1S8P 3.7V 20.8Ah Custom 18650 Cylindrical Lithium Ion Battery Pack High Capacity
Customized 1S8P 18650 Cylindrical Lithium ion Battery Pack 3.7V 20.8Ah
1S8P Lithium ion Rechargeable Battery Pack, using 18650 cell, with high apacity, use for GPS backup power supply. Built in BMS functions: Cell balancing, Over-discharge, Over current protection, Over-charge, Temperature protection, Secondary protection. SMbus protocol.
18650 Li-ion Battery Features
High energy density, no memory effect, superior safety, flat discharge voltage, long life cycle of 500 times
Customize Any of The Following Battery Packs as Required
Can be customized according to the requirements of 3.7V, 7.4V, 11.1V, 14.8V, 18.5V, 22.2V, 25.9V, 36V, 48V, 60V, 72V
Battery specification of 1S8P 18650 Cylindrical Lithium ion Battery Pack 3.7V 20.8Ah:
| No. | Items | Specifications | Remark | |||
| 1 | Nominal Capacity | 20.8Ah | 0.2C Standard discharge | |||
| 3 | Nominal Voltage | 3.7V | ||||
| 4 | Discharge end voltage | 3.0V | ||||
| 5 | Charge Voltage | 4.2V±0.03V | By standard charge method | |||
| 6 | Standard charging method | 0.2C constant current,4.2V constant voltage charge to 4.2V,continue charging till current decline to≤0.01C | ||||
| 7 | Charge current | 0.2C | 4160mA | Standard charge, charge time about 6h(Ref) | ||
| 0.5C | 10400mA | Rapid Charge, charge time about: 3h(Ref) | ||||
| 8 | Standard discharging method | 0.2C constant current discharge to 3.0V | ||||
| 9 | Cell Internal Impedance | ≤50mΩ | Internal resistance measured at AC 1KHZafter 50% charge | |||
| 10 | Maximum charge current | 1C | 20.8A | continuous charge | ||
| 11 | Maximum discharge current | 2C | 41.6A | continuous discharge | ||
| 12 | Operation Temperature and relative humidity Range | Discharge | -20~60℃ 60±25%R.H. | Charge at a very low temperature such as blew 0℃,will be get a lower capacity and reduce cycle life of the battery | ||
| Charge | 0~45℃ 60±25%R.H. | |||||
| 13 | Storage temperature for a long time | -10~45℃ 60±25%R.H. |
Do not storage exceed half year. Must charge once when storage for half year. must charge the battery with protect circuit when storage for three months. | |||
Purple Horn Factory Tour:
18650 Li ionBattery Pack Application:
1. Light: headlamp, emergency light, solar flashlight, searchlight, lantern, bicycle light, LED light, military
flashlight, high-end flashlight, high power flashlight, bright flashlight.
2. Outdoor sports products: camping light, mountain bike light, solar emergency light, self-defense flashlight,
3. Customer electronics: MPS, Tablet PC. laptop, Bluetooth earphone, power bank, portable DVD player,
speaker, microphone, sound equipment, audio, Digital camera.
4. Home appliances products: electric mop, electric vacuum cleaner, electric children toys, electric shoes, electric blanket.
5. Medical devices
18650 Li ion Battery Pack Delivery
• By Air Door to Door Service
• By Sea Door to Door Service
• By Express: EMS, TNT, UPS, FedEx
Why Choose us?
Reliable quality -- We have 10 years of battery industry experience. Automated production line and precise equipment. In strict accordance with international standards for production inspection, to ensure product quality and safety.
Positive service -- We give response for all inquiries/questions in 24 hours. We have a professional R&D team, we can provide professional customized and one-stop services.
Taking responsibility -- PAC members to proactively take responsibility, we always offer the best solution to our customers.
24 hours customer service, waiting for your inquiry!
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