Venom pre-assembled NiMH Sub-C cells for use w/ 1/10 scale R/C vehicles is also great for electric airplanes. Offers 50%+ longer run times verses 2000mAh packs. Great for endurance racing. Higher average voltage means more power verses NiCd packs. NiMH cells have no discharge memory so there is no need to deep discharge them by shorting out the cells. This damages the cells. No need to be recycled, NiMH cells are environmentally friendly.

Charger: Having Negative DeltaV or Zero DeltaV Peaking capabilities
Discharger: Having capabilities to properly discharge batteries