152 Charging and caring for batteriesRemoving the battery from the charger■ Desktop charger and multicharger: Lift the battery/radio out of the charger.■ Vehicle charger: Pull the release bar up, and thenlift out the battery.You can remove a battery/radio from the charger atany time without harming the battery, the radio, or thecharger. When you return the battery/radio to thecharger, charging is automatically resumed. You canalso leave a battery/radio in the charger oncecharging is complete.Maintaining battery life andperformanceWith proper care and maintenance you will maintainthe performance and life of the battery. It isrecommended that you:■ Use only Tait batteries and chargers.■ Do not expose a battery to very high or very lowtemperatures for extended periods of time. Doingso will shorten the service life of the battery.Very high: above 140 °F (60 °C)Very low: less than –4 °F (–20 °C)Warning The operating temperature range for IS andNI radios in hazardous locations is –4°F to +104°F(–20°C to +40°C).■ Charge the battery at a room temperature ofbetween 50 °F and 77 °F (between 10 °C and25 °C). This temperature range is the optimalcharging range.■ Store batteries properly when not in use.See "Storing batteries" on page 153.