- Capacity: > 40Ah
- Voltage: 48v
- Type: lithium battery
- Origin: Mainland China
- Certification: CE,FCC,RoHS
- application: 48V Silver fish battery,Electric bicycle battery,bafang motor 250W-2000W,18650 lithium battery
- capacity: 48V 20Ah,48V 24Ah,48V 30Ah,48V 35Ah,48V 40Ah,48V 50Ah
Dear buyer: welcome your visit, our products are of high quality and support customization. If necessary, please contact customer service, we will serve you sincerely, thank you!
1. Warranty service: The warranty period is 1 year (if there are any quality issues with the item, please contact customer service to assist you)
2. DDP service: Product sales already include taxes or tariffs, and the following countries enjoy DDP service;(Russian Federation, Belarus, Ukraine, South Korea, Thailand, Singapore, Malaysia, Germany, France, Spain, Netherlands, Italy, Bulgaria, Belgium, Latvia, Poland, Denmark, Finland, Portugal, Sweden, Slovakia, Slovenia, Greece, Hungary, Czech Republic Republic, Lithuania, Luxembourg, Romania, Ireland, Estonia, Austria, Croatia, Australia)
Transport Service:
1. Since the battery is a special product, the transportation channel is different from that of ordinary products, and the delivery time will be longer than that of ordinary products, but we will use faster express delivery to mail to you, please rest assured.
2. The delivery time for European and American countries is about 30 days.
3. The delivery time for Asian countries is about 20 days.
Lithium battery features:
1.Life expectancy is two times that of lead-acid batteries.The weight is more lighter
2.No memory effect and rechargeable.the battery life is more longer
3.Safer and more environmentally friendly, No heavy metals and hazardous substances.
4.Built-in BMS chip will prevent battery pack over charge, over discharge, over-current,over-heat, short circuit
5.Avoiding mechanical accidents caused by vibration.
Product specifications and performance description
Battery Model: E-bike Silverfish Battery
Nominal voltage: 48V
Nominal capacity: 20Ah 24Ah 30Ah 35Ah 40Ah 50Ah
Cell specification: 3.7V 18650 cell
Battery overload protection voltage: 4.2V/cell
Mobile over-discharge protection voltage: 2.8V/section
Mobile source resistance (mq): 50m±10Ω
Arrangement type: 13S4P
BMS: 25-40 amps continuous 80 ± 10 amps max.
Suitable Motor Power: 250W 350W 500W 750W 800W 1000W 1500W 2000W
Discharge cut-off voltage (V): 38 ± 1V
Charge cut-off voltage (V): 54.6V
Rated discharge current (A): 50±10A
Maximum peak discharge current (A): 80±10A
Maximum continuous discharge current (A): 50±10A
Charger mode: CC/CV (constant current and constant voltage)
Standard charging current (A): 2A
Charging time at standard charging current: 6h
Maximum fast charging current (A): 5A
Charging time under fast charging current: 2.5h
Exhaust temperature: -20 to 65 °C
Charging temperature: -10 to 45 °C
Product dimensions: 385*110*75mm
Battery weight: 5kg
Service life: ≥85% capacity after 1000 cycles.
48V electric bicycle silver fish battery 18650 lithium battery electric bicycle battery pack for 250W 350W 500W 750W 800W 1000W 1500W 2000W wheel hub motor kit
Precautions for battery use:
1. Before first use, please fully charge the battery.
2. Do not immerse the battery in water or get the battery wet!
3. Do not reverse the positive and negative poles, or short-circuit the battery with wires or other metallic objects!
4. Do not nail, knock, step on the battery or disassemble the battery and battery pack in any way!
5. It is forbidden to put the battery in the microwave oven, pressure vessel or fire source!
6. If the battery emits odor, heat, deformation, discoloration or any abnormal phenomena, please stop using it immediately!
7. Do not use the battery in direct sunlight or high temperature environment. Otherwise, the battery pack will overheat, affecting battery performance and shortening battery life!
8. The battery pack and charger should be stored in a clean, dry, ventilated place, avoid contact with corrosive substances, and away from fire and heat sources.
9. When the battery pack is to be stored for a long time, please charge the battery pack to about 50% capacity and store it in a dry and ventilated place, and charge it for 2 to 3 hours every 3 months.
10.If you have any questions about product quality, please contact us by email immediately, we will try our best to solve these problems!
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