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New Hailong R049-2 52V 17AH BMS40A Panasonic3400 Cells Ebike battery for 0-1500W motor with 2A charger/UK STOCK/Fast delivery/3-5working days arrive

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New Hailong R049-2 52V 17AH BMS40A  Panasonic3400 Cells Ebike battery for 0-1500W motor with 2A charger/UK STOCK/Fast delivery/3-5working days arrive

Battery parameters
Model R049-2
Battery type Li ion Battery
Rated Voltage 52V 
Rated Capacity 17Ah 
Battery cell Panasonic-3400mAh cells
Dimension(mm) 370*90*110
Battery weight 4.5KG
BMS current 40A 
Max.charge current 3A 
Charge voltage  58.8v
Discharge cut-off voltage 39.2v
Charger 2A charger default 

We use Anderson connector, The connectors can be specified, please note on order.
Trade & Market

Main Markets Total Revenue(%)
North America 23.00%
Western Europe 20.00%
Oceania 15.00%
Northern Europe 12.00%
Eastern Europe 9.00%
Southern Europe 8.00%
Southeast Asia 6.00%
South America 5.00%
Mid East 2.00%
  • 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 upside down 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.


Shenzhen Unitpackpower Technology Co., Ltd

We are a professional manufacture with factory, which produce all kinds of high quality lithium baterruies as customers' requirements and designs. Our products have already exported to many places all over the world. This is a team which not only master advanced science and technology but also full of passion and energy. We are trying best to provide you high quality products as well as the sincere services.

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