GP Batteries is a major battery supplier and it has just launched what it claims is the world’s fastest NiMH battery charger. The Recyko Charge 10 charger can simultaneously recharge up to four ...

One major brand, for instance, sells a pack of eight single-use batteries for $22 and rechargeables (with charger included) for $30. If you recharged the batteries just once, you’d save money.

Features of the charger include programmable charge current up to 25mA, a single-cell 1.5V battery charge voltage with ±0.5% accuracy, charge status indication and an onboard safety charge termination ...