Motorola SL7000/7000e Series: SL7550, SL7580, SL7590, SL 7550e, SL 7580e, SL 7590e,SL500 SL500e SL8050. Third, Pull Down the Bottom, and Put the Battery In it. This Will Lock the Battery in Place. Safety Cut Out Circuit,Built-in Protection Circuit Prevents Overcharging.
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