For really heavy duty applications, the BAT features a 4" diameter round blade driven by two 3.6 volt rechargeable battery cartridges for a cutting capacity of up to 7/8" of tough, thick materials such as vinyl, canvas, and carpet. The BAT includes four batteries (two used in the knife while active and two as spares for recharging) and two two-port chargers, allowing additional sets of batteries to be charging while the tool is in use.

3-1/2 pound working weight including batteries. 850 R.P.M. 7.2 volt output. 6 hour charge time.