Our LiFePO4 battery has flat discharge curve hold above 12V for up to 95% of its capacity usage. Battery Management System protects it from overcharge, deep discharge, overloading, overheating, short circuit and excessive low self-discharge rate ensuring up to 1 year maintenance-free storage.The service life of LiFePO4 batteries is 8 to 10 times that of standard lead-acid batteries. Without memory effect, no matter what state the battery is, it can be used as soon as it is charged. The weight of the lithium iron phosphate battery is 30% lighter than the lead-acid battery of the same capacity which makes it the disputable choice for RVs, Marine and Off-Grid Applications when towing or mobility is in the consideration. Our lithium iron phosphate batteries can be used in the following areas which home energy storage system, UPS backup, lighting, digital/CCTV cameras, portable TV, e-Robot, electric vehicles, DIY loud speaker, 12.8V router, air pump, fish finder, golf car, trolling motor, motorhome/RV & camper, Houseboat, Travel Trailer, Dump Trailer and more. 1 pack 12V 200Ah LiFePO4 battery. Your satisfaction is our first priority! You have 30 days to return it from the date it was received. According to customer needs, we continue to innovate and produce in the electronic field for 15 years, with high quality and reasonable price. Our factory has got ISO9001 awarded. All produdts passed UL, CE, ROHS, REACH certification. We have committed to total quality management, complied with environmental protection and RoHS requirements in the battery product assembly line. But we couldn't replay to you in time in holiday of our country's, please pay a big patience. But we will try our best to replay in12 hours.