The 2969 battery charger is a fully featured NiMH-only charger. It features exclusive Traxxas innovations that make charging batteries easier and safer than ever with 2-amp charge current for fast charging and advanced peak detection to optimize every charge. Charges 5-7 cell (6 V - 8.4 V) NiMH batteries only. Never attempt to charge a LiPo battery with a NiMH-only charger