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K4 Li-ion rechargeable battery charger for 18650/21700/18650/16650…

* Intelligent Li-ion Battery Charger
* Brand: Keeppower
* Part No.: K4
* Input: 5.0V—2.0A
* Output: 4.20V—0.5A/1A/2A (For Li-ion Rechargeable battery)
1.48V—0.5A (For Ni-MH Rechargeable battery)
* Compatible with
Li-ion Rechargeable Batteries: 26700/26650/26500/21700/18650/18500/18350/17650/17500/16650/16340/14650/14500/14430
Ni-MH Rechargeable Batteries:
AA/AAA/A/SC/C/F6

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  • Description
  • Charger Safety Tips/Caution
  • Power Bank Safety Tips/Caution
  • Reviews (0)
Description

1. Type: 4-slot Li-ion Battery Charger;
2. Part No.: K4;
3. Input: DC 5.0V 2.0A;
4. Output:
4.20V—0.5A/1A/2A (For Li-ion Rechargeable battery)
1.48V—0.5A (For Ni-MH Rechargeable battery)
5. Compatible with:
Li-ion Rechargeable Batteries:
26700/26650/26500/21700/18650/18500/18350/17650/17500/16650/16340/14650/14500/14430
Ni-MH Rechargeable Batteries:
AA/AAA/A/SC/C/F6
6. Track charging status via the indicator lights.
One LED— 6%-25%
Two LED— 26%-50%
Three LED— 51%-75%
Four LED— 76%-100%
7. Charged by USB power adaptor, laptop, power bank, etc;
8. Designed by KeepPower, Assembled in China.

Charger Safety Tips/Caution

● Press the button once to switch charging current.
● “Err” means battery polarity reverse.
● Charging time: In the first 60 seconds, charging time is measured
in second. Over 60 seconds, charging time is measured in minute.
● 0.5A charging current: Recommend for Li-ion battery 18350/16340/14650/14500/14430/10440.
● 1.0A charging current: Recommend for Li-ion battery 26650/18650/18500/17670/17500/16650.
● 2.0A charging current: Recommend for Li-ion battery 26650 and 18650.
2.0A is available only when there is 1PCS battery is being charged.
● Remove the battery when fully charged.

Power Bank Safety Tips/Caution

1. Misuse, dropping or excessive force may cause product damage.
2. Make sure the Power Bank is fully charged prior to use.
3. The battery should be charged at least every three months to avoid shortening the battery life.
4. DO NOT store the Power Bank in hot or humid environment.
5. When it is hot, do not leave the Power Bank in a car or other place that is exposed to direct sunlight.
6. DO NOT dispose of Power Bank in heat or fire.
7. DO NOT wash the Power Bank with corrosive cleaner.
8. DO NOT squeeze or puncture the Power Bank so as to avoid electrolyte leakage of lithium-ion battery.
9. DO NOT use a damaged cable or power charger to charge the Power Bank.
10. Keep it away from children.

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    • Menu
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    • Classic Protected Batteries
      • 14430/14500/14650
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      • For FPV drone and UAV
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    • High Capacity Cells
      • 18650
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      • ≤3C
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      • ≥8C
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    • Home
    • PRODUCTS
      • New Products
      • Classic Protected Batteries
        • 18650
        • 21700
        • 26650/26800
        • 14430/14500/14650
        • 16340/16650/RCR123A
        • 18350/18500
        • Protected High Discharge/R Series
        • Low Temperature Batteries
        • Others
      • USB Protected Batteries
        • TYPE C
        • Micro USB
      • High Discharge Batteries
        • 18650
        • Others
      • Keeppower Selected Cells
      • Customized Battery Packs
        • Li-ion 18650 Battery Packs
        • Li-ion 21700 Battery Packs
        • Other Li-ion Battery Packs
        • Hydrofoil Surfboard Batteries
        • Sonar/ROV/AUV/Robot Batteries
        • Prismatic Battery Packs
        • LiFePO4 Battery Packs
        • For FPV drone and UAV
      • High Capacity Cells
        • 21700
        • 18650
        • Others
      • High Discharge Cells
        • ≤3C
        • 3C-8C
        • ≥8C
      • Chargers/Power Banks
      • Accessories
        • Connectors
        • PCM
        • Battery Cases
        • Battery Spacers
        • USB Adapters
        • USB Cables
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