Current Price: $139.95
Buy It Now Price: $139.95
Bids: 0

Celestron Powertank 17 12v Power Supply

Celestron SKU: 18777 | Helix SKU: CT18777


Take your telescope anywhere with this portable, rechargeable power supply. Enjoy extended observing and imaging sessions worry-free with 17 amp-hours of power in one convenient package. Use the included removable red flashlight while your eyes are dark-adapted to find accessories and reference star charts. When your session is over, the powerful LED spotlight illuminates your observing area so you can pack up quickly and safely, without leaving anything behind.

The extra large PowerTank 17 is more than just a telescope accessory; it’s also an essential assistant on your next outing. You can use PowerTank to charge drained electronic devices with a cigarette lighter adapter. PowerTank also comes with a built-in siren and AM/FM radio for emergencies.

Be prepared for stargazing and emergencies alike with PowerTank 17!

PowerTank Lithium Pro Compatibility List

Will power any computerized mount

  • 17 amp-hour power supply for your Celestron telescope
  • 2 x 12V DC output car jack socket
  • Built-in AM/FM Radio and Siren
  • Built-in (2) USB ports for charing portable devices
  • Removable red filtered flashlight with magnetic back
  • Energy efficient LED spotlight
  • Handy jump-start system
  • Built-in circuit breaker for safety
  • Cigarette lighter adapter included
  • Switchable 110v-220v AC adapter


Battery Capacity
204 Wh

Charging Input
15VDC @ 1500mA

Charge Time (from flat)
20 hours

Telescope Power Port

Car Battery Adapter Port
12VDC @ 10A, Tip Positive

USB Charging Port 1 Output
5VDC @ 1.5A

USB Charging Port 2 Output
5VDC @ 1.5A

Light Panel
White LED spotlight and red lensed LED flashlight


Telescope Power Cord
10 ft (3 m) long car battery adapter


Product Dimensions
14" x 13" x 5.5"

Product Weight
17.5 lbs

Included Items
Battery pack| AC mains charger| Car battery adapter cable

Filed under: Eyepieces & Accessories