52V 20Ah Hailong E-Bike Battery, 40A BMS

Electrical Specifications

• Voltage options:  52V
• Capacity range: 20Ah 
• Max discharge current: 40A 
• Motor compatibility: 250W – 1500W

🔋 Battery & Cells

• Cell type: Lithium-ion (LG & Samsung 21700 cells)
• Configuration: typically 14Serial 4 Paralel
• Cycle life: 500–1000+ cycles
• Charging method: CC/CV (standard lithium charging)

 Physical Dimensions

• Size: 365 × 90 × 120 mm
• Weight: 5,6 kg

 Features

•  Lock with key
•  Slide-in downtube rail mount
•  LED battery level indicator
•  USB output (on many versions)
•  Built-in BMS:
  • overcharge protection
  • over-discharge protection
  • short-circuit protection

• 1 x Battery
• 1x Charger (UK Plug)
• 1x mounting plate
• 2x keys