Porten Electronics Technology from China have sent some information about the batteries they produce:
Dear Sir, This is Porten Electronics Technology Co,Ltd in China. Glad to hear that you’re in the market for batteries. We specialize in this field for several years.Products contain NiMH battery,single Li-po and Li-po battery pack, which used for RC model and electric guns. part of our products used for electric guns as follows:
Li-po 1500mAh 11.1V 15C (152mm*34mm*96mm);
Li-po 850mAh 7.4V 20C (112mm*20mm*96mm);
Li-po 1100mAh 7.4V 15C (100mm*20mm*12mm);
Li-po 1300mAh 11.1V 25C (75mm*34mm*20mm);NiMH 2/3A1200 8.4V;
NiMH 4/5A2000 9.6V;
NiMH 4/5SC2200 8.4V;
NiMH SC2400 9.6V, Etc.Here are two pictures for your reference,
Price is competitive. Should you have any question, pls do not hesitate to contact me. Happy to service for you!
Best regards, Eileen (Porten Electronics Technology Co,Ltd.)