Lambow DTXP4191 Duratrax Onyx 110 AC/DC Peak Charger for 4-8 Cell NiCD or NiMH RC Battery Packs Small enough to fit in a shirt pocket, and priced right for budget-conscious buyers. Great for electric RC car or boat enthusiasts, with an intelligent peak detection design that automatically fills NiCd/NiMH packs safely. Selectable 1A, 2A and 4A charge currents with an auto-trickle function ensure fast, customizable charging. Auto-start function with status LED simplifies set-up. Backup safety timer automatically prevents accidental overcharging.