EMP offers direct replacements for your old Sea Dragon battery! We carry may different Hailong cases in-stock, and all batteries are build-to-order here in the USA. Please inquire regarding your specific Hailong replacement if you do not see it listed online. 

NOTE: Custom voltage/capacity combinations not listed here may be available, please reach out if you need help configuring a battery for your setup. 

Battery Specifications

  • 24V | 36V | 48V | 52V Lithium-Ion Battery
  • Battery Pack in Water Bottle Mount Case
  • 1-year manufacturer warranty
  • Specifications: Model: Bottle type
  • Battery material: Li-Ion 18650 cell
  • Nominal voltage: 24V | 36V | 48V | 52V
  • Rated capacity: (Varies) up to 17.5Ah
  • Standard Discharge: 15A
  • Maximum Discharge: Continuous 40 Amp 
  • Charge current limit: 8A
  • Charging mode: CC/CV
  • Max charge voltage: (24V=29.4V | 36V=42.6V | 48V=54.6V | 52V=58.8V)
  • 40 Amp continuous 50 Amp burst discharge
  • Cycle life: About 400 -  500 cycles
  • Range with one charge: 30 - 45 miles (500w motor) Pairs well with 48V 500W electric bicycles
  • Panasonic GA Cells or LG MJ1 Cells / Samsung 30Q Cells available upon request

 

Battery Cell Specs (LG MJ1)

  • Nominal: 3500 mAh Minimum: 3400 mAh
  • Nominal Voltage: Average: 3.635V
  • Constant current: 0.5C 
  • Constant voltage: 4.2V
  • End current(Cut off): 50mA
  • Max. Charge Voltage: 4.2 ± 0.05V
  • Max. Charge Current: 1.0 C 
  • Standard Discharge Constant current: 0.2C 
  • Nominal Discharge: 3500 mAh constant current 
  • End voltage(Cut off): 2.75V
  • Max. Discharge Current: 10A
  • Weight Approx. Max.: 49.0 g (per cell)
  • Operating Temperature
    • Charge 0 ~ 45℃
    • Discharge -20 ~ 60℃
  • Storage Temperature
    • 1 month -20 ~ 60℃
    • 3 month -20 ~ 45℃
    • 1 year -20 ~ 20℃

     Can pair well with any 24V/36V/48V Bafang Mid drive Motor Click here to for motors

      $290.00

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