21700 3.7V 4500mAh Lithium Battery

Item code #:21700-4500
$USD 3.08$USD 4.00
QTY Price
100 $USD 2.98
500 $USD 2.78
1000 $USD 2.58

99999 in stock.

QTY:

Product Description

Capacity

4500mAh

Nominal Voltage

3.7V

Internal Impedance

≤ 20m

Discharge Cut-off Voltage

3.0V

Max Charge voltage

4.20±0.02V

Standard charge current

0.2CA

Rapid charge current

0.5CA

Standard discharge current


0.2CA

Rapid discharge current

0.5CA

Max constant discharge current

2.0CA

Weight

85±1g

Max. Dimension

Diameter(Ø): 21.55mm
Height (H): 70mm

Operating temperature

Charge: 0 ~ 45℃
Discharge: -20 ~ 60℃

Storage Temperature

During 1 month: -5 ~ 35℃
During 6 months: 0 ~ 35℃

Standard Charge

Constant current and constant voltage (CC/CV)
Current=2000mA
Final charge voltage=4.2V
Final charge current=52mA
The temperature is around 25±3℃

Standard Discharge

Constant current(CC)
Current=4000mA
End Voltage-3V
The temperatureis around 25±3℃


Packing & Delivery

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1. Packaging Details: export carton;
2. Port China;
3. Lead Time: Shipped in 7 workdays after payment.


Caution :

(1) Do not make the battery short-circuit and do not try to charge it.
(2) Do not over-discharge , press or burn the battery.
(3) The battery should be removed from the instrument on time when finishing discharging.
(4) The battery should be buried deeply in earth .
(5) Do not try to solder directly on battery.