I asked this because I got a pair of Energizer rechargeable batteries but after a couple of months, I misplaced one of the pair. Since I have a charger that requires at least two batteries to operate, I was unable to charge my single battery. So I bought another pair of batteries but this time, its brand is Eneloop. Now I can charge the Eneloop batteries but is it possible to still use the Energizer batteries using one Eneloop battery. I thought of it since they both have the same rating (2000mAh). Thanks!

Look for the appropriate battery
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http://www.nikon-battery-charger.com/