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The Redodo 12V 300Ah is a lithium iron phosphate deep-cycle battery rated at 3.84kWh, built as a drop-in upgrade for lead-acid banks in RVs, boats and off-grid power systems. It delivers 2560W of continuous output, so it can run a fridge, kettle and coffee maker together, and it recharges in about 5 hours at the recommended 60A. Its main draw against rivals is density: one 300Ah unit replaces three 100Ah lithium batteries or six 100Ah AGM batteries with less wiring and a large weight saving. Owners rate it highly, and the 5-year warranty and IP65 case back up the value case.
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Lowest price we've seen: $599.99 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
Owners rate it 4.9 out of 5 across 94 ratings, with most praise going to the capacity, the weight saving over AGM banks and the simple swap into an existing battery box.
The Redodo 12V 300Ah is a LiFePO4 (lithium iron phosphate) battery with a 3.84kWh capacity. It uses EV-grade LFP cells and is built in a Group 6D size battery box. It can replace six 12V 100Ah AGM batteries, with about 240Wh of extra energy (under 1C) and 300 lbs less weight. One 300Ah battery also replaces three 100Ah LiFePO4 batteries, with less space and weight and no extra wiring.
It delivers 2560W of continuous output. That can run a 1000W coffee maker, an 850W kettle and a 50W refrigerator at the same time. A 50W fridge can run for more than 76 hours on one battery.
A built-in BMS with more than 20 protections guards against overcharge, over-discharge, over-current, short circuit and high temperature. The recommended charge is 60A (0.2C) from solar, a generator, shore power or an alternator, which takes about 5 hours. The battery is IP65 waterproof and can be expanded for RV, marine and home backup systems.
