LiFePO4 Timeusb battery 12.8V 140Ah Type: lithium iron phosphate (LiFePO₄) Nominal voltage: 12.8 V Capacity: 140 Ah Energy: 1792 Wh BMS: built-in, 50 A (protection against overcharge, overdischarge, short circuit and overheating) Dimensions: 330 × 172 × 216 mm Charge / discharge cycles: up to 4000+ (depending on operating conditions) Weight: about 12-13 kg Features: High stability and safety compared to conventional lithium-ion Can be connected in parallel and series (usually up to 4 pcs. in series - up to 51.2 V) Almost does not lose capacity during storage Suitable for solar systems, campers, boats, UPS and autonomous power supply Example of use: Solar power plants (home and portable) Autonomous power supply for campers, trailers, yachts Replacement of 12V lead-acid batteries Uninterruptible power supplies