TWV 12V 300Ah LiFePO4 5000+ Deep Cycle Rechargeable Battery With 200A BMS Perfect for RV Solar MarineTrolling Motor Off-Grid etc. 3840Wh Capacity, 3000W Output Features New Upgrade Upgraded TWV 12V 300Ah LiFePO4 battery has the same size as the normal 200Ah which is 20.5(L)*8.6(W)*9.4(H) inch, but the capacity has been increased by 100Ah, with a high power of 3840Wh, and the energy density is as high as 65Wh/lb (3840Wh/59lb=65Wh/lb). Power supply is worry-free. 1 Year Warranty Our LiFePO4 batteries come with a 1 year warranty. We will analyse customer problems within 24 hours, help solve problems encountered by customer service, respond quickly and solve problems in time. Superior Battery Performance 300Ah Lithium battery has no memory effect, overcharge, over discharge, over current, short circuit protection and excellent charge retention ability function, which can keep the LiFePO4 battery fully powered and running smoothly, super superior battery stability performance, you deserve it! Safety Upgrade The lithium battery case is made of high-hardness, high-level waterproof grade IP65, wear-resistant and waterproof, with a built-in 200A protection plate to ensure that your trip to the sea can be carried out smoothly. Environmentally Friendly LiFePO4 is a green energy storage battery (cannot be used as a starter battery), does not contain any heavy metals and rare metals, and has better environmental performance. Can be used in various applications, such as: Solar Home System, Camping, RV, Marine, Off-Grid. Warnings Never reverse connection of positive and negative electrodes of battery Never hit or throw, step on the battery Never use metal to directly connect the positive and negative terminals of the battery Never directly solder the battery or pierce the battery with nail or other sharp objects Never immerse the battery into water Do not use as a car starter battery, jump starter, or engine starter battery Do not use or place the battery at high temperatures, otherwise it will overheat,fire,or malfunction,shortened life. Highly Recommend LiFePO4 (Lithium Iron Phosphate) battery 10A charger! Fit this 300Ah battery perfectly! On sale in our ebay store! Really good value for money! Click Here!!! Package Include 1 x 12V 300Ah LiFePO4 Battery 2 x Terminal Screws 1 x Manual Q & A Q: Can the battery be installed horizontally? A: Yes, the lithium iron battery is free from lead-acid battery safety issues such as battery leakage and battery corrosion, so it is perfectly fine to place the lithium batteries in any position. Q: Do I need to buy a special charger to charge this battery? A: You can use an AC-to-DC lead-acid charger that is mains powered, as charging efficiency and duration are less of a concern, it can not have automatic desulfation or equalization modes. If so, do not use it as there is a risk of damage the cells / the battery. This can significantly shorted the life of the battery. If it has a simple bulk /absorption / trickle charge profile, it can be used to charge the battery but must be disconnected after charging and not left in trickle charge / maintenance mode. Q: When I receive this lithium battery, will it have enough power to use it right away? A: Our lithium battery has 30% factory capacity, which can guarantee your basic usage at the moment. If you run out of 30% of power, you can use solar panels or utility power to recharge your lithium battery.