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✅【Key Features】 ① The electric bike battery with battery base that will fit for most bike frame. ② Lock with keys securely locks the mount on bike frame, prevents the battery from being stolen. ③ With on/off button, save more power. ④ Lighted battery LED power Indicator, inform you charge your battery on time. ⑤ Each pack have ran through a full charge and discharge test in produce, make sure you getting every amp hour you paid for. ✅【 ≥80% Capacity After 800 Cycles】 UPP has implemented a strict high quality management policy: Every Lithium battery have pass the QC appearance and function test before shipment. The E-bike battery charge cycle exceeds 1000 times, life expectancy of up to 5 years. ✅【One month free Return/ 2 Years Warranty/ Lifetime Technical Support】 If your product damaged within 1 year, we offer free repair service in USA, if the battery can't repaired, we will send new one to you for free. If your product damaged within 2 years, we offer repair service . Any problem, please contact seller for help. Long service life, up to 5 years The Ebike lithium-ion battery is made of high-quality batteries and 20A / 30A BMS protection plates to protect lithium-ion batteries from extreme temperatures, overcharging and over-discharging. Six-fold protection free The lithium battery uses a high-efficiency BMS intelligent protection chip, which provides six-fold protection for the battery, which is safer and has a longer service life. Wide adaptability The Lithium Battery Pack is the best choice for adult Electric Bike, Mountain Bike, Fat Tire Electric Bikes, Snow Mountain E-bikes, Beach Mountain E-bikes, City Commuter Electric Bicycle, commute ebike. Equipped with a 5-pin battery base The electric bike battery pack has a 5-pin battery base, will fit for most bike frame. it's easy to remove and charge at home or bike. Lithium Battery Features: • Longer battery life, the life expectancy is two times that of lead-acid batteries.• Rechargeable and no memory effect.• The weight is more lighter than other batteries.• Smaller dimensions and can be customized.• Safer and more environmentally friendly, No heavy metals and hazardous substances.• BMS built-in IC chip will prevent battery pack over charge, over discharge, over-current, over-heat, short circuit. Working Temperature: • Charging:0°C~45°C• Discharging:-20°C~65°C• Storage:0°C~30°C ''Unit Pack Power'' assemble all our batteries in our factory, Professional imported machine spot welding, neat electric welding, cleverly designed the routing direction. Good welding process. We accept customized and bulk orders. Thanks! Type 48V 13AH 52V 13AH Suitable for 48V 0-1000W motor 48V/52V 0-1200W motor Nominal Voltage 48V 52V Rated Capacity 13Ah 13Ah Battery Cell Top A Grade 2500mAh Cell Top A Grade 2500mAh Cell Max Constant Discharge Current 30A (BMS) 30A (BMS) Charger 54.6V 2A US Plug 58.8V 2A US Plug Discharge Connector Anderson Anderson Cell Size (L*W*T ) 370*90*110 mm(14.57*3.54*4.33 inch) BATTERY SPECIFICTION: > Retention of Charge (store in one month) : ≥95% Rated > Battery Resistance : ≤ 100mΩ > Way of Charge : CC/CV(Constant Current；Constant Voltage) > Standard Charge Current : 2A > Maximum Charge Current: 3A > Cycle Life : ≥800 Cycles with DOD 80% > Short Circuit Safety Test √ Overcharge SafetyTest√ Crush Safety Test √ Needing Safety Test √ Extrusion Safety Test√ KINDLY NOTE: > Due to manual measurement, the size will have an error of 1-3mm.> Standard lithium battery charger must be used.> Prohibit large current discharge.> Do not remove or short circuit the battery which is most likely to cause short circuit.> Please carefully check the battery fit range and size before buying to avoid unnecessary returns.> Our batteries are suitable for most motor kits, such as Bafang, Voilamart, CSC, Tongsheng and Ebikling, but not including BOSCH, SHIMANO, YAMAHA and Panasonic. PACKAGE INCLUDE > 1x Battery> 1x Parts and Keys> 1x Charger> 1x AC Power Cable (US Plug)> 1x Base Mount (Usually it has been locked under the battery when you receive it) Why choose our Unit Pack Power battery : > Factory directly store: 10 year battery packing experience, from 24V, 36V 48V 52V 60V 72V to DIY Voltage/Size, all we can make it for you, Mature production technology, and filter the high consistency cells, we know how to make a reliable and safe battery for customers. > Battery quality: There are Grade A B C level battery, Unit Pack Power only use grade A cell for battery, safest packing process, never use cheap / false cells with false capacity / low price to attract buyers. price = quality = customer's service, you want to get a long range / long life / safe battery for your bike, or want to get a unknown cells battery back your home? > After-sale service: 2 years warranty. Unit Pack Power batteries have insured to International Insurance, rest assured to buy. Unit Pack Power assemble ALL our batteries in our factory, Professional imported machine spot welding, neat electric welding, cleverly designed the routing direction. Good welding process. Q: What type of this electric bike battery? A: It is li ion battery, Chemical is Li(NiCoMn)O2. Q: What is the difference between li ion battery, NI-MH battery and Lead acid battery? A: E-bike Li-ion battery have longer cycle life, normal cycle life is 800-1000 times, and also with light weight, small size, No memory effect, Nontoxic, environmental friendly. Q: What's temperature range of charge and discharge? A: Charge Temperature: 0 to 45°C and Discharge Temperature: -20 to 65°C Q: What kind of cells used on this electric bicycle battery? A: Different capacity with different cells, we make the battery with original A grade Brand and high quality domestic cells, all can be customized as your requests. Q: Do your e-bike battery come with charger? A: All of our e-bike batteries come with charger. Q: Do your electric bike batteries come with BMS? A: Yes, Our batteries all with SEIKO IC BMS, with stable performance.Which can protect the battery avoid short circuit, Overcharged, Over discharge and Over current.