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21700 Battery, DOCA 4000mAh High Drain Li-ion Rechargeable Batteries 3.7V IMR Protected Flat Top 21700 Battery


Super Savings Item! Save 32% on the 21700 Battery, DOCA 4000mAh High Drain Li-ion Rechargeable Batteries 3.7V IMR Protected Flat Top 21700 Battery by DOCA at Bid Proposal Form. Hurry! Limited time offer. Offer valid only while supplies last. CE Certified 3.7v 4000mAh 21700 Li-ion Battery 1.Top quality battery will be a big help when you're in emergency occasion. 2.If you really need 21700


21700 Battery, DOCA 4000mAh High Drain Li-ion Rechargeable Batteries 3.7V IMR Protected Flat Top 21700 Battery by DOCA
Brand: DOCA
4.6 out of 5 stars with 27 reviews
Condition: New
Availability: In Stock
$18.99
$12.99
You Save: 32%


Quantity:  

 


View More In 3.7V.

Product Description & Reviews

CE Certified 3.7v 4000mAh 21700 Li-ion Battery

1.Top quality battery will be a big help when you're in emergency occasion.

2.If you really need 21700 Li-ion battery,you'll never regret to choose DOCA.

3.We have focused on R&D in battery for more than 10 years and sell in EUR and America.


Specifictions:

Color : blue

Shell material : nickel plated steel shell

Materials : steel hat by riveting process(fully covered steel)

Rating voltage : 3.7V (battery cell voltage: 3.6V)

Charge voltage : 4.2V±0.049V

Charging current : 1A,the Max is 2A

Standard charging time : 1A to full is about 5 hours

Fast charging time : 3.4A to full is about 2.5 hours

Max charge/discharge current : 3C

Discharge cut-off voltage : 2.50 ± 0.1V

Operating temperature : charging (0~45℃)/discharge (-20~60℃)

Dimensions : L70mm * D21mm


Features:

✔No memory effect : 3.7v 4000mAh rechargeable battery can be charged anytime.

✔Widely application : provide enough strong power for High-drain LED flashlights,headlamps,bike lights and all 21700 electronics.

✔Funtional : built-in dual short circuit protection.

Automatically protection against overheated,overcharge,over-discharge and short-circuiting.


Package Includes:

2 * 21700 Li-ion battery


Our Promise:

90 days free replacement。

24 month worry-free return warranty。

Lifetime friendly service.

Features & Highlights

  • Real High Capacity - 4000mAh (MAX), Continuous Rated Discharge: 10A (MAX), Rated 30A (MAX) Pulse, & Nominal Voltage: 3.6V-3.7V
  • Professional Batts - Ideal for Electronic Device That Requires Removable High Drain 20650,20700& 21700 Size Battery, Chemistry: IMR, Style: Flat Top
  • Wide Application - Fit for all devices that use 21700 Batteries: Power banks, Flashlights, Electric Scooters, LED torch, Digital camera, Toy, Laser pointer, etc.
  • Low Loss Storage - The supreme Li-ion batteries could maintain 75% of capacity after one year no use when charged fully.
  • Kind Note - Fully Charged to 4.2V Before First Use and Use Only Proper Battery Charger That's Designed for 21700 Type Battery

Additional Information

Manufacturer:DOCA
Brand:DOCA
Publisher:DOCA
Studio:DOCA
UPC:669527302303
EAN:0669527302303
Package Weight:0.28 pounds
Package Size:0.7 x 0.7 x 0.7 inches

 


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