Price:
People are viewing this right now
Battery Capacity(mAh): ≥8000mah
Brand Name: JAYOWADE
Certification: CE,UL
Compatible Brand: Apple iPhones
Function: Power Case
High-concerned chemical: None
Material: Plastic
Origin: Mainland China
NOTE:
Portable Battery charger case has two regular standard of capacity , one is the battery capacity, one is the rated capacity.
Why exist this difference?
The most important reason is the conversion rate. Because most of power bank's battery voltage is 3.7V, and power bank needs to increase the voltage to 5V when charging the mobile phone, which making the power bank's conversion efficiency only 3.75/5=74%, Also include generated heat when battery voltage boosting, and various of wire consumption, Electricity and self-consumption. these points add up to account for 30%-40% of the power of the mobile power source.