2 in1 E5 LCD Display Rapid Smart 18650 Battery Charger & Mobile Power Bank

Charge:
1. Only suitable for 18650 lithium-ion rechargeable battery (3.6V/3.7V).
2. Different capacity batteries and different brands of batteries can be mixed charging.
3. With and without protection of the battery can be used. power bank with protection settings, without the protection of battery is recommended.
protection board of some protected battery sets the current too low, set discharge protection of high voltage (charge and discharge protection less than 3A). When discharging, the battery will protect themselves, the cause cannot be used. Protection Board also consumes power.
4. Each battery slot is an independent channel, insert any number of batteries can be charged.
5. Place the battery.
Battery (18650) has been marked as positive and negative: positive and negative directions in accordance with the battery compartment into the 18650 battery, Spring connect the negative pole of the battery, hardware connect the battery positive.
Non-marked positive and negative battery 18650 Battery: The battery hardware protruding part is positive, the other side is negative.
The battery is flat on both sides. Positive is the bare metal of the smaller side. negative is the bare metal parts of an area larger than that
Positive-negative in one direction, and cannot be used.
6. This power bank case has reverse charging protection, power bank case and batteries will not be damaged if insert the batteries reversed,If all the batteries are reversed, the display screen will not appear. if only a part reversed, the display screen of the corresponding slot show battery symbol is empty, there is no electricity, you need to remove the battery as soon as possible and then reinsert.
7. Backlight: insert the battery, in order to save electricity, turn off the backlight automatically after about 12 seconds. When the mobile power charging display backlight does not turn off.
8. When battery charging, the battery symbol 5 inside lined all displayed as has been fully charged.
9. The battery is fully charged and stop charging automatically, batteries can be continue placed on power bank case.

Discharge:
1. Connected to charging equipment, power bank starts charging automatically, do not need to open key.
2. Backlight: When the mobile power discharging display backlight does not turn off.
3. Button: long press button to turn off power, long press button again to turn on the power.
4. The output current is too large: When charging two devices, sometimes the LCD screen will continuous disconnect indication, if it is charging the phone, the phone will start charging frequently.  This is for 2 devices output current is too large, power bank case automatic protection. Just unplug the USB charging cable, charge only one device can be reused.
5. All the batteries reversed, power bank will not discharge. if only a part batteries reversed, the display screen of the corresponding slot show battery symbol is empty, and if other batteries placed correctly have power, power bank will still discharge. but you need to remove the battery as soon as possible and then reinsert.
6. When power bank is the end of discharge, it will turn off by itself, you need to charge in time.
7. Low capacity battery, even if display power or full power. When discharging, will cease to charge devices soon.
Batteries are fully discharged, took out the battery and on hold some time for using again, LCD screen display with electricity. At this time to recharge will stop charging equipment soon, this is because the LCD shows the voltage of the battery, but not the capacity of the battery. Fully discharged battery capacity is low, so will stop charging soon.

Button:
Tap to open backlight,  Long press the power button to turn off, Long press power button again to turn on.

Batteries:
Only for 18650 lithium ion battery (3.7V), it does not support AA or AAA alkaline batteries (1.5V) nickel-metal hydride batteries (1.2V)and 18650 lithium iron phosphate battery (3.2V).

High resistance: 
when charging and discharging the battery, if the internal resistance of the battery is high, the temperature will rise quickly and the battery will be fully charged soon. it also will stop discharge soon when discharging, it is recommended that replace batteries.

Capacity:
The low capacity battery will be fully charged and discharged soon, it is recommended that replace batteries.

Battery capacity indication:
Part of the battery discharging time is very short, even marked capacity is very high. This is a false mark for capacity, you need to replace the battery.