Certifications UN 38.3; CE; UL 1973 ·Flammability: Flame Rating UL94 V-0, 5VA ·10-year Life & 3000+ Cycles: Eco-Worthy's 100ah LiFePO4 battery contains 3000+ cycle times, each lithium battery can run for more than 10 years, which is equivalent to 3 lead-acid batteries. ·High Charging Speed: Eco-Worthy's 100ah LiFePO4 battery can reach 80% of power after one-hour charge, Under the same condition, the lead acid battery can only reach 20%. In the case of limited charging time, choosing a lithium battery can get enough energy faster. ·Lightweight & Easy Installation: Eco-Worthy's 100ah LiFePO4 battery is lighter than Lead-Acid battery with the same capacity. Our 100ah LiFePO4 battery weight is 22.93 lbs, only 1/3 of Lead-Acid battery. More convenient carrying, any mount directions, no leakage risk, safer usage. ·Capacity Expansion: Eco-Worthy's 100ah LiFePO4 battery can be connected in parallel and in series for larger capacity and voltage. Up to 4 identical batteries can be mounted as a series string as a 48V battery bank, and you can connect multiple batteries in parallel, while we suggest no more than 4pcs. ·Multiple Applications: Eco-Worthy's 100ah LiFePO4 lithium battery is perfect for UPS backup, lighting, TV, e-Robot, loud speaker, coffee maker, air conditioner, fridge, heater, etc.