Gotta say thats a good price for a LifePo Lithium 100ah battery £400. Plus £10 off with a voucher.
uk.eco-worthy.com

12V 100Ah LiFePO4 Lithium Battery | Deep Cycle & 10-Year Life
ECO-WORTHY 12V 100AH LiFePO4 Lithium Battery with Bluetooth,Low Temperature Protection,Max.1280Wh Energy, Group 24, Built-in 100A BMS, Perfect for Trolling Motor, RV, Boat, Solar Off-Grid
