With Free Shipping from Skypoint Apparatus Celestron PowerTank 7Ah 12Volt Power Supply Suitable for any Celestron computerized telescope. Now you can take your telescope anywhere with this portable rechargeable power supply. Whether you have a computerized telescope or operate your telescope using motors, Celestron specially designed this product with the amateur astronomer in mind -- this model is packed with useful features. Not only useful for setting up and powering your scope, this model can also be useful as an emergency roadside accessory as it includes an emergency light, and booster terminals in place to start weak car batteries. 7-amp hour Two 12V output cigarette lighter ports 3V,6V and 9V outputs for accessories 2 x 5V USB outputs Built-in flashlight with red filter cap 800,000 candle power Halogen emergency spotlight Booster terminal on rear side Built-in Circuit Breaker for safety Cigarette lighter adapter included (it's a long cord to connect the Power Supply to the mount) 110 V/220 V switchable universal AC adapter included