Thunder Power Receiver Pack 4000mAh 7.4V 2 Cell Li Poly 2s 4000 Lithium Polymer Battery
$99.99 At Amazon on 10-29-2008.
Thunder Power Receiver Pack 2s 4000 PR Lithium Polymer (Li Poly) batteries are perfect for replacing your old NiMH or NiCd receiver pack. LiPolys not only perform well, they are also safe. We recommended using the 1010C charger with these packs. Always follow the recommended safety guidelines when charging LiPo batteries.
