Celestron 12V 3A PowerTank Lithium LT - 18763
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Power Your Telescope for Up To 8 Hours
with the Celestron PowerTank Lithium LT!
Power your telescope anywhere with the PowerTank Lithium LT, the smallest and lightest lithium-ion power pack Celestron makes. This 12V power supply is a must-have for your telescope and accessories, camping gear, emergency kit, and more.
Stable Power Designed with Telescopes in Mind
The Celestron PowerTank Lithium LT is built with Lithium Nickel Manganese Cobalt Oxide [LiNiMnCoO2] or NMC technology, which delivers a steady charge over long periods and requires less maintenance than a traditional sealed lead-acid battery.
Unlike other lithium-ion power packs in this price range, the PowerTank Lithium LT was designed for astronomers by astronomers—specifically for the unique needs of computerized telescopes.
As many amateur astronomers have learned the hard way, telescope electronics are very sensitive to voltage. Powering a telescope with lower-than-optimal voltage can cause the motors to strain with heavier loads and can even cause the electronics to glitch. The Celestron PowerTank Lithium LT uses a built-in voltage regulator to ensure that it delivers at least 11.8 volts for most of the life of the battery, until the battery is depleted and shuts off.
You may see competitor batteries claiming that they hold enough watt-hours of electricity to power your telescope for hours. The technology in these batteries was originally developed to power much lower-voltage electronics, such as home CPAP machines. Although the voltage actually being delivered starts off at 12V, it diminishes rapidly, impacting your telescope’s performance and becoming functionally useless within about 2-3 hours.
OUTPUT CURRENT FOR TELESCOPE: 12V DC @ 3A
OUTPUT FOR USB DEVICES: 5V DC @ 1A and 5V DC @ 2.5A
Celestron’s telescope engineers worked hand-in-hand with battery suppliers on PowerTank Lithium LT to ensure that it does not experience this dropoff in performance. The built-in voltage regulator ensures a stable 12V output for up to 8 hours, regardless of the amount of charge left in the battery. This keeps your telescope’s electronics safe and performing their best, so you can focus on astronomy.
Specifications for the Celestron PowerTank Lithium LT
Power Supply
| Battery Capacity | 73.3 Wh |
| Charging Input | 16VDC @ 2000mA |
| Charge Time (from flat) | 4 hours |
| Telescope Power Port | 12V DC @ 3000mA, voltage regulated, 5mm/2.1mm tip positive jack |
| Car Battery Adapter Port | None |
| USB Charging Port 1 Output | 5V DC @ 2100mA |
| Auto Shutoff Threshold Current | Less than 250mA for 4 hours |
| Operating Temperature | -40°F - 140°F (-40°C - 60°C) |
| Light Panel | None |
| Weatherproof/Dustproof | No |
| Telescope Power Cord | 6.5 ft (2 m) with connector for Celestron telescopes |
| Strap | 2" wide hook & loop strap for attachment to tripod leg |
| Product Dimensions | 190.5mm x 101.6mm x 50.8mm (7.5" x 4" x 2") |
| Product Weight | 1.4 lbs (.63 kg) |
| Included Items | Battery pack (Lithium nickel cobalt manganese, Li(NiCoMn)O2) | Telescope power cable (2m/6.5 feet long) with 5.5mm barrel connectors | 60mm wide strap for tripod leg | AC charger |