DMEGC 21700 Battery Original 50E Electric Bike 5000mah 21700 Li Battery for Audio 21700 Batteries Cell
Product Details
| Battery Size: | 21*70(mm) | Application: | Toys, Power Tools, Home Appliances, Consumer Electronics, Boats, Golf Carts, SUBMARINES, Electric Bicycles/Scooters, Electric Vehicles, Electric Wheelchairs, Electric Power Systems, Solar Energy Storage Systems, Uninterruptible Power Supplies, Electric For |
|---|---|---|---|
| Weight: | 69g, 75g | Battery Type: | 21700 |
| Product Name: | 21700 5000mah 3.7v Battery | Type: | 21700 Battery Product |
| Capacity: | 5000mah | Voltage: | 3.7V |
| Cycle Life: | Up To 1000 Times | Size: | 21*70mm |
| Keywords: | 21700 3.7v 5000mah Rechargeable Battery 4000mah Product | Chargeable: | Yes |
| Anode Material: | NCM | The Charging Ratio: | 4.2V |
| The Discharge Rate: | 2.75v | Electric Energy: | 18.5 Wh |
Product Description
1 | Size | 21*70mm |
2 | Charge voltage | 4.2V |
3 | Nominal voltage | 3.7V |
4 | Nominal capacity | 5000mAh |
5 | Charge current | Standard Charging::0.5C |
Rapid charge:1.0C | ||
6 | Standard Charging method | 0.5CCC(constant current)charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to≤0.05C |
7 | Charging time | Standard Charging:3.0hours(Ref.) |
Rapid charge:2hours(Ref.) | ||
8 | Max.charge current | 1C(XXXmAh) |
9 | Max.discharge current | 3C(XXXmAh) |
10 | Discharge cut-off voltage | 2.75V |
11 | Cycle Life: | >1000cycles |
12 | Operating temperature | Charging:-20℃~50℃ |
Discharging:-20℃~60℃ | ||
13 | Storage temperature | -10℃~ +60℃ |
14 | Cell Weight | Approx:75g |
15 | PCB Protected against: | Over charge |
Over discharge | ||
short circuit |
2.High capacity and high density lithium ion battery.
3.Stable battery performance and high utilization rate.
4.Green environmental protection materials, safe and pollution-free.
5.Battery short circuit protection, safe to use.
6.Factory price.
7.Models complete, can be customized according to customer requirements.
Product Highlights
Product Description 1Size21*70mm2Charge voltage4.2V3Nominal voltage3.7V4Nominal capacity5000mAh5Charge currentStandard Charging::0.5CRapid charge:1.0C6Standard Charging method0.5CCC(constant current)charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to≤0.05C7Charging ...
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