inputs.text: great battery uusb dc - like nt batteries great one usb fine since use charge htc shift lot unfortunately imp1000 uses barrel connector charging need usba barrel cable nt provides one pretty cheap use small rectangular 21a charger retractable ac prongs usba barrel cable lots better quality ntsif want two usb outs nt makes similar 12000mah battery proper uusb dc like imp1000 not already imp1000 suppose would bought 12000