Yes, some power bank models with 18650 battery it can be used spring loaded instead of soldered contacts. Below is an inside picture for your reference:

1. If phones don't have Qi wireless charging, it isn't a problem. Just insert a receiver in your phone charging port as below, then you can use Qi wireless charger freely.2. If you don't want to do above, you can use cable to charge as a common power bank.

What Should We Do If Power Bank Not Charging Situations:Firstly, check the power bank whether are kept in abnormal temperatures. If yes, it could be “cooked”Secondly, if it was discharged improperly fast, it could have broken.If you are recharging it in hot ambient temp...

This is a common mistake make by most of the people. For rough calculation of the total charge time, kindly use this formula. REAL CAPACITY * conversion rate * phone battery health / phone capacity = total charge times. EXAMPLE: 12000 x 0.8 x 0.8 / 1500 = 5.12 charge times (0.5-1 times plus minus) * Note that the calculation is based on normal condition whereby the power bank or device (phone/ tab...

We recommend power bank with 2A output to charge tablets. While some tablets can accept lower input (1A or 1.5A), the charging is slower and sometimes can only be charged when the tablet is in sleep mode. Some tablet’s cables might not be compatible with power bank due to different cable chipset design. So we recommend using the cable and connector meant for power bank.

Battery CapacityCommon sizes of power banks range from 2000mAh up to 26000mAh or even larger. Larger capacity means more power and more recharges for your iPhone 8 Plus or iPhone X, but bigger body size. Therefore, choosing a suitable battery capacity is most important. iPhone 8 Plus has 2691mAh battery. And iPhone X’s battery capacity according to rumors will be 2715mAh. You can decide to refer t...

Battery HealthYou have to know what battery health is before you charge iPhone 7 for the first time. Battery health is the current condition of itself at any time and is usually shown as a persentage. Battery health affect the battery life directly. Everybody wants to keep the battery as long as possible. The fact is whichever battery is, the battery wears down along with use.Battery health can be...

Efficiency more efficient power bank is, a lower operating temperature it will have, which wastes less energy for a longer life expectancy.Over Current Protection it prevents too much power going into the battery pack and the power going out to the connected equipment, protecting the delicate circuitry of both devices. Over Voltage Protection it protects both the power bank and the connected ...

Register Your DeviceSome power banks require you to register your purchase, by providing the serial number either online or via a helpline. This is a good way to activate your returns policy and to ensure your product is not a counterfeit. Check the WarrantyManufacturer, country of origin and the type of battery may mean differences in the type or duration of the warranty. If you are unsure, check...

This is not about which one will fit in your pocket or your purse. The size of the battery is about the power inside. Most power banks will feature a number on the front that tells you the number of mAh or “milliamp-hour”.Common sizes range from 2,000mAh up to 10,000mAh or even 26,000mAh. Bigger numbers mean more power and more recharges for your smartphone, or charging for bigger devices that nee...

All of our batteries we used for power banks are A grade Li-ion or polymer battery, to promise you a safe, stable charging environment and lasting battery life.

Yes. All of our power banks chargers have below protections:a.Li-ion polymer cell abandon the possibility of explodingb.Short-circuit protectionc.Over-current protectiond.Over-charging protectione.Over-discharging protectionKeep away from fire. Don't use around flammable gas.power bank charger power bank back up battery for iphone