GUXON guide title card: how to care for a power bank and extend its life

A power bank is a permanent fixture in most people's bags. But how you use and store it makes a real difference: treat it properly and you will get noticeably more life out of it, and better charging performance along the way.

Here are six habits worth building.

1. Keep it in the middle of its charge range

Avoid leaving a power bank sitting at either extreme. A long spell below 10% risks deep-discharge damage to the cells, while leaving it plugged in at 100% for long periods accelerates ageing.

If you are storing it rather than using it, aim for 40–60% charge. That keeps the cells stable and the unit healthy.

2. Keep it away from heat and cold

Lithium cells are sensitive to temperature. Long exposure to heat — a car in the sun, direct sunlight — or to freezing conditions will degrade the battery faster and can cause it to behave unpredictably.

Use and store it at normal room temperature, roughly 15–25°C, out of direct sun and away from damp.

3. Cycle it occasionally, even if you are not using it

A power bank left untouched for months can drift into deep discharge, which affects the cell structure.

Run one full charge and discharge cycle every three months if it is otherwise sitting idle.

4. Use a proper charger and cable

A certified charger and cable of the correct rating keeps the input current stable and avoids overvoltage, overheating and other risks. Cheap, uncertified gear can shorten the life of the power bank or damage it outright.

Stick to the original or a certified charger and cable.

5. Protect it from knocks and pressure

The casing is tough, but the cells inside are not. Drops, impacts and being crushed in a bag can cause hidden internal damage that only shows up later as a safety problem.

Carry it in a sleeve or pouch and keep heavy objects off it.

6. Keep it dry

Moisture getting inside can cause short circuits, corroded contacts and cell degradation — poorer performance now, and a higher chance of failure later.

Keep it out of bathrooms, kitchens, damp floors and wet grass. If it does get rained on or splashed, stop using it immediately and dry it thoroughly before anything else.

A few extra notes

  • Charge a new power bank fully before its first use.
  • If you notice swelling or unusual heat, stop using it straight away and contact us.
  • Buy a power bank that carries proper safety certification. It is the single most important check you can make.

An iWALK pocket power bank resting on a wooden desk beside a smartphone

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