The best practice is to charge your battery at room temperature between 40 and 90℉. Anything lower than 40 ℉ and the battery won't charge efficiently, while temperatures above 90℉ can damage it and cause your battery to wear out faster. And if it gets hotter than 113℉, it won't. . According to Power Tool Institute, original manufacturer batteries contain innovative technology to monitor battery health, cell balance, temperature and other critical functions designed to help maintain longer-lasting tools. Only tools, batteries and chargers from the same manufacturer are. . Store power tool batteries in the garage at 20°C to 25°C (68°F to 77°F) for optimal performance and longevity. This range keeps them efficient and prevents chemical breakdown. In cold temperatures below 0°C (32°F), battery capacity and efficiency suffer, leading to slower charging and power output. Follow safety guidelines for cleaning and use. To mitigate these risks, it's essential to follow certain safety tips. . Each battery type has unique charging requirements to maximize efficiency and lifespan. Here's how to charge them correctly: 1. Charging NiCd and NiMH Batteries Use a charger specifically designed for NiCd or NiMH chemistry. Avoid overcharging; remove the battery once it's fully charged. For NiCd. . Ever wondered if the temperature around your tool batteries impacts their charging performance? This video explains the critical role ambient temperature plays in optimizing your battery's lifespan and charging efficiency. Discover key insights about tool battery charging: ► Understanding how. .