... .no memeory effect 3.UL,CE 4.professional workers lithium ion batteries for sale 2000mAh 3.7v 3.7v Lipo battery ... battery pack,high capacity battery LiPo Battery for PortableAdvantage of lithium ion batteries for sale 2000mAh 3.7v :1.Long cycle life ... RC helicopter battery, Wireless transmitter battery, Wireless receiver battery, RC car battery, RC boat battery, RC airsoft gun battery, powerdriven tools ...