Photo 1 of Celestron - PowerTank Lithium Pro Telescope Battery – Rechargeable Portable 12V Power Supply for Computerized Telescopes – 17 hour capacity/ 158.74Wh - Red/White LED Light - 2 USB Ports, Black(18768)

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Photo 1 of Celestron - PowerTank Lithium Pro Telescope Battery – Rechargeable Portable 12V Power Supply for Computerized Telescopes – 17 hour capacity/ 158.74Wh - Red/White LED Light - 2 USB Ports, Black(18768) Photo 2 of Celestron - PowerTank Lithium Pro Telescope Battery – Rechargeable Portable 12V Power Supply for Computerized Telescopes – 17 hour capacity/ 158.74Wh - Red/White LED Light - 2 USB Ports, Black(18768) Photo 3 of Celestron - PowerTank Lithium Pro Telescope Battery – Rechargeable Portable 12V Power Supply for Computerized Telescopes – 17 hour capacity/ 158.74Wh - Red/White LED Light - 2 USB Ports, Black(18768)