We will have some questions when using power bank without reading user manual. So we had to read using instructions before use. If have problems, take it easy. Look the frequently asked questions below:
1: Charging long time, but the power bank is still not full, what is the reason?
A: The charging time is not only related on the charger output current to power bank, but also related to the power bank capacity. Charger output current constant, higher mobile power capacity require longer charging time; Similarly, same power bank capacity, charger output current is smaller, the charging time will be longer.
2: If it is bad for mobile phones if we charge it using power bank?
A: No, as long as it is quality power bank. Quality power banks are carefully designed, and there are multiple protection, it will not affect phones.
3: No response when we charge the power bank, no lights on.
A: you can continue to charge it, after a while, the light will on;If that doesn't work, you try using the following methods:
(1) change a cable;
(2) if the charging device is overloaded, using another interface to charge;
(3) power bank quality problems, ask your sellers to change;
4: If the hot is normal when charging?
A: power bank when charging or discharge, the energy is in the conversion process, a slight hot is normal. If the hot level is too high, please disconnect all interfaces and stop using immediately, then contact your seller.
5: How to calculate the charging times for mobile phones?
A: many people directly simply calculate according the power bank capacity and the mobile phone capacity, it is incorrect. Mobile phones or other digital products batteries’ voltage usually is 3.7V, after charged full is 4.2V, and power bank nominal voltage of the built-in lithium-ion battery is 3.7V, full is 4.2V too. Power bank with the voltage range can not directly to charge the mobile phone battery.
1: Charging long time, but the power bank is still not full, what is the reason?
A: The charging time is not only related on the charger output current to power bank, but also related to the power bank capacity. Charger output current constant, higher mobile power capacity require longer charging time; Similarly, same power bank capacity, charger output current is smaller, the charging time will be longer.
2: If it is bad for mobile phones if we charge it using power bank?
A: No, as long as it is quality power bank. Quality power banks are carefully designed, and there are multiple protection, it will not affect phones.
3: No response when we charge the power bank, no lights on.
A: you can continue to charge it, after a while, the light will on;If that doesn't work, you try using the following methods:
(1) change a cable;
(2) if the charging device is overloaded, using another interface to charge;
(3) power bank quality problems, ask your sellers to change;
4: If the hot is normal when charging?
A: power bank when charging or discharge, the energy is in the conversion process, a slight hot is normal. If the hot level is too high, please disconnect all interfaces and stop using immediately, then contact your seller.
5: How to calculate the charging times for mobile phones?
A: many people directly simply calculate according the power bank capacity and the mobile phone capacity, it is incorrect. Mobile phones or other digital products batteries’ voltage usually is 3.7V, after charged full is 4.2V, and power bank nominal voltage of the built-in lithium-ion battery is 3.7V, full is 4.2V too. Power bank with the voltage range can not directly to charge the mobile phone battery.
Power bank must step up the built-in lithium-ion battery voltage to the required charging voltage automatically through its smart circuit, usually it is 4.2V-5V, it will loss some capacity during the step-up. And the circuit , the connectors, the cables will waste some capacity too, so power bank output capacity is not so high than the built-in lithium-ion battery capacity.
From www.jlwpower.com
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