




| Battery Specification | |
|---|---|
| Model NO. | 18650 |
| Connect | 6S2P |
| Nominal capacity | 6.4Ah @0.2C |
| Nominal voltage | 21.6 V |
| Max Charging voltage | 25.2±0.05 V |
| Discharge ending voltage | 16.5 ±0.05 V |
| Recommended Temp | Charge: 0~45ºC | Discharge: -20~60ºC |
| Battery dimension | 110*80*36mm |
| Weight | About 800g |
| BMS Electric Features | |
| Overcharge detection | 25.2 ± 0.05 V |
| Overdischarge detection | 16.5 ± 0.05 V |
| Max continuous discharge | 6.4A |




1. New Batteries: Visual inspection before installation. Usually shipped half-full; no special activation needed.
2. Fast Charging: Not recommended for non-fast-charge series to avoid irreversible capacity loss.
3. Storage: Store at 50%-70% charge, temperature below 25ºC for long-term storage.
4. Daily Care: Avoid overcharging and overdischarging. Keep ventilated during charging.
A: Yes, we welcome sample orders for quality inspection and testing. Customization is available for samples.
A: Samples usually take 3-7 days, while mass production orders typically require around 20 days.
A: We usually ship via FedEx, which takes 5-10 days. Air and sea shipping options are also available depending on your needs.
A: 1. Share your requirements. 2. Receive a quote. 3. Confirm samples and arrange payment. 4. Production begins.
A: Yes, we provide OEM services. Customers can provide their own packaging designs or choose neutral packaging.
A: We typically provide a quotation within 24 hours of receiving your inquiry. For urgent requests, please highlight it in your message.