- Tips
- technology
- Frequently Asked Questions
- Tests
- mAh capacity
- Rated Capacity
- comparison
- everActive
- Batteries vs rechargeable batteries
- Accumulated energy
- Durability of rechargeable batteries
- Efficiency of rechargeable batteries
- battery voltage
- 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
For many the best – CR123 Panasonic lithium batteries – disappearing from the market in 2026? Test of a direct replacement.
As many of you know, consumer batteries from the Panasonic brand have become difficult to obtain in existing sales channels due to disruptions at the distribution levels by the end of 2025. Therefore, the availability of batteries from this brand in Poland and other EU countries has become uncertain ...
2026-01-13
How to understand the different mAh capacity values in the specification of a battery or accumulator?
It often happens that when analyzing the technical data of a battery we are interested in, we see, for example, 2 different capacity values expressed in milliampere-hours - mAh. Where do these differences come from? What is typical capacity, minimum, maximum, nominal, rated? ...
2022-05-11
What is the actual capacity of the everActive 9V Lithium+ Professional Line Li-ion battery - 500 mAh or maybe 1000 mAh?
The modern everActive battery, which is the equivalent of a typical 9V block battery, has a declared capacity of 500 mAh, but the inquisitive will notice that it consists of two Li-ion cells with a capacity of 500 mAh each.So shouldn't the total capacity of this battery be set at 1000 mAh? ...
2021-09-30
LR6 AA alkaline batteries - why is the capacity [mAh] [Ah] not or is given very rarely in the case of disposable (non-rechargeable) batteries?
We are used to comparing the value of capacity, expressed in milliampere-hours [mAh], which is given in virtually all commercially available batteries.However, on disposable batteries, in particular typical LR6 AA, LR03 AAA batteries, specialized batteries, or those dedicated to hearing aids, such i ...
2021-07-20
We choose PowerBank! How to compare the capacity and usability of your power bank? What does the capacity of a power bank really mean?
Powerbanks are devices that have achieved great popularity in a few years. Manufacturers outdo each other by adding new features to devices, increasing their power, increasing their capacity, etc. The mentioned capacity of the powerbank is the main criterion for users according to which they choose ...
2021-06-24
Great test of 9V batteries, comparison of technologies: alkaline vs Ni-MH vs Li-ion, which is the best?
This time in our lab, we decided to thoroughly test the capabilities of block alkaline batteries, Ni-MH rechargeable batteries, and Li-ion in the 9V size (the designation for the alkaline battery is 6LR61). The test involved measuring capacity, energy, and recording discharge curves at currents of 5 ...
2020-12-15
How long to charge rechargeable batteries and other rules for using Ni-MH rechargeable batteries
If we want to replace disposable batteries with Ni-MH rechargeable batteries, it is worth following a few rules that will allow for the full utilization of the capabilities of the new cells. Adhering to a few simple principles will enable you to optimally, economically, and ecologically use your re ...
2019-05-30
What are the differences between a 1.2V Ni-MH rechargeable battery and a 1.5V alkaline battery?
This is a question that arises very often in our daily work.
It is generally believed that Ni-MH batteries cannot replace disposable batteries due to their lower voltage. However, this applies only to certain devices - usually those with low power consumption and typically in configurations where ba ...
2019-04-26
The real capacity of Ni-MH batteries. Did you know that...
Every European manufacturer is obliged to provide reliable information regarding the capacity of batteries.The technological maximum limit of currently achievable capacities for Ni-MH batteries is about 1100 mAh for R03/AAA ('small batteries') and about 2700 mAh for R6/AA ('regular batteries') - alt ...
2018-12-03
Showing: 1 - 9 from 9
Show on page
Previous page Next page



![LR6 AA alkaline batteries - why is the capacity [mAh] [Ah] not or is given very rarely in the case of disposable (non-rechargeable) batteries? LR6 AA alkaline batteries - why is the capacity [mAh] [Ah] not or is given very rarely in the case of disposable (non-rechargeable) batteries?](/img/event/medium/pojemnosc-mah-w-bateriach-jednorazowych-dlaczego-nie-jest-lub-jest-podawana-bardzo-rzadko-w-oficjalnych-specyfikacjach-i-kartach-katalogowych.jpg)




