Thunder Power RC TP535C 1-5 Cell LiPo, 0.5-3.5 Amp DC Charger with Communication Port for TP205/210V Charges 1-5S (3.7-18.5V) Li-Po Packs at rates from .5-3.5A LED indicators for Current Rate; Cell Count and Charge Status Data port communicates with Thunder Power 25 and 21 balancers for added safety and performance Compact; lightweight design with durable aluminum case Adult supervision is required