21700 3.7V 4000mAh Lithium Battery

Item code #:21700-4000

$USD 2.45~~$USD 3.19~~

QTY	Price
≥ 100	$USD 2.35
≥ 500	$USD 2.25
≥ 1000	$USD 2.15

99999 in stock.

QTY:

Product Description

Capacity	4000mAh
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

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.