BATTERY PACKS" Battery pack chargingThe supplied BP-194 BATTERY CASE includes rechargeableNi-Cd batteries* and can be charged approx . 300 times.Charge the batteries before first operating the transceiver orwhen they become exhausted.If you want to be able to charge the batteries more than 300times, the following points should be observed :1 . Avoid overcharging . The charging period should be lessthan 48 hours.2. Use the batteries until they become completely exhaustedunder normal conditions . We recommend battery chargingjust after transmitting becomes impossible .*Not supplied with some versions ." Charging precautionsNEVER attempt to charge dry cell/alkaline batteries. This willcause internal liquid leakage and damage the battery caseand transceiver .NEVER connect two or more chargers at the same time .Charging may not occur under temperatures of 10°C (50°F)or over temperatures of 40°C (104°F)." About battery packsO Operating periodDepending on installed battery pack (batteries), the operatingperiod of the transceiver varies . Refer to p. 39 for operatingperiod details.O Battery lifeIf your batteries seem to have no capacity even after beingfully charged, completely discharge them by leaving thepower ON overnight. Then fully charge them again.If the batteries still do not retain a charge (or very little), newbatteries must be purchased.Recycling information (USA only)The product that you purchased contains arechargeable battery. The battery is recyclable . Atthe end of its useful life, under various state andlocal laws, it may be illegal to dispose of this battery into themunicipal waste stream . Call 1-800-8-BATTERY for batteryrecycling options in your area or contact your dealer.