The Roamer 340SMART5 is built for serious off-grid living. 340Ah in a compact case designed to fit under seats, in garages, and tight storage bays where larger batteries won't. Enough capacity for extended time off-grid with a big inverter, compressor fridge, induction cooking, and CPAP — all running at once.

5th-generation LiFePO4 cells, 300A BMS with active balancing, and full Victron GX integration as standard.

• 12V 340Ah — 4.35kWh usable capacity

• 300A continuous discharge — handles 3600W inverters

• Compact case: 386mm L x 206mm W x 278mm H

• Integrated Bluetooth via Roamer SMART app

• CANbus & RS485 — plug-and-play with Victron GX

• 2A Active Balancing BMS

• IP65 waterproof, serviceable case

• Low-temperature charge protection

• ECE R-10 certified

• 12-year manufacturer warranty

Matt has a trade account with Roamer. Buy-to-order — purchased from Roamer after your order is placed.