Polly E-Bike Battery 48V, 52V (HN07)

Electric Bike Battery Specifications:

• Battery type: Lithium-ion (LG & Samsung 21700 cells)
• Voltage options:
  • 48V
  • 52V
• Capacity range:
  • ~25Ah
• Energy (example):
  • 48V 25Ah ≈ 1200Wh
  • 52V 25Ah ≈ 1300Wh
• Dimensions:
  • 370*100*150mm

 Performance & output

• Motor compatibility:
  • ~250W to 1500W systems
• Typical discharge (BMS):
  • ~40A continuous (varies by build)
• Cell format:
  • Lithium-ion (LG & Samsung 21700 cells)

HN07 design

• Case type: HN07 (larger Hailong-style variant)
• Mounting: Frame downtube rail (slide-in)
• Physical traits:
  • Slightly larger capacity housing than HN05
  • Often used for higher Ah builds (18Ah–20Ah more common)
• Features:
  • LED charge indicator
  • Key lock & removable pack
  • Base discharge connector (XT60 / 4-pin / cradle contacts)

Build & durability

• Water resistance: Typically IP54–IP65 (splash resistant)
• Construction: ABS/plastic Hailong shell with aluminium rail mount
• Cooling: Passive (no active cooling)

Lifespan & cells

• • • Cycle life: ~800–1000 cycles (typical lithium-ion range)
    • Cell quality varies:
      • Budget builds → generic Chinese cells
      • Higher-end → Samsung / LG / Panasonic

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