48V 35AH LiFePO4 Battery with BMS and 5A Fast Charger: Our Exclusive Advantages: Battery Customized-made Service. We don't have MOQ, we support all customize battery or special requirement order. Customs duty: Wearenotresponsibleforanycustomsduty/tax. Delivery Time: Battery is a special product, all batteries need several cycle tests before delivery, so production and test time need about 5-7 days; Delivery Method: For American or Canadian buyers: Due to the request of new released airplane shipping regulation of battery, all parcels have to be shipped only by FedEx to buyer or by air to USA firstly then to the destination cities or countries by FedEx. If by air to USA airport and then transfer, the tracking number will only be available once it arrives USA (customs clearance will be completed in 2 days). The delivery time is usually 12-15 days after dispatch. For Russian / Ukrainian / Kazakhstan buyers: We will send by Special Line. The delivery time is usually 25-35 days after dispatch. Warranty: One year quality warranty (warranty is invalid for any damage due to wrong operation) If you meet any problem, please firstly kindly check FAQ below. Very Important Attention: Please don't use this battery for more than 1600W Motor!!! If you use it for bigger power motor and cause any problem or accident, we are not responsible for that. (If you want to use for bigger power, please kindly enquire us to upgrade BMS board) Brand New, A Grade!!! Free Fast Charger, Free BMS Parts Including: 48V 35AH LiFePO4 Battery Pack (with Cannon Charging Port and Anderson Discharge Port) BMS Board in White Box (easy to replace) Discharge Power Supply Cable (connect battery to your controller) 5A Fast Charger in Aluminium Case (suitable for worldwide countries) Important Attention: Cell capacity may vary depends on stock availability, but the total capacity of battery remains the same. We have several different capacity cells: If you want a customize size battery, please kindly contact us to confirm firstly. 48V 35AH LiFePO4 Battery Specification: Battery Model 48V 35AH Nominal Capacity (AH) 35Ah Nominal Voltage (V) 51.2 Source Resistance 40mΩ Cell Combination 16-Series, 7-Paralles Cell Type Rectangle Cell (3.2V 5Ah) Cell Quantity (series*parallels) 112 pcs Cell Size 135x100x5mm Battery Size (without BMS) 290x285x105mm or 285×210×145mm Battery Size (with BMS Box) 290x285x140mm or 285×210×180mm Discharge Cutoff Voltage (V) 38.4 Charge Cutoff Voltage (V) 58.4 Rated Discharge Current (A) 35 Maximum Continuous Discharge Current (A) 70 Instantaneous Maximum Discharge Current (A) 140 Maximum Continuous Charge Current (A) 10 Maximum Continuous BMS Limited Current (A) 40 Maximum Instantaneous BMS Limited Current (A) 80 Charge Mode CC-CV Standard Charge Current (A) 2 Charge Time under Standard Charge Current 20 hours Fast Charge Current (A) 5 Charge Time under Fast Charge Current 8 hours Charge Temperature Range 0-55°C Discharge Temperature Range -10-60°C Battery Net Weight (include BMS) (kg) 15 Battery Gross Weight (include Package) (kg) 17.5 Charging Cycles >1000 times Recommend Application Less than 1600W Motor Remarks: Do not use or charge the battery under high temperature. Do not short-circuit the positive (+) and negative (-) terminals of the battery. Do not immerse the battery into water and acidity liquids, or allow it to get wet. The battery should be sorted in a clean, dry circumstance and charged to full by the charger every two months when not used for long time. Please charge the battery by using the special charger. Do not let the battery near fire. Do not disassemble the battery. User Manual of battery: 1. Please kindly check whether battery has enough power (please test with voltage meter) 2. Before connect battery to your controller, please firstly turn off power from throttle electric key (if have); 3. Please ensure whether positive and negative poles are correct and same as your controller power input; 3. After you connect battery to controller and make sure no any short circuit, then turn on power from controller User Manual of charger: 1. If you use 2A charger, then you don't need to check input voltage, it is 100-240V universal. If you use 5A Fast Charger, please kindly choose correct input voltage according to your country (110V or 220V), please make sure you choose correct one, we have no warranty for any problem due to this mistake. 2. Please kindly check whether your charger is labeled as "Output Voltage: 58.4V". This is very important, high voltage charge will bring danger. If you get wrong charger, please kindly contact us immediately and never use it. 3. Connect charger to battery 4. Connect charger to indoor power supply 5. If the charging indicate lamp shows red, it means during charging; if the indicate lamp shows green, it means the battery is full. Please keep it 1-2 hours when it just turn green for trickle charging 6. When battery is full, please firstly disconnect charger to indoor power supply 7. Then disconnect battery to charger FAQ: 1. Can I use my own charger? Yes, but please ensure the output voltage of your charger is correct with 58.4V. 2. When I connect battery with my controller, there is no power Please kindly check whether battery has power Please kindly check whether positive and negative poles are connected to controller correctly Please kindly check whether you turn on electric key (if have). 3. After charge battery to full, shall I disconnect charger? Yes, best is after you charge battery to full, please remove charger. 4. Why the charging indicate lamp always show green when I charge battery? Battery is already fully charged (please test output voltage from battery discharge port) Between battery and charger doesn't connected well (please kindly check the cannon plug of charger, whether all 3 pins are straight and not bend) Maybe Charger is defective. 5. When battery has problem, what shall I do? Please firstly kindly check whether BMS board plug is connected well Please kindly disconnect battery with ebike and contact us, we will need some data from you. Voltage from battery discharge port. Voltage from battery charging port Voltage between BMS board "B-" and Battery discharge port Positive Pole Voltage between BMS board "B-" and all series lines (each pin on series line plug)
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