SKIL PWRCore 12 Lithium 4.0Ah 12V Battery - BY519801 is a SKIL battery listed at $44.99. Model BY519801.
Longer Run Time & Battery Life-Industry leading PWRCORE 12 lithium battery technology wraps each cell with cooling material to keep the battery powering on for 25% longer run time and 2X battery life.
Power On The Go-Plug in to the battery's USB port wherever, whenever with PWRASSIST Mobile Charging.
Always Know Charge Status-Green LEDs show charge status with after-glow.
