Anker Helpdesk

(battery capacity(mAh)/1000*3.7) / (input current*input voltage) * 1.5= charging time (h) e.g: How long will the Astro 5600mAh battery can be fully charged ...

Approximately 30-40% capacity of all batteries is lost in circuit heat and voltage conversions. Thus the battery is able to supply 60%-70% power to other de...

Yes. Batteries with a capacity lower than 27,027mAh (100-watt hours) can be taken on board airplanes legally and safely.  However, government and ...

Our batteries could be used in approximately 400 circles. The performance of the battery will begin to decline after 300 circles. After 300 cycles, the cap...

Charging technologies: 1, Power IQ (1.0): only charges the non--quick charge devices such as iPhone faster than the original wall charger. If the device su...

For laptops: Normally, we do not suggest customers use a battery to charge laptop. To check the compatibility, we have to know the charging parameter (volt...

When recharging, the battery will get a little hot due to heat radiation, voltage conversions ect. But if you feel it is extremely hot when touching, it see...

There is a physical feature of a normal USB-C port to charge a device which will have the Anker battery to drain the power from the device to be charged dur...