UPP Great Quality Rechargeable 36V E-Bike Seat Post Lithium Ion Battery 36V 10.4Ah With 42V 2A Charger for 500W 350W 250W Motor Product features and advantages: Materials: 1.The battery pack used high quality Cells, long runtime, deep discharge recover, extended service life and superb performance. This Li-ion battery pack,It has a great cycle life: 800-1000 Cycles with DOD 80%, no acid (No spill or leak problems) 2. with high quality in-built BMS, protect the battery fromshort circuit,overcharged,over discharge and Over current. 3. Waterproof and Solid plastic Case, can be mounted in most positions, it resists vibration, shock, and is small and lightweight. Additional functions: 1. convenient charge port 2. LED power dispaly 3. Safe Lock for safe lock iton the bike. Electric BicycleBattery Specifications: Model:S042Seat Poststyle Li-ion E-bike Battery Nominal Voltage and Rated Capacity: 36Volt 10.4Ah Watt Hours: 374.4Wh Configuration : 10Series 4Parallels 10S 4P Cells: Brand 18650 Cells BMS: 20 Amp max continuous and 60±10Amp max peak current Fit for Motor:36V 200W 250W 00W 350W 450W 500W Motors Charge Current: 2-3 A Charge Cut-off Voltage: 42V Discharge Cut-off Voltage: 28-30 V Battery Dimension: 180*120*90mm (as below picture) Battery NetWeight: 3.1kg Packing Listincluded: 1 x Lithium Battery Built-in cells and BMS 1 x Mount Base, with 25CM discharge naked cable, or soldered default dischargeconnector 2 x keys 1 x 42V 2ACharger With ACplug Charger plugs andDischargeconnectors optional: 1.Charger Plug: US EU UK AU plugsoptional, will provide according to delivery country if without requested. 2. Discharge Connector:There are 8 kinds optional as below picture, will provide naked cable or soldered with default connector if without requested. Ebike Battery Pictures: Shipping Ways Guarantee We provide 1 year warranty for all electric bike batteries. Any battery with quality problem in o n e month we can return the money after you provide the proof. After one month we can send BMS or cells to you for repair,or you can send it back to repair as well. All our electric bicycle batteries with high quality cells and BMS, and they will be 100% tested before shipping. Topbrand lithium battery manufacturer in China, rest assured to buy. We don't supply warranty service for the following situation : The battery goes over water The battery is broken man-made The cells are burnt out after using . Return the battery without reason Open a case without contacting us Feedback Our battery can fit all motor kit, but exclude these four : Bosch, SHIMANO, Yamaha, Panasonic . Please contact us, If you can't conifrm your motor. If you have any problems please feel free to contact us BEFORE you leave negative feedback or file a case. Any problem is not a problem, as long as you contact us. Your satisfaction and positive feedback is very important to us. Please kindlyleave positive feedback and 5 Starsfor us if you are satisfied with our items and services. Company Information: FAQ 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 Samsung,Panasonic,Sanyo,LG 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.We have normal charger and fast charger.If you need fast charger please contact with us. 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. Q: Can you provide OEM and ODM service? A: Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality E-bike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory. 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. 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 . Warnings Do not immerse the battery in water or seawater, keep the battery stands by in a cool dry surrounding. Does not use or leave the battery near a heat source as fire or heater. Use the battery charger specifically for that purpose when recharging. Do not reverse the position and negative terminals. Do not connect the battery electrodes to an electrical outlet. Do not discard the battery in fire or a heater. Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects. Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc. Do not strike, trample or throw the battery. Do not directly solder the battery and pierce the battery with a nail or other sharp objects. UnitPackPower batteries have insuredtoChina Ping An Insurance, rest assured to buy. 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