How long do you charge AA batteries?

AA rechargeable batteries typically take about 4 to 8 hours to fully charge, depending on the charger and battery capacity. It's important to use a charger designed for the specific type of rechargeable AA batteries, such as NiMH or NiCd. Always refer to the manufacturer's guidelines for optimal charging times to ensure safety and battery longevity. Avoid overcharging, as it can reduce battery life.