| By eliminating the tower cell that resides in the post of clip-on batteries, this slide-on battery keeps all cells on an even playing field. This prevents premature failure of the battery due to one cell taking more abuse from charging and discharging than the others. The 2.0 amp hour capacity provides more power and longer run time. It fits Porter-Cable 9876 and 9878 14.4-volt drills, 9877 hammer drill and 879 flashlight. |
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