About this Emergency Keyring Power Bank 1000 mAh:

• This is about as small of a power bank you can find. Not much bigger than a Bic lighter, this UL Certified power bank has the power to charge most phones up to 50% charge. That's all you need in a pinch. The real value of this power bank is its tiny size. It easily fits into any pocket or on your keyring without an issue. Now you don't have to lug around a huge power bank to feel secure about having enough charge...
• 1000 mAh rechargeable lithium polymer battery.
• USB port delivers 1A output.
• Sleek aluminum finish with attached keyring.
• Very small physical size (about the size of a Bic lighter).
• Seamlessly fits into any pocket or on keychain.
• *UL Certified Safety US MH60484.
• Material: Aluminum.