$20.33

Features:
NKTECH E4c Power Bank can be worked as charger for 18650 as well as power bank, The battery 18650 can be taken out and replaced due its smart design. It is high performance will keep long standby time and remain over 80% capacity left even out of the warranty time.
The smart PCB design will protect the device from the damage of over-discharge, over-charge, over-voltage, over- current, short circuit.
The chip of the PCB with auto-detect technology will help you to use the device correctly.
Provides extra backup power to all devices that supports USB charging, E.g. For iPhone, Android (Such as Samsung, HuaWei), MP3 players, etc.
Can replace and charge for 18650 battery.
4 LED display Capacity.
Protection: over-discharge, over-charge, over-voltage, over-current, short circuit.
Rapid charge.
Capacity: Max 6800mAh (25.2Wh).
Battery Type: Lithium-ion 18650.
Input: DC 5V 1A.
Output: DC 5V 1A (Only).
Charge Tip: micro USB.
Self discharge : 2mAh a day
Case Material: plastic.
Color: White.
Size (L x W x H): 113 x 48 x 27mm.
Battery Specification: 18650.
Discharging and charging protection circuitry built-in.
Rechargeable times: Up to 500 times.
Charge time: 5-7hrs.
Voltage: 3.7V.
Capacity: 3000mAh.
Package included:
2 x 18650 3000mAh Battery With PCB Protected Board.
1 x NKTECH E4c Power Bank Box.
1 x USB Cable.
This is a DIY 18650 Mobile Power Bank Box. You can put 1 to 2 18650 batteries into the slot. Therefore, you can determine the capacity of the mobile power bank.
Output DC 5V 1A. Provides extra backup power to all devices that supports USB charging. E.g. For iPhone, Android (Such as Samsung, HuaWei), MP3 players, etc.
Intelligent power manage IC, overcharge protection, short circuit protection. Charging-in with bundled USB cord, or by charging the batteries with other chargers.
Built in protection against over-charge of batteries, short circuti and battery reverse polarity protection.
The chip of the PCB with auto-detect technology will help you to use the device correctly.

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