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Title: Battery Performance
Review: My son's school science project this year was to test a set of rechargeable batteries. He conducted two tests on Duracell, Sony, Energizer and Lenmar: 1. Long term storage test where the batteries were fully charged and stored for two weeks before measuring the voltage. 2. Capacity test where randomly selected two batteries were fully charged and put on a regular flashlight until a complete discharge happened. The first test was inconclusive. He repeated the capacity test mutiple times and the clear winner was the Energizer NH15BP-4 and the Duracell came in second. BTW, the manufacture's claim on the overall capacity was not even close to the measured capacity. This Sony battery was the last one. It performed consistenly without being overcharged, but the overall capacity was not very good.
