Multi-Use Batteries

LiFePO4 Lithium Battery for Off-Grid — Epoch & Amped Outdoors
The best LiFePO4 lithium battery for off-grid use delivers 3,000–5,000 charge cycles at 100% depth of discharge — 6–10x the usable lifespan of AGM alternatives at comparable price points when cycle cost is calculated. Our battery lineup covers Epoch Batteries and Amped Outdoors across 12V and 24V configurations from 80Ah to 460Ah.
The benchmark off-grid battery option is the Epoch 12V 460Ah V2-T Elite Series ($1,930) — 5.52 kWh per unit, built-in Bluetooth BMS for state-of-charge monitoring, and heat-assisted discharge rated for operation down to -4°F. For budget-conscious buyers comparing LiFePO4 battery options: the Epoch 12V 460Ah Essential Series ($1,315) delivers identical capacity without the Bluetooth BMS — the right call if you are using a separate system monitor. The Amped Outdoors 24V 80Ah ($877) is purpose-built for 24V inverter systems where fewer series connections simplify the installation.
Lithium battery buying guide — sizing your bank: 1 day of autonomy at 2kWh/day → two 12V 100Ah batteries in parallel. 3 days autonomy at 5kWh/day → four 12V 460Ah units (11kWh usable). 24V system → pair 12V units in series before paralleling banks. All Epoch batteries include a 10-year warranty and are UL 1973 certified for residential energy storage installations.