This dumb little battery trick tells you if it is actually lifeless
When your distant management offers up the ghost or your child’s favourite toy stops working, you’re usually confronted with the query: Did the batteries die or is the machine faulty?
A dead-simple, splendidly nifty take a look at gives a fast and dependable method to test the precise cost state of a battery, maintaining you from rashly discarding good batteries or shopping for new ones unnecessarily.
Additional studying: test your laptop computer’s battery well being
Battery full or flat? This straightforward take a look at reveals it
All you want for this take a look at is the battery you need to test. If out there, have a brand new, totally charged battery prepared to match the outcomes. That is the way it works:
- Be sure you have a flat and agency floor, akin to a desk, in entrance of you.
- Drop the battery vertically onto the floor from a peak of about 20 centimeters (roughly 8 inches).
- Pay shut consideration to how the battery hits the floor and the way it behaves afterwards: A totally charged battery normally suggestions over and stays put. An empty battery, alternatively, usually bounces again just a little and bounces up a number of centimeters.
Why? Alkaline batteries include a gel-like substance that absorbs the impression when totally charged. When the battery is flat, this substance dries out and hardens, making the battery extra more likely to bounce again.
Lengthen battery life with these 4 suggestions
- Swap off gadgets appropriately: Be sure you change gadgets off utterly when they don’t seem to be in use. Even in standby mode, some gadgets can proceed to devour vitality, which places pointless pressure on the batteries.
- Take away batteries: If you’re not utilizing an equipment for an prolonged time period, take away the batteries utterly. This not solely prevents vitality loss, but in addition protects towards battery leakage, which might injury the equipment.
- Keep away from excessive temperatures: Don’t retailer batteries in locations with excessive or very low temperatures. Excessive chilly or warmth can impair the chemical processes within the batteries and shorten their service life.
- Use batteries of the identical sort: Don’t combine outdated and new batteries in the identical equipment and keep away from combining batteries of various manufacturers or varieties (akin to alkaline and NiMH). Completely different voltage ranges and discharge charges can have an effect on efficiency and scale back the service lifetime of all batteries used.
Additional studying: Does quick charging harm your telephone battery?
This text initially appeared on our sister publication PC-WELT and was translated and localized from German.

