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NKTECH Portable E3s 4-Slot LCD External Power Bank 18650 Battery USB Charger Box For HUAWEI iPhone Samsung SONY HTC Android Cell Phone E3 Upgrade

Product ID: B01BKS0JAG Condition: New

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Product Description

This is a DIY 18650 Mobile Power Bank Box. You can put 1 to 4 18650 batteries into the slot. Therefore, you can determine the capacity of the mobile power bank.
Provides extra backup power to all devices that supports USB charging. E.g. For iPhone, Android (Such as Samsung, HuaWei), tablets, MP3 players, GPS units, 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 circuit and battery reverse polarity protection.
Reverse protection, don't worry about the wrong battery positive and negative. battery reverse does not affect the other correct battery.

Features:
Provides extra backup power to all devices that supports USB charging, E.g. For iPhone, Android (Such as Samsung, HuaWei), tablets, MP3 players, GPS units, etc. This unit takes 1-4 replaceable UNPROTECTED 18650 li-ion batteries to power and recharge your USB devices.
Power bank can be recharged via micro USB port.
Charging management protection.
Processing monitoring protection.
Reverse battery protection.
Over temperature, over currency, over voltage, over discharging and short circuit protection.
After place or replace batteries, please charge the power bank to activate the output circuit.
LCD displays battery power and USB ports status.
Uses 1-4 Pcs 18650 rechargeable lithium batteries (Not included).
Back light LCD showing the capacity of each battery, charging status and on/off status.
Sliding cover to facilitate battery replacement.
A mix of 18650 Li ion cells of different brands and different capacities can be used, without the problem of battery balancing. Flat top or button top 18650 batteries both can be used in this power bank.
With switch button.
With battery capacity indicator and output indicator.
Capacity (mAh): Replaceable 18650 Mobile Power Bank.
Special Functions: Dual USB Outputs, Replaceable 18650 Battery Mobile Power Box.
Connection Type: Two USB Output Interface, One Micro USB Input Interface.
Battery type: Li-ion Battery.
Input: DC 5V/0.5-2.1A.
Output: DC 5V/1A, 5V/2A.
Package included:
1 x NKTECH E3s Power Bank Box (Not Included Battery).
1 x USB Cable.