Integy Indi Zerothirty-030 Battery Discharger is for almost any NiCd or NiMH battery pack configuration, single cell 4-cell pack, 6-cell pack, saddle packs, on and off-road packs (will not work with stick packs).
Dual cooling fans can be powered by an external 7.2V pack. Bi-polar design (cut-off at 0.0V/Cell) prevents cell reversal. Six replaceable bulbs indicates all cells are discharging. 30A Discharge for almost any cell configuration. Increase Overall Run-time by up to 5%. Increase overall voltage output 1% to 2%. Reduce Internal Resistance Up to 15%.

INCLUDES: One Team Integy Indi Zerothirty Battery Discharger with
internal cooling fans. One pair of leads with banana clips             and alligator clips.

7.2V battery pack