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Is it safe to mix different batteries
- Sep 12, 2018 -

For the sake of saving money, some people may replace only one of two batteries used in a device. Is it a correct way to prolong the service life of batteries? The answer is definitely "No."

If the two batteries are of the same brand, what will probably happen? The fresh battery delivers a large current, into the almost dead battery which has a high resistance. This results in excessive heat in the dead battery, causing damage to both batteries and the device.

If different brands of batteries are mixed, because of different technologies used, they will probably be undermined and their service life is shortened.

If different types of batteries are used together, inconsistencies in technology, material, and property will lead to unexpected consequences such as overheat, explosion, and fast discharge.