Icom IC-R20 Instruction Manual - Page 22
Caution, Battery charging - charger
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2 BATTERY INSTALLATION/CHARGING ■ Caution D Battery caution CAUTION! NEVER short the battery terminals. Current will flow into metal objects, so be careful when placing battery pack in handbags, etc. NEVER incinerate used battery packs or battery cells. Internal battery gas may cause explosion. NEVER mix old and new batteries. Make sure all battery cells are the same brand, type and capacity. Either of the above may cause a fire hazard or damage the receiver if ignored. D Charging caution Recommended temperature for charging: ±0˚C to +35˚C (; +32˚F to +95˚F) Connect the supplied (or optional for some versions) AC adaptor or optional cigarette lighter cable only when charging the battery pack (BP-206). NEVER use other manufacture's chargers. AVOID leaving the battery pack in a fully charged, or completely discharged condition for long time. It causes shorter battery life. In case of leaving the battery pack unused for a long time, it must be kept safely after discharge, or use the battery for 2 or 3 hours, then remove it from the receiver. If your battery pack seems to have no capacity even after being charged, fully charge the battery pack again. If the battery pack still does not retain a charge (or very little), a new battery pack must be purchased. 9 CAUTION: BE SURE to disconnect the CP-18A/E from the cigarette lighter socket when charging is finished, because, a slight current still follows in the CP-18A/E and the vehicle's battery will become exhausted. ■ Battery charging D Regular charging q Insert the battery pack (BP-206) into the receiver. (p. 8) wPlug the AC adaptor (BC-149A/D*) into an AC outlet; or the optional CP-18A/E into a cigarette lighter socket. * Not supplied with some versions. eTurn OFF the receiver, then insert the adaptor plug into [DC] of the receiver. IC-R20 to [DC] jack Optional CP-18A/E Cigarette lighter cable with DC-DC converter to cigarette lighter socket AC adaptor Turn power BC-149A/D OFF. to AC outlet Charging periods: 8 hours (w/BP-206) RWARNING!: NEVER attempt to charge any other batteries. Because the IC-R20 can charge the BP-206 only.