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Celestron PowerTank

12-volt power supply for motorized telescopes

Item #: 87218774

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2 Reviews


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The Celestron PowerTank is built to provide steady operating power for any of their motorized or computerized telescopes. It performs that function admirably, offering outputs for 3, 6, 9 and 12-volt power adapters. When you're out on a camping trip or just trying to get away from city light pollution for an evening, you'll be able to keep your 'scope's powered systems up and running.

In addition, the PowerTank is an all-around safety device worth having in your vehicle permanently. The 7 ampere-hour charging terminal can bring a dead battery back to life so you don't get stranded, and the built-in flashlight will come in handy in multiple situations. Dual 1.5-amp ports on the back can keep your mobile devices fully charged as well.

Product Highlights:

  • 7 ampere-hour rating
  • 3V, 6V and 9V outputs for accessories
  • portable design with built-in battery
  • built-in flashlight with red filter cap
  • two 12V output cigarette lighter ports
  • energy efficient LED spotlight
  • booster terminal on rear side can charge a car battery
  • built-in circuit breaker for safety
  • cigarette lighter adapter included
  • switchable universal AC adapter included (110 V/220 V)
  • 9-5/16" W x 11-5/16"H x 5-1/4"D
  • weight: 8.4 lbs.
  • warranty: 2 years parts and labor
  • Our 60-day money-back guarantee

Celestron PowerTank Reviews

Average Customer Review:

2 Reviews

Celestron power tank

Written by: Luke from Theodore, Ala on July 21, 2014

Crutchfield Customer Review (What's this?)

Excellent device for camping/boating and powering a telescope. Can run a 12v fan / hair dryer and mattress pump. The item can charge your USB devices. Great flashlight red and white light. you can charge the power tank via car 12v system or wall outlet.

Pros: Very portable.

Cons: None

High Quality

Written by: Flyinmech from NE, Iowa on May 1, 2014

Crutchfield Customer Review (What's this?)

This seems like a product everyone could use in many applications. The USB ports will recharge cell phones, MP3 players, etc. at the correct voltage. It has many features to operate any remote needs for power.

Pros: Can perform many various power needs. Very Portable.

Cons: None yet and only time will tell. This seems to be a well thought out project

Hands-on research

What's in the box?

Download owner's manual

  • PowerTank 12-volt power supply with spotlight and flashlight
  • Red filter cap (attached)
  • AC adapter with 6' DC output cord (DC output: 15 volts / 500mA)
  • 4 Electrical plug adapters (US / Euro / UK / Australia)
  • 11.5' Power cord (with cigarette lighter adapter on one end and a DC power plug on other end)
  • Instruction Manual

Product Research


Overview: With the Celestron PowerTank portable rechargeable power supply, you can take your computerized or motor-driven telescope virtually anywhere. In addition, you can power or charge your electronic devices, including your phone, music player, or portable GPS. The PowerTank also includes an emergency light, bright LED spotlight, and booster terminals for starting your car if it has a weak battery. The PowerTank weighs 8.4 pounds.

Built-in Battery: The PowerTank contains an internal 12-volt, 7 Amp-hour rechargeable lead-acid battery. It charges in approximately 8 to 10 hours during normal use, however, the initial charge should be 14-16 hours. The included 110V/220V switchable universal AC adapter has four adapter plugs, including those for the United States, United Kingdom, Europe, and Australia. Four LED battery indicators are provided to show when the battery is Fully Charged, Charging, Needs Charging, or Ready to Use. For safety, the PowerTank has a 10A circuit breaker and a 2A fuse.

Outputs: The PowerTank provides two 12-volt 10-amp cigarette lighter ports, each with a sliding cover. Celestron computerized and motor-driven telescopes are powered through these outputs, using the included 11.5' power cords. (The DC power cords have a cigarette lighter adapter on one end and a barrel-type DC power connector on the other end.) Also included are two Type A USB ports (5-volt, 1.5-amp output) that can be used for charging small electronic devices, such as cell phones, digital music players, and digital cameras. Two screw-type booster terminals are provided on the back that allow you to use the PowerTank as a vehicle starting aid, when the vehicle's battery is partially discharged. It is not designed to start a vehicle with a completely dead battery.

Flashlight/Spotlight: The Celestron PowerTank can be used as an emergency roadside accessory. It has a standard flashlight with a 4.8-volt Krypton bulb with a 3-way push button switch with constant on, flashing, and off positions. It includes a red filter cap that can be used for emergency purposes. The PowerTank also includes a large, powerful spotlight with 30 bright white LEDs. The head of the spotlight can tilt over 90 degrees to one of nine positions.

Storage Compartment: The PowerTank includes a storage area that can be used for power cords and adapters. The compartment is 4.675" x 1.75" x 1" with a hinged door.

Our Product Research Team

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