Test/review of Tronic AA 2300mAh (Silver-Black)

[size=+3]Tronic AA 2300mAh (Silver-Black)[/size]



Official specifications:

• Voltage: 1.2V
• Capacity: 2300mAh
• Low self discharge (LSD): 75% after 1 year

Maximum temperature raise at different discharge currents: 1A:+1,9°C, 2A:+5,2°C, 3A:+8,8°C, 5A:+16,2°C, 7A:+22,3°C, 10A:+26,5°C

A fairly cheap brand of LSD batteries.











These curves do not trace fairly well, especially not at higher current.
Note: I had a glitch on my test station when testing the A cell at 0.1A, that is the reason for the early termination.



On these curves it is a bit easier to see that the A cells is bad at higher current and it cannot even deliver 5A. The B cells performance is more average.









Here it is very obvious that the internal resistance of the two cells are very different.





[size=+3]Conclusion[/size]

The B cell in my test has about average performance, but the A cell has rather poor performance.
If the batteries are used in fairly low drain devices this will not be a problem, but the batteries are not good in high current devices (Anything that can run them dry in less than 1-2 hour).


[size=+3]Notes and links[/size]

The batteries was supplied by a reader for review.

How is the test done and how to read the charts
Compare to other AA/AAA batteries: Alkaline/NiMH/Lithium

Thanks for the detailed review HKJ. I want to add that Tronic also has a 2400mAh version of those Energy Eco which is very bad, in Maha they register 1200-1400mAh tops, all the batteries. I have been using these 2300mAh in LED lights (AA to NP-F adapters), 6 batteries altogether and they perform very well. For the price I can't complain, neither I would feel sad if I accidentally over discharge them. After 2 years in such use they have shown some decline in capacity (about 100-200mAh) but again, for the price I cannot complain; job is done and they still perform.

Great review as usual , I have a few dozen of these battery and they all test at over 2200mah at 0.2C so not bad at £2.99 for a pack of 4, though they are only rated for up to 1000 cycles.

At least Tronic battery are better than there NEW chargers, I had 3x lcd Tronic battery chargers go BANG when i turned on the power with the battery`s installed, no wonder they were only £9.99 each.

I lost hope in the new lcd chargers and bought three 7 year old led model never used from eBay and they work great, and don't feel like they are going to blow of the bench.

John.

Lidl is opening store`s in the USA this month.

https://www.lidl.com/

John.

Looks like the discharged capacity at 100ma may needs a correction??



John.

TinderBox (UK) said:

Looks like the discharged capacity at 100ma may needs a correction??

Click to expand...

That is a bit problematic, it looks like my discharge was terminated premature (Look at the 0.1A curve for the A cell).
As a fix I have duplicated the values from the B cell, this is not completely correct, but it is more correct.