48V 50-300Ah Waterproof LiFePO4 Battery Deep Cycle for Boat Fishing Motor RV Sol
You will find that this LiFePO4 battery holds its charge well without any fuss or extra work.
26
jul
26
jul
24V Rechargeable Power System for Solar Backup and Energy Storage
A nice touch is the long life you get from the LiFePO4 cells without complicated upkeep.