No. Never mix batteries with different best-if-used-by dates in a single device—battery leakage may occur. Replace all batteries in a device at the same time.
No. Never mix battery types—such as include alkaline, heavy duty, and rechargeable—in a single device. Battery leakage may occur.
No. Batteries should be removed from any device that will be stored for long periods of time.
Batteries should be stored in a cool, dry location. Avoid temperature extremes. Keep batteries in original package until you are ready to use them.
Batteries can’t deliver much power when they are cold. You may find that the flashlight kept in your car in the middle of winter casts a faint beam. Let the batteries warm up to normal temperature, and try them again before you decide to replace the batteries.
Alkaline batteries can be disposed in your household waste. Never dispose of batteries in fire, as this could cause an explosion.