Compared across 4 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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A 12 V 400 Ah lithium iron phosphate battery built for deep-cycle storage in off-grid, marine and RV systems. It stores roughly 5.1 kWh and is rated for a 400 A maximum discharge, so it can run large inverters without a big bank of smaller batteries. LiFePO4 chemistry gives it a long cycle life and stable voltage compared with lead-acid, and it weighs far less than an equivalent AGM bank. It suits owners who want a compact, maintenance-free house bank and are prepared to pay more up front than for flooded or AGM batteries.
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Lowest price we've seen: $1,890.12 on Nov 13 at TWIST. Tracked across 4 stores since Nov 13.
Owners of Renogy LiFePO4 batteries generally report steady voltage under load and a long service life, and many praise the drop-in fit for off-grid and RV systems. Complaints tend to center on the price and on chargers or solar controllers that need reconfiguring for lithium.
This is a 12 V lithium iron phosphate (LiFePO4) battery from Renogy. It has a capacity of 400 Ah.
