The B-TEC ULTRA GEN3 delivers massive 200Ah capacity in a lightweight, waterproof (IP67) LiFePO4 battery. With built-in Bluetooth monitoring, advanced BMS protection, and up to 4,000 charge cycles, it’s perfect for caravans, 4WDs, boats, and off-grid power. Reliable, safe, and built for the toughest Aussie conditions.