Celestron Lithium PowerTanks

Power smart devices, telescopes, and any other USB-compatible technology with these Celestron Lithium PowerTanks. Each of these Celestron Battery Chargers are made to last for ages, providing up to 2000 charge cycles per device which is significantly longer than other portable chargers. Best of all, these Celestron Portable PowerTanks don’t contain any toxic metals, making them completely environmentally friendly. The uncharged shelf life of this device is 10 years compared to the 3 years offered by lithium battery products. Stay charged on-the-go to ensure your gadgets never power down with these Celestron 18771 PowerTanks.