🔋 Tenergy TN136 4 Bay 9V Smart Charger Bundle with 4 Pieces High-Quality Tenergy Premium 9V NiMH Rechargeable Batteries Review

REPLACE SINGLE-USE BATTERIES - Tenergy 200mAh NiMH 9V household batteries has 4 premium rechargeable batteries. An ideal replacement on any standard 9V size batteries or disposable everyday 9V alkaline batteries for smoke detectors/alarms, digital cameras, toys, TENS unit, guitar pedal/pickup, walkie-talkies, medical devices and much more electronic devices. Dimensions of our standard size 9V rectangular battery is 48x26x16mm (H x L x W). RELIABLE PERFORMANCE - Power your outdoor devices all year long in any season. Tenergy 9V batteries deliver optimal performance in the winter when temperatures are as low as 14°F (-10°C) or in the summer when it's as high as 122°F (50°C). Recharge the premium 9V cells with an incredible cycle life up to 1000 times. ADVANCED SAFETY PROTECTIONS - This 9V smart charger for rechargeable 9V battery has a built-in safety timer (5 hours) protecting the batteries from overcharging. Trickle charging will occur when complete to ensure the 9V NiMH battery stay fully charged. Managed by a Microprocessor Control Unit (MCU), each individual bay has integrated circuit and polarity protection with - delta V detection. EASY TO USE IN ANYWHERE - The charger has four independent charging channels with independent LED lights to show when each volt 9 battery is charging or complete. Worldwide voltage 100V ~ 240VAC 4-slot charger allows you to use these everyday 9V batteries anywhere. TENERGY PROTECTED - Buy with confidence, both your 9V batteries and NiMH 9V charger include 12-month warranty.