48V 50Ah LiFePO4 Battery - Bluetooth, Heating, Waterproof
The Epoch 48V 50Ah LiFePO₄ battery with internal cold-weather heating, Bluetooth monitoring, and IP67 waterproofing. Built-in smart BMS, free shipping to the lower 48, and backed by Epoch's manufacturer warranty.
The Epoch 48V 50Ah LiFePO₄ battery with internal cold-weather heating, Bluetooth monitoring, and IP67 waterproofing. Built-in smart BMS, free shipping to the lower 48, and backed by Epoch's manufacturer warranty.
- Safe LiFePO₄ Chemistry — stable lithium iron phosphate cells with a long, maintenance-free service life.
- Built-in Smart BMS — integrated management with over-charge, over-discharge, over-current, short-circuit, and high/low-temperature protection.
- Cold-Weather Heating — internal self-heating allows charging in sub-zero conditions.
- Bluetooth Monitoring — check state of charge, voltage, and battery health from the Epoch app for iOS and Android.
- IP67 Rugged & Waterproof — dust-tight and water-resistant for marine, RV, and outdoor service.
- Free Shipping — freight to the lower 48 is included — the price you see is the price you pay.
The Epoch B4850A is a 48V 50Ah lithium iron phosphate battery built for off-grid, backup, and RV power. It pairs Epoch's smart battery management with a rugged, maintenance-free pack, and ships free to the lower 48. Full specifications, the user manual, and safety documentation are available in the Documents section above. Order under model B4850A.