48V 25Ah Lithium li-lon battery: 48V 25Ah Lithium Battery pack is made of 13pcs of 25000mAh Lithium Cells One Special 13 cells PCB with balance function is installed with battery pack to protect battery from over charging, over discharging and over drain Voltage : 48V Capacity: 25Ah Cut-off voltage: 35V Max. discharging current: 100 Amp Max Continuous Discharging Amperage: 50Amps Charging Voltage: 54.6 Volts Operation temperature:-20°C~60°C Lifecycle: > 85% capacity after 1000 cycles. Lifecycle of single cell: >85% capacity after 1000 cycles,> 70% capacity after 1200 cycles. (<1C discharge rate and <1C charge rate) Dimensions: 120*140*240mm/4.7*5.5*9.5in Weight: about 7.18Kg/15.83LB 48V 3A Charger for This Battery Pack Output: 54.6V 5A;Input:110v/AC/50HZ It takes 5-6 hours when the battery is charged fully Red light indicates charging, green light indicates full or disconnected It is forbidden to cover and rain during use Anderson plug came with New battery. It is more convenient to charge Please read the specification before using the battery pack. Package Includes 1 x 48V 25AH Lithium Li-lon Battery Pack 1 x 48V 5A Charger 1 x 13S Cell 48v 30A BMS (BMS is built in the battery pack) 2 x Anderson plug(discharge) 1 x Three-hole charging plug 1 x Operating instruction Features The Li-ion battery are our lightest batteries - at half the weight of lead-acid batteries, The Li-ion batteries are lower-cost and lighter weight than our 10ah Aluminum Case batteries The lithium battery is lighter and cheaper compared with an equivalent battery They are nontoxic to the environment, stable, and have the greatest chargedensity to weight ratio of any battery available It is safe, not combust or catch fire Shipping All products will be shipped within 1 working day upon payment cleared All items will be shipped to buy's paypal address. Please check your paypal address correctly. Send by FedEx Ground Delivery time:3-5 working days free shipping.