48V down tube electric bike lithium battery

With 15 years of experience in the lithium battery industry, keheng has launched the 48V downtube lithium e-bike battery. Designed with B2B customers in mind, this battery is not just a product, it’s a game changer in the e-bike world. Its design, performance, and reliability will redefine the standard for e-bike powertrains.
The 48V Downtube Li-ion E-Bike Battery is designed for modern e-bikes, offering unrivaled efficiency, power, and durability. Designed for seamless integration into e-bike downtubes, this battery delivers the power needed for long rides and challenging terrain, while still offering a sleek, unobtrusive look.
ENHANCED BIKE PERFORMANCE: With its high voltage output, this battery dramatically increases the speed and torque of your e-bike, ensuring superior ride quality, even on steep inclines.
More range: Our lithium batteries provide riders with a longer range per charge, minimizing downtime and increasing the enjoyment of the adventure. Ideal for urban commuting and off-road adventures, it ensures reliability and durability.
RAPID CHARGE TECHNOLOGY: For our customers and their clients, time is of the essence. Our battery’s fast-charging feature means less waiting and more riding, increasing user satisfaction and bike utilization.
DURABILITY AND SAFETY: The battery is built with a rugged, waterproof case to withstand harsh conditions. It integrates an advanced Battery Management System (BMS) that ensures safety by preventing overcharging, overheating, and short circuits.

Specification
- Nominal voltage: 48V
- Capacity: Customisable options starting at 12Ah
- Energy storage: Varies with selected capacity
- Cycle life Over 3000 cycles at 80% depth of discharge to ensure longevity
- Operating temperature range: -20°C to 60°C to suit all climatic conditions
- Charging temperature range 0°C to 45°C
- Dimensions Suitable down tube for most e-bike models
- Weight Optimised balance to reduce stress on the bicycle frame
- Certifications: CE, UL and RoHS compliant to ensure quality and safety
Technical Specifications
Weight KG max
| Model | KH 48V12Ah |
| Casing | Aluminum +ABS |
| Cell | INR18650-35E |
| Voltage | 51.2V |
| Capacity | Customized |
| Cycle Life | 3000>95% |
| Charge Cut-Off Voltage | 59.2V |
| Charge Current | 12A max |
| Discharge Current | 12A max |
| Discharge Current (Peak) | 20A (500mS), 50A (50mS) |
| Discharge Cut-Off Voltage | 40V |
| Charge Port | DC2.1 |
| Discharge Port | 2Pin |
| Power Indicator | 4 LED |
| Switch | Yes, |
| USB Port | Yes |
| Charge Temperature | 0℃~45℃ |
| Discharge Temperature | -10℃~45℃ |
| Protection | Over Charge, Over Discharge, Over Current, Short Circuit, Cell Balance |
| Certificate | UN38. |
| Package | UN Carton |
| Warranty | 12 months |
Our 48V downtube lithium e-bike batteries are designed to power your fleet, provide an unparalleled riding experience, and make your e-bike stand out in the marketplace. Ideal for e-bike manufacturers, rental companies and businesses looking to provide premium e-bike solutions, this battery is a testament to our commitment to innovation, quality and customer satisfaction.

Incorporate our 48V downtube lithium e-bike battery into your product and experience the difference in power, performance and reliability. Enhance the potential of e-bikes and lead the e-mobility revolution.




