KeepPower 4200mAh 26650 Rechargeable 3.7V IMR Flat Lithium Battery Max 50A


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Main Features:
● Typical Capacity: 4200mAh (0.2C discharge)
● Minimum Capacity: 4100mAh (0.2C discharge)
● Nominal Voltage: 3.7V
● Rated Charge: CC/CV, 4200mA, 4.20V
● Standard Charge Time: 2.0 hours
● Maximum Charge: 6A
● Full Charged Voltage: 4.20V±0.05V, 50mA end-off current
● Discharge End-off Voltage: 2.50V
● Max. Plus Discharge Current: 50.0A
● Max. Constant Discharge Current: 30.0A
● Initial Impedance: Max. 25mΩ
● Operating temperature: Charging: 0 Deg.C - 45 Deg.C, discharging: -20 Deg.C - 60 Deg.C
● Storage temperature: 1 year: -20 - 25 Deg.C, 3 months: -30 - 45 Deg.C
● Life: Over 2000 times charge and discharge cycle life



Brand: Keeppower
Type: Battery
Battery: 26650
Rechargeable: Yes
Protected: No
Voltage(V): 3.7V
Suitable for: Flashlight,PDA

Dimension and Weight

Product weight: 0.09 kg
Package weight: 0.15 kg
Product size (L x W x H): 6.7 x 2.6 x 2.6 cm / 2.64 x 1.02 x 1.02 inches
Package size (L x W x H): 8 x 4 x 4 cm

Package Contents

Package Contents: 1 x 26650 Battery

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Customer Reviews

5 out of 5
  • 7
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  • randomice
    Real battery capacity
    Battery purchased for use with flashlight Ultrafire F13 (
    In comparison with the adapter and three AA batteries the flashlight has gained a new life :)
    The capacity was measured on the charger Opus BT C3100 V2.2 -- 4199 mAh. The battery capacity corresponds to the declared
    Happy with the purchase
    Not found yet

    Nov 26,2015

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  • Nikola
    KeepPower 4200mAh 26650
    As always perfect cell from Keeppower, came in perfect condition with Sweden post. Precharged to 3,69V . Thanks GB team!!!

    Jul 14,2015

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  • Dmitriy
    KeepPower 4200mAh
    Классные литиевые аккумуляторы, живут очень долго, питают высокоамперным током. Своей цены стоят

    Apr 25,2018

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  • Oscar
    Very good IMR battery
    genuine battery, works great for direct driving led flashlights for crazy output
    when tested for capacity on my opus bt c-3100 @1A I got 4493 mAh.
    none really

    Dec 01,2015

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  • Pieman
    Quality of a KeepPower
    Reliability of a KeepPower.
    Great capacity.
    Value for the price.

    Jul 20,2015

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  • Aks
    Very good battery life and good wrap.

    Feb 25,2016

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  • Andrei
    KeepPower 4200mAh 26650
    a quality battery wich came realy fast via sweden post
    no cons at all

    Nov 17,2015

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