【Built-In 200A BMS Protection】51.2V 120Ah Lithium Battery has Built-In 200A BMS (Battery Management System) to maintain the voltage of every cell and protect it from overcharge, over-discharge, overload, overheating and short circuit. It is also equipped with a temperature protection system, which is fearless of high and low temperatures, and can be used to charge and discharge the battery with peace of mind. 【Excellent Quality & Easy Installation】The maximum output power can reach 10.24kW, which is compatible with 48V golf carts of mainstream brands on the market. Equipped with a 58.4V 18A dedicated charger for 48V LiFePO4 Battery, please note that the charger will be shipped separately. 【Phone APP Module】Cxeny 48V golf cart batteries have built in mobile APP module. Users can scan the QR code to download the Electric APP and monitor the battery status through the APP. The APP mainly displays: battery voltage, current, capacity, temperature and other curves, charge and discharge switch control, SOC, battery voltage, charge and discharge current, protection status, basic parameters, etc. 【Touch Monitor with Adjustable Stand】This lithium iron phosphate battery is specially designed for 48V golf carts, features with touchscreen display with adjustable stand. The position of the display screen can be adjusted according to the height of your golf cart's driving position, making it easy to view various battery data information. 【Longer Service Life】It uses high-quality A-grade batteries, providing a cycle life of more than 8,000 times. A single charge can provide a one-way range of more than 100 miles for the golf cart. 【Robust Stainless Steel Housing】Unlike plastic-cased batteries on the market, our batteries are made of an exclusive custom-made high quality stainless steel casing, which is impact and wear resistant during use and dissipates heat better. Each battery pack is ensured to be insulated with epoxy plates to ensure safety while remaining as strong as new no matter how long it is used. 【Built-In 200A BMS Protection】51.2V 120Ah Lithium Battery has Built-In 200A BMS (Battery Management System) to maintain the voltage of every cell and protect it from overcharge, over-discharge, overload, overheating and short circuit. It is also equipped with a temperature protection system, which is fearless of high and low temperatures, and can be used to charge and discharge the battery with peace of mind.