Duratrax Onyx 230 AC/DC Advanced Charger w/LCD A super-small, lightweight built-in AC power supply is great for cramped pit spaces, and easy portability Fully adjustable charge currents from 100mA to 7 amps, with an auto-trickle function for NiCd and NiMH packs A precise constant-current / constant-voltage charge algorithm safely fills lithium-polymer (LiPo), lithium-ion (Li-Ion), or lithium ferrite-phosphate (LiFe) batteries! A custom peak detection system loads NiCd and NiMH batteries full of power. Peak sensitivity can be adjusted to tail