Battery Parameter*Rated Voltage: 48V*Charge Cut off Voltage :54.6V*Capacity (amp hours) : 15Ah/15000mAh*Battery Size:12*7.5*3.6inch inch*Configuration:13Series5ParallelBMS Protection Detail *Built in 30Amp Automatic Battery Management System*Function: Overcharge protection over-discharge protection over current short circuit protection*Depth of Discharge : 100% DOD*Service Life: Over 2000 timesPACKAGE LIST:*1 x 48V 15Ah Battery Pack*1 x BMS (built in battery pack)*1 x XT60 Plug*1 x 54.6V 2A Charger*1X water-proof triangle battery caseWhy choose our lithium ion battery？🔋Our batteries are made of high performance stable low internal resistance cells . Automotive grade fixed bracket anti-vibration and heat dissipation high purity welded nickel sheet more balanced discharge.🔋We have modern standard workshop complete production equipment strict quality control professional technical team and supporting after-sales service.🔋We continue to pursue battery technology innovation focusing on the development and research of lithium batteries for electric vehicles to meet the individual needs of more customers.Warning1.To ensure proper use of the battery please read the manual carefully before using it.2.In case of problems it is strictly forbidden to disassemble the battery privately to avoid danger and should contact our company in time to deal with it.Handling1.Do not expose to dispose of the battery in fire.2.Do not put the battery in a charger or equipment with wrong terminals connected.3.Avoid shorting the battery.4.Avoid excessive physical shock or vibration.5.Do not disassemble or deform the battery.6.Do not immerse in water.7.Do not use the battery mixed with other different make type or model batteries.8.Battery must be charged in appropriate charger only.