of LiTime 12V 165Ah Group 31 LiFePO4 (lithium iron phosphate) batteries with built-in Bluetooth. The Group 31 case is meant to fit in tight RV battery bays. The batteries are built for heavy, daily deep cycling.
Bluetooth 5.0 lets you check battery status in real time through the LiTime App. Low-temperature protection allows safe discharge at temperatures from -20°C (-4°F) and above. The batteries are rated IP65 for water and dust resistance.
Multiple batteries can be connected to expand a system, up to a 4P4S configuration. Do not use these batteries as a starter battery or a golf cart battery.

