1. Brand: Batterysaler
2. Model: 21700-4000mAh
3. Nominal voltage: 3.7v
4.Max discharge current: 2C(8A)
5. Capacity: 4000mAh
6. type : Lithium Cobalt Manganese Oxide (Li(NiCoMn)O2)
7. Length : ?70.2mm
8. Diameter: ?21.2mm
9. Color: Will as picture show( colors will change as very batch of stock different, so battery color and look like will same with listing picture show.)
| Normal capacity | 4000mAh(1C) |
| Minimum capacity | 4000mAh(1C) |
| Normal voltage | 3.7V |
| Charging voltage | 3.65+/-0.05V |
| Discharging ending voltage | 2.55 +/-0.05V |
| Standard charging current | 0.5C(charge @2A,voltage upto4.2V, stop at end current 0.1A |
| Standard discharging current | 0.5C(Discharge @2A,cut-off 2.55V, capacity 4050mAh) ; |
| Max Continue discharging current | 1C(Discharge @4A,cut-off 2.55V, capacity 4010mAh) ; |
| Max Instantaneous discharging current | 2C(Discharge @8A, cut-off 2.55V,capacity 3980mAh ) ; |
| Max recommended charge and discharge cell body temperature | Charge:0~60? Discharge:-20~60? |
| Internal resistance | ?45m?(AC Impedance,1000Hz) |
| Cell dimensions | Height:70.2mm Max Diameter:21.2mm Max |
Battery Application:
1)Digital watch
2) LED strip/panel,Camera/IP Camera
3) Router/Switch
4) POS machine
5) Electronic scale
6) Battery pack as power supply
7) Charging small fan
8) Digital toy
9) Speaker and so on
About Internation shipment:
1)Shipped by USPS or UPS Expression ;
2)Deliver battery in one day ;
All of Our Battery Stock:
Over 10C High rate power battery:
| Model | Voltage | Typical capacity | Dimension | Charge | Discharge | Weight | ?EXW?Unit Price | PVC Color |
| INR18650 | 3.7V | 1500mAH | 18.1*65.0mm | 2C | 15C | 48g | $0.75 | Blue |
| INR18650 | 3.7V | 2000mAH | 18.1*65.0mm | 2C | 10C | 50g | $ 0.84 | Green |
| INR18650 | 3.7V | 3000mAH | 18.1*65.0mm | 2C | 10C | 50g | $ 1.30 | Blue |