EC21 Product Catalogs - 36 volt ni-mh battery pack http://www.ec21.com/ec-market/36 volt ni-mh battery pack.html Lithium Polymer Battery Packs http://davidparkinsun.en.ec21.com/Lithium_Polymer_Battery_Packs--4030844_4030865.html Lithium Polymer Battery Packs Model No. Volt. Capcity Dimension Wt.App. Impedance mAh T(mm) W ( 0.5mm20091226 Electric Bike Conversion Kithttp://xuming9188.en.ec21.com/Electric_Bike_Conversion_Kit--1031910_3283064.htmlBatteries: Different battery pack(voltage system) for different motor, SLA, Ni-MH, Lion-poly battery pack available Cha20090223 DEWALT DC800KL 36V Impact Wrench Kithttp://toolspalace.en.ec21.com/DEWALT_DC800KL_36V_Impact_Wrench--3157253_3323600.html36V high performance battery pack provides long run-time and battery life Preferred rocker switch design for fast and e20090122