LiPo Transmitter Battery (7.4V/2800mAh) (MT-4, MT-4S, M11X, M12, M12S) PTK-5164
ProTek R/C 2S – 7.4 Volt, 2800mAh Li-Poly transmitter battery pack.
This battery has been developed specifically for the Airtronics MT-4, M11X and M12 transmitters. This light weight Li-Poly transmitter battery will help to reduce the overall weight of your transmitter, which is great for long main events! The overall weight will be significantly reduced when compared to a typical NiMH transmitter pack as this battery weighs a scant 105 grams! (Six typical NiMH AA batteries weigh approximately 168 grams). This battery will not only reduce the weight of your transmitter, you also get an incredible 9 to 10 hours of run time!