48v electric bike li-ion battery
Model NO HC-051-A Battery chemicals Lithium-ion 18650 13 S 4 P Battery cell brand Samsung,LG, Panasonic,Chinese cells Nominal Voltage 48 V Nominal Capacity 8AH 、8.8AH 、10AH 、10.4AH,11.6AH,12.8AH,14AH Over discharge protection 36.4 ±0.5 V Over charge protection 54.6± 0.5V Charging current ≤5 A Continuous discharge current ≤15A Transient excess current 60±10A Short Circuit Safety Test No fire, No explosion Overcharge Safety Test Crush Safety Test Needling Safety Test Extrusion Safety Test 130°C High Temperature Safety Test Other voltage and capacity: 10S5P 36v 10AH,11AH,12.5AH,13AH, 14.5AH,16AH,17.5AH QC Standard for Cells: 1. In good light,the surface should be smooth and dry,without crack,score,dirt etc.,the identification 2. should be clear and correct. 3. There should be clear polar identifications,the identification should be correct check by voltage meter. 4. Over discharge--no fire,no explosion,no leakage 5. Over charge--no fire,no explosion 6. Short circuit--no fire,no explosion 7. Drop--no fire,no explosion,no leakage 8. Heat--no fire,no explosion 9.Crush--no fire,no explosion 10. Stab--no fire,no explosion QC Standard for Battery Pack: 1. Check all connection included cell to cell, data wires between cells and BMS, BMS to the cell, BMS 2. to the discharging port and charging port 3. 100% capacity at 0.2C discharging and in normal temperature 20°c 4. >98% capacitive at 1.5C discharging and in normal temperature 20°c 5. >95% capacity at normal discharging in very high temperature 55°c 6. >50% capacity at normal discharging in very low temperature -20°c 7. Over-discharging testing 8. Over-charging testing Q:W hat is included to a battery pack? A:Battery case,li-ion battery cells,BMS,discharging and charging connecter. Q: Will the battery pack BMS fit my motor? A : BMS acquiesce in discharging current 10-20A only,custimized current needs remarks. Q: How long does it take to recharge the battery? A: usually it takes 4—6 hours with 2A standard charger. Q: Does the battery pack waterproof? A: Yes. You can the battery pack in the light rain without worrying about damaging the electric components. Q: How long I can get it? A:Delivery date about 15 days after payement,and usually 5-7 day for shipping Q:What's the warranty solution? A: 27 months warranty from the delivery date. Man-made problems not in warranty.