How long does a power bank battery last?

A power bank battery usually lasts 3 to 5 years. Its lifespan is influenced by the type of cells used, often 18650 cells. Most power banks support 500 to 800 charge cycles. Additionally, factors like how you use the power bank and the temperature around it can affect its overall battery performance and lifespan.

How long does a 20000 mAh power bank last?

For example, 20000mAh power banks have up to 500 charging cycles. You have to charge a phone 6 times for the 20000mAh power bank to complete a charging cycle. If you use it once per day, it will take up to 8 years for a 20000mAh to complete all its charging cycles. However, the power bank has to be from a trusted brand.

Why do power banks last so long?

This can be due to the rapid consumption of charge-discharge cycles in smaller-capacity power banks and potential durability concerns with lower-quality construction. With large battery capacity, high-quality power banks can endure much longer.

How to extend the life of a power bank?

To extend the life of a power bank, it's essential to follow certain guidelines, such as: Avoiding overcharging and deep discharge: It's recommended to keep the power bank charged between 50% to 80% to prevent overcharging or completely draining it to 0%, which can reduce its lifespan.

When should I replace my power bank?

The reason you have to replace your power bank after 3-5 years is its battery. Power banks, just like any other rechargeable battery has a certain number of charging cycles. High-quality power banks have up to 600-1000 charging cycles, while low and medium-quality power banks have 300-500 charging cycles.

How long do power banks hold charge?

How long power banks hold charge is decided by battery's inherent self-discharge rate, a natural mechanism in all rechargeable batteries. Self-discharge rates vary from 2% to 10% per month, depending on power bank quality and capacity. Generally, a power bank stays charged for around six months.