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- mAh capacity
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- Batteries vs rechargeable batteries
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- LR03 AAA
- LR6 AA
- eneloop
- AG13 LR1154 LR44
- CR 2032
- Delta V
- Charge Cycles
- internal resistance
- charge level
- memory effect
- accredited test
- SR44 357
- Hearing Batteries 675
- SR626 377
- Watch Batteries
- Polarity
- Mah
- passivation
- LS 14250
- LS 14500
Slow or fast charging of a phone or smartwatch? What impact do we have on the charging speed (and lifespan?) of Li-ion batteries in smartphones, etc.?
A large number of charging standards, standard chargers, slow, fast, Quick Charge, Power Delivery, PPS… It is easy to get lost in the current technologies for charging mobile devices, but it is worth knowing the basic principles of operation as well as the impact of the charger used on the performan ...
2023-10-10
Are my rechargeable batteries already worn out? How to assess the condition, state, and age of the rechargeable batteries I own?
The problem is complex, and the answer is of interest to both users and sellers who are dealing with complaints submitted by their customers.
We will try to help all interested parties on this topic. ...
2023-09-19
The higher the capacity of the battery, the better?...not necessarily
When choosing rechargeable batteries, the main criterion for our customers is capacity, possibly brand, and of course price. It has become established that the higher the capacity of such a battery, the better. Such batteries are also clearly more expensive than potentially weaker/less capacious cou ...
2023-09-19
Another great study on the performance of batteries and accumulators? - beware of the 7 deadly sins committed by testers. When is a test reliable/valuable? Check out our cheat sheet.
On the Internet, we can find a large number of tests of batteries and accumulators. Practically every few weeks we can come across a new news item, video, or mention of further tests. Often, the winner of one ranking performs very average or even poorly in other tests. What causes such a large discr ...
2023-01-25
AA, AAA rechargeable batteries and other Ni-MH, Li-ion 18650 batteries and similar - how to interpret the capacity and the number of charge cycles specified in the specifications
When we buy a battery with a capacity of 2600 mAh and a specified number of charge cycles of 500, we are convinced that with occasional use, we will be able to enjoy its maximum performance for many years. The stated capacity values and the number of charge cycles are often treated as guaranteed and ...
2022-10-03
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