GRAND ENERGY MFG (GUANGDONG) CO LTD Phone Number/ Whatsapp: +(86）136 3268 0693 Email:jacky@gemrexenergy.com
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Strict Quality Control
Application-Focused Expertise
Precision Needs Discovery
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Flexible Customization (OEM/ODM)
Reliable Delivery
Responsive After-Sales Support
With our batteries, you can double your runtime compared to use a traditional lead acid battery.
You can move faster with less weight and more power for the advanced battery.
4,000+ life cycles bring you peace of mind, generally can be 3X longer than the lead acid ones.
The special designed battery system enable you to create a charge and discharge faster and more convenient battery.
With our batteries, you can double your runtime compared to use a traditional lead acid battery.
You can move faster with less weight and more power for the advanced battery.
4,000+ life cycles bring you peace of mind, generally can be 3X longer than the lead acid ones.
The special designed battery system enable you to create a charge and discharge faster and more convenient battery.
| Nominal Voltage | 46.8V | Nominal Capacity | 13Ah |
Stored Energy | 608.4 kWh | Dimension(L×W×H) For Reference | 11.2x4.4x3.1 inch (285x110.5x80mm) |
Weight lbs.(kg) No Counterweight | 0.94±0.44 lbs (4.1±0.2 kg) | Typical Mileage Per Full charge | 25-30 km (15.5-18.6 miles) |
Continuous Charge / Discharge Current | 3A / 20 A | Maximum Charge / Discharge Current | 5 A / 25 A |
Charge | 32°F~113°F (0°C ~ 45°C) | Discharge | -4°F~140°F ( -20°C ~ 60°C) |
Storage (1 month) | 32°F~113°F ( 0°C ~ 45°C) | Storage (1 year) | 59°F~95°F ( 15°C~30°C) |
Casing Material | Aluminum | IP Rating | IP21 |
Custom‑Fit Design & Impressive Riding Range
Select the 13Ah variant matched to your bicycle frame tube height for broad compatibility. Deliver a riding distance of over 25 miles under pure‑electric or pedal‑assist mode.
Easy‑to‑Carry & Flexible Charging
A concealed carry handle allows quick detachment of the battery. You can conveniently transport and recharge it at any location.
Reliable Anti‑Theft Security
This silver‑fish‑shaped battery supports ON/OFF/UNLOCK switch modes and is supplied with two physical keys, securing your battery against theft on outdoor trips.
Multi‑Layer Safety with Integrated BMS
Equipped with an in‑built 25A battery management system, the unit delivers comprehensive safeguards against short‑circuit, over‑charging, over‑discharging and over‑temperature risks.
Broad‑Spectrum Motor Compatibility
Optimized for seamless operation with most 300W‑500W e‑bike motors to boost your riding speed and overall performance.
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