Monday, 17 February 2014

TopCraft Ultra Alkaline from Aldi: unbeatable value but limited capacity

Battery information

Test results

Manufacturer
TopCraft
Cost per battery
0.25 €
Model
Ultra Alkaline
Format
AA
Energy cost
Chemistry
Alkaline
Compare Alkaline batteries
Cost per Ah
0.17 €
Origin (e.g. store)
Aldi
Cost per Wh
0.14 €
Buy online
n/a
Performance
Capacity (mAh)
1,460 mAh
Capacity (mWh)
1,759 mWh
Internal resistance
210 mOhm
Self discharge
?

Our conclusions

  • Limited capacity
    This battery has much less capacity than any other disposable alkaline battery I tested so far. It has a third less than the Duracell Ultra Power (but is so much cheaper).
  • Lowest cost
    This is the cheapest battery I have found so far. The battery is so cheap, no matter how little energy it delivers, it will always be cheaper than other disposable alkaline batteries.
Bottom line:
this battery is so cheap it actually makes sense to buy it for cases where you need disposable batteries and don't care about the capacity such as presents (if you're cheap ;-), temporary use during holidays... or you need an alkaline battery (long shelf life) for a device you never use but want to be ready for use just in case (and don't care about capacity). Unless you fall under these cases I strongly recommend using a NiMh battery instead.

Benchmark data

Number of discharges
2
Testing period
10/02/2014 - 10/02/2014