Shenzhen Ryder Electronics Co., Ltd. is one of the leading manufacturers and suppliers of 48v 20.8ah li-ion battery pack in China. Welcome to buy CE approved batteries in stock here and get free sample from our factory. All customized products are with high quality and low price.
48V 20.8Ah Li-ion Battery Pack
The Li-18650-13S8P-46.8V 20.8Ah is a high-energy-density lithium-ion battery pack designed and manufactured by Shenzhen Ryder Electronics Co., Ltd. Built with 104 premium Dongguan Dongci INR18650-26E (2600mAh) cells in a 13S8P configuration, this pack delivers a nominal voltage of 46.8V (standard 48V system) and a typical capacity of 20.8Ah.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | Li-18650-13S8P-46.8V 20.8Ah |
| Cell Type | INR18650-26E (Dongci), 2600mAh, 3.65V nominal |
| Configuration | 13S8P (104 cells) |
| Nominal Voltage | 46.8V (standard 48V system) |
| Charge Cut-off Voltage | 54.6V |
| Discharge Cut-off Voltage | 36.4V |
| Charge Temperature | 5°C ~ 45°C |
| Discharge Temperature | -15°C ~ 60°C |
| Storage Temperature (short) | -20°C ~ 45°C (≤1 month) |
| Storage Temperature (long) | 0°C ~ 30°C (≤1 year) |
| Weight | ~8.6 kg ±0.5kg |
| Certification Compliance | CE, UL (factory level), RoHS ready |
Why Ryder Electronics?
- Shenzhen Ryder Electronics Co., Ltd. – founded in 2005 – is a National High-Tech Enterprise and a leading smart energy solution provider.
- 50-acre Huizhou New Energy Industrial Base (84,000㎡ built area)
- 500+ employees | 12% R&D engineers | 10+ years avg. lithium battery design experience
- Full in-house capabilities: SMT, cell PACK, BMS, charger design, molding, system integration
- Stringent quality control: UL, CE, CB certified | Full digital traceability
- 24/7 global technical support | 68+ patents
- Mission: Making Green Energy Accessible
FAQ
Q1:What is the actual voltage and capacity of this battery pack?
The nominal voltage is 46.8V (standard 48V system), typical capacity 20.8Ah, minimum 19.38Ah. It uses 13 cells in series and 8 cells in parallel (13S8P).
Q2:What type of BMS is included?
The pack comes with a same-port PCM (protection circuit module) supporting 40A continuous discharge (158A peak), 10A charge, NTC temperature sensor, weak current switch, and full protections (over-charge, over-discharge, over-current, short-circuit, temperature).
Q3:Can I use this battery for an e-bike or e-scooter?
Yes. It is ideal for electric bicycles, scooters, light EVs, and many industrial applications. Always check your motor controller's voltage and current requirements.
Q4:Is the battery waterproof?
The pack uses a metal case with potting compound, which provides excellent resistance to dust, vibration, and moisture. However, it is not fully submersible. We recommend avoiding immersion in water.
Q5:What certifications does this battery have?
The battery is designed to meet CE, UL (component recognition), and RoHS standards. Full certification can be provided upon request.
Q6: What is the maximum discharge current?
Maximum continuous discharge current is 40A. Short-term peak is 50A. For higher current needs, please inquire about custom designs.
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