• Black Hailong-style e-bike battery pack with key lock
  • 52V 20Ah Hailong battery and mounting base with reference dimensions and specification chart
  • Reference installation diagram showing the battery mounting base and pack on an e-bike frame
  • Hailong battery detail illustration showing key lock, battery indicator and charging socket
  • Close-up of Hailong battery key lock and discharge socket with red and black wiring
  • Battery level indicator, charging socket and power switch on the Hailong battery pack
  • Hailong battery and mounting plate with labelled charging ports, level indicator, switch and discharge socket
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52V 20Ah Hailong E-Bike Battery with Charger

$779.99 NZD
$779.99 NZD
Free shipping. Extra 5% off automatically at checkout.

52V 20Ah Hailong E-Bike Battery with LG Cells

A Hailong lithium-ion battery pack for compatible e-bike systems, supplied with a 58.8V 2A charger. The pack is listed with LG 4800mAh cells, a 40A BMS and an XT60 discharge connection.

Check compatibility before ordering: confirm your controller's voltage limits, current requirements, connector and polarity, mounting base and available frame space. Matching motor wattage alone does not confirm that a battery will fit or work with your e-bike.

Specifications

Nominal voltage 52V
Rated capacity 20Ah
Listed energy 992Wh
Listed motor application 48V / 52V systems, 0–1500W motors, subject to controller and system compatibility
Cell configuration 14 series × 4 parallel (14S4P), 56 cells
Discharge connection     XT60 (male and female)
Maximum continuous charge current 5A
Maximum continuous discharge current 40A (BMS)
Peak discharge current 120A
Charge cut-off voltage 58.8V
Discharge cut-off voltage 39.2–42V
Battery dimensions 365 × 127 × 90mm
Battery weight 5kg
Included charger 58.8V 2A

Battery management system (BMS)

The listed BMS functions are:

  • Cell balancing.
  • Overcharge protection.
  • Overcurrent protection.
  • Short-circuit protection.
  • Overvoltage protection.
  • Temperature protection.
  • Over-discharge protection.
  • Reverse-charging protection.

Fit and installation

This Hailong-style pack uses a mounting base for installation on a suitable bicycle frame. Check the 365 × 127 × 90mm battery dimensions, mounting-base arrangement and clearance on your bicycle frame before ordering. Product photos are for reference only.

A 52V battery charges to 58.8V according to the listed specification. Check that your controller and other connected equipment support this voltage before using the battery with a system described as 48V.

Included items

  • 1 × 52V 20Ah Hailong e-bike battery pack.
  • 1 × 58.8V 2A charger.

Certified performance and safety

Certified Performance & Safety: Engineered to meet the strict electrical safety requirements of New Zealand standards, our premium lithium-ion batteries are fully IEC certified. Built with high-grade cells, they deliver reliable, safe, and long-lasting power you can trust for your everyday applications.

Use and storage

  • Fully charge the battery before first use.
  • Store in a cool, dry place.
  • Do not dismantle, crush or subject the battery to impact.
  • Do not immerse the battery in water or expose it to fire.
  • Keep away from children.

New Zealand delivery and warranty

  • Brand-new product.
  • New Zealand stock, shipped from Auckland.
  • Free shipping within New Zealand.
  • 12-month warranty.
  • Product photos are for reference only.

Frequently asked questions

Is a charger included?
Yes. A 58.8V 2A charger is included.

Will it work with every 48V or 52V e-bike?
No. Check the controller's voltage limits and current requirements, connector, polarity, mounting base and frame clearance before ordering.

What connector does it use?
The listed discharge connection is XT60, with male and female connectors.

How far can I ride on one charge?
No verified range figure is provided. Range depends on the bicycle, assistance level, terrain, load and riding conditions.