12V 4.84lbs
The Home Depot
M12 FUEL 12-Volt Lithium-Ion Brushless Cordless 1/4 in. Hex Impact Driver Compact Kit W 2.0Ah Battery and Bag
Amazon
M12 FUEL 12-Volt Lithium-Ion Brushless Cordless 1/4 in. Hex Impact Driver Compact Kit W 2.0Ah Battery and Bag