Amazon Basics Rechargeable AA NiMh Batteries with 4 Bay Battery Charger, UK Plug, Black, 4 Count (Pack of 1)

Battery and Charger Bundle: Includes 4-bay rapid battery charger (ONLY for NiMH batteries), 4-pack of AA 2000mAh batteries

LED Light Indicator: 1) Battery is charging: LED blinks slow. 2) Battery is fully charged: LED is solid white. 3) The charger detects an error (defective battery or alkaline battery): LED blinks fast. 4) Every time the charger is connected to power all LEDs power up and power off in a quick sequence.

Long Battery Life: Pre-charged and ready-to-use rechargeable batteries can be recharged up to 1000 times

Low Self-Discharge: Batteries maintain 80% capacity for up to 12 months

Fast-Charging: Fully charges 2 AA within 3.5 hours, 4 AA within 7 hours; 2 AAA within 2 hours, 4 AAA within 4 hours

Intelligent and Safe Charger: Plug-and-play charger with LED indicators. Charges each battery individually. Latest battery detection technology indicates wrong polarity, prevents overheating and overcharging (turns to trickle charge when battery is full)

Travel-friendly Charger: slim and lightweight

In the Box: UK AC Plug Charger, no cable. 4 rechargeable AA batteries