The TP-210V is brand new revolutionary 2-10 cells Li-poly balancer from Thunder Power. Balancer works well with new "Pro Lite" line of batteries from Thunder Power. TP-210V can also be used for any other brand of Li-polymer batteries. For those of you that want to retrofit your non TP batteries or older gen batteries, please see the instructions bellow. Also know that warranty might be voided, and that Esprit Model is not responsible for any damage as a result. Balances 2-10 cells Li-Polymer battery packs. More Information (links): * TP-210V Manual (.pdf)