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New Hailong Ebike battery 52V 17.5AH BMS40A Samsung 35E Cells for 1500W motor/USA STOCK/Fast delivery/3-5working days arrive

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New Hailong Ebike battery 52V 17.5Ah  Samsung 35E Cells for 1500W motor/USA STOCK/BMS40A/Fast delivery/3-5working days arrive

Please kindly noted, the USA  is without bluet**th, if you need this one need send from china.

1. Newest Hailong case battery, the case is stronger a lot than market normal hailong battery

2. Battery mount base upgrade: Added one more mounting hole for easier installation and for more ebike models, reduce the controller space to increase battery cell space to get more capacity. (detail as below picture shows)

3. Transmission current upgrade: 5 needles dischage port to instead of 4 needles for better connect. (detail as below picture shows)

52V 17.5Ah 40A BMS Fit for Motor: 52V 1500W 1200W 1000W 750W 500W 250W (Can't over 1500w)

52V 17.5Ah 30A BMS Fit for Motor: 52V 1000W 750W 500W 350W 250W (can't over 1000w)

48V 17.5Ah 45A BMS Fit for Motor: 48V 1500W 1200W 1000W 750W 500W 250W (can't over 1500w)

48V 17.5Ah 30A BMS Fit for Motor: 48V 1000W 750W 500W 250W (can't over 1000w)

Battery parameters
Model R049-2
Battery type Li ion Battery
Rated Voltage 52V 
Rated Capacity 17.5Ah 
Battery cell INR18650-SAMSUNG-3500mAh 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 



Ebike Battery Pictures:

Install-hailong batterydetail2-hailong batterySize-hailong battery




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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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