Milwaukee M18 FUEL 18V Lithium-Ion Cordless Brushless QUIK-LOK String Grass Trimmer with 0.095 in. x 250 ft. Trimmer Line 2825-20ST-49-16-2713 - The Home Depot
Got tired of my 1st Gen String Trimmer overheating from continuous use, so I added an M12 powered ATI Graphics card fan to keep the motor and voltage regulator cool! IT MOVES
Milwaukee M18 FUEL 18 V Lithium Ion Cordless Brushless String Grass Trimmer 8.0Ah Kit with Pole Saw, Hedge Trimmer, Edger 2825-21ST-49-16-2718-49-16-2719-49-16-27 - The Home Depot