Celestron Elements PowerTank Go
- Portable power supply with extra-large 7800 mAh battery charges smartphones, tablets, MP3 players, and many other USB-powered devices
- Extremely durable and rugged outer housing makes PowerTank GO crushproof and shockproof
- Water and dust resistant with a Ingress Protection rating of IP-65
- Ergonomically design fits easily in your pocket or pack
- LED flashlight with four modes: low light, high light, flashing, SOS
