Ultralast UL4AAK Charger with 4 AA NiMH Long Lasting Rechargeable Batteries

The Ultralast UL4AAK rechargeable batteries are designed to deliver maximum power and longevity and UltraLast Speed Charger charges batteries in 1.5 hours or less. Battery chemistries include Ni-MH for the longest running with highest mAh. UltraLast rechargeable batteries offer savings of up to $500 per battery when compared to a disposable alkaline.