Tenergy 9V Battery Rechargeable 4PCS NiMH Battery Charger Review

STANDARD 9V BATTERIES - Ideal replacement for the everyday 9V battery; the standardize 9V size batteries works better than disposable 9V alkaline batteries for smoke detectors/alarms, digital cameras, toys, TENS unit, guitar pedal/pickup, walkie-talkies, medical devices and other high drain electronic devices. Dimensions of our 9V rectangular battery is 48mm x 26mm x 16m (H x L x W). MONEY SAVING & ECO FRIENDLY - Being one of the most cost-effective batteries, Tenergy 9V cell rechargeable batteries recharges up to 1000 times and will eventually pay for themselves after 10 cycles. By reusing batteries, you are reducing your carbon footprint and the waste caused by one time use 9V battery. Switch over. Save. Reuse. Recharge with Tenergy. PREMIUM CHARGER - Tenergy TN141 NiMH 9V Smart Charger is a high-performance charger for 9V rechargeable batteries. The compact and foldable wall-outlet design is discreet and not obtrusive like most of the household 9V battery chargers on the market. ADVANCED SAFETY PROTECTIONS - This 9V smart charger for rechargeable 9V battery has a built-in safety timer (5 hours) and will automatically shut off the device after charging. Trickle charging will occur when complete to maintain the life of the 9V NiMH battery. Managed by a Microprocessor Control Unit (MCU), each individual bay has integrated circuit and polarity protection with -delta V detection. EASY TO USE ANYWHERE - The charger has two independent charging channels with independent LED lights to show when each volt 9 battery is charging or complete. Worldwide voltage 100V ~ 240VAC 2-slot charger allows you to use these four 9V NiMH batteries anywhere.