The Enerdrive B-TEC 12V 200Ah LiFePO4 Slim Battery in Metal Case is a slimline 12 V, 200 Ah lithium-iron-phosphate battery from Enerdrive, built for deep-cycle use where a single high-capacity battery is needed. Its slim shape, measuring 530 x 83 x 600 mm, suits camper trailers, 4WD auxiliary battery positions, caravans, small watercraft and low-power communication sites. The battery is rated for more than 2500 charge cycles at 80 percent depth of discharge and includes Bluetooth monitoring through a phone app, so you can check its status from a distance. A built-in reset button makes restarting a flat battery straightforward, and it can be remotely mounted elsewhere in the install to keep the battery itself better sealed against water ingress. Compared with an equivalent lead-acid battery, the B-TEC provides around 60 percent more usable power while being close to 50 percent lighter and 30 percent smaller. A water-resistant metal casing meets an IP52 rating, with blind external bolts, rubber seals and overlapping frames to limit water entry, and both comms ports are RJ45 with CAN output.