Publication date: 2018-09-18 18:26
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The difference between Duracell Plus Power and Duracell Ultra Power is more or less negligble. It's only at very high cut-off voltages that the Ultra Power begins to show better performance (giving an overall slightly higher mWh result), but it still doesn't account for the significant cost increase. The in-built battery tester on the Ultra Power is useful &ndash but for nearly the same price of the whole pack, a voltmeter with built in battery tester can be purchased from Maplin.
Please note BitBox Ltd., does not sell, distribute or manufacture batteries, and has no connection with the companies mentioned in these tests.
Zinc cells , which are the cheapest cells you can buy in many stores (and are often marketed as "value for money"), have poor performance and don't represent the best value for money despite the large pack sizes or low individual cell cost. Even in low drain applications, alkalines would likely do better.
Duracell from Poundland (Duracell Standard) are genuine Duracell batteries sold in twin packs but are definitely of lesser performance compared to other Duracell batteries and you would be better off with other discount shop batteries. Duracell SIMPLY , Duracell's budget brand (£ for 9 cells), performed similarly to standard Duracell, so they are likely based on similar technology. However, the standard Duracell costs less.
Kirkland Signature from Costco were the best "supermarket" brand battery we tested in the 755mA test and in the 6555mA test. It appears to be a re-labeled Duracell the negative end-cap is identical to Duracells.
Duracell PROCELL and Energizer Industrial are good batteries for the price and compare to their retail cousins, especially when price is considered. However, they are only available from online resellers in boxes of 65 upwards.
We repeated some of the more surprising results, such as the Ikea and EVOLTA cells and got similar results (usually within 75mAh.) We include the first test of each.
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