[Restore Disadvantage] VESTWOODS 12V 50Ah LiFePO4 battery has unique BMS to prevent damage to your battery. Such as short circuit, overloading, deep discharge, overheating and overcharge, and excessive low self-discharge rate.With 20A Max Charge and Discharge current, and a wide range of operation temperature. With UL 1642 and UN 38.3 certifications [Design Concept] VESTWOODS design for Lithium battery supply and demand for industrial-grade large-scale equipment. Serviced to National wind power generation and Golf course more than 200 projects. 12V 50Ah Lithium LiFePO4 battery service to every US customer like household, off grid, outdoor activities [Eco-friendly & Lightweight] 1? VESTWOODS 12V 50Ah LiFePO4 battery is 12 pounds, only 1/6 of a 12V 100Ah lead acid battery; 2? VESTWOODS green battery and does not contain any toxic metals, heavy metals or even rare metals, and the composition meets the standard. 12-24 hours online help solve problems. Wire Gauge: 10AWG Connection Method:NO SUPPORT Parallel/Series Dimensions: L5.66 W8.85 H7.16 inch Weight: 12 lbs. Please allow 1-2 weeks for your return to be processed. Discounted items are not eligible for a return. All goods will be inspected on return. This item is in the category "Consumer Electronics\Multipurpose Batteries & Power\Rechargeable Batteries". The seller is "hi5wholesale2016" and is located in this country: US. This item can be shipped to United States.