We put all the brands to the test, using a pair of identical Mini-Mag AA flashlights, and found our Gaiam Real Goods NiMH Rechargeables outlasted the top alkaline battery by almost 30 minutes. Despite the TV ads touting advanced technology, alkaline batteries have not gotten significantly better. But rechargeable NiMH batteries, which have always excelled in terms of environmental impact, have pulled ahead when it comes to performance as well as economic return.
A NiMH rechargeable battery delivers 2,200mAh and will do that about 500 times before you throw it away. The best alkalines deliver approximately 1,800 to 2,000 mAh — then they get tossed. We did the math and found 4,000Ah of power costs 1,425 with throwaway alkalines and only 61 with rechargeable NiMH batteries, including charger and electricity.Using a pulse-charging technology that rechargeable batteries just love, the AccuManager 20 Battery Charger will recharge your NiMH, Nicad, or Accucell batteries faster, and better, than any other charger we've ever seen.
You can mix different battery types, sizes, and charging times. After charging, each cell is stored at the peak of readiness with a gentle trickle charge till you're ready for it. Germany. For rechargeable batteries only.
