Introducing our compact lithium battery with a storage capacity of 1.000 mAh. Encased in a sleek and durable aluminium case, this lightweight battery is designed to conveniently attach to your keys with its keychain feature. Perfect for on-the-go, it serves as an emergency backup battery to charge your phone up to 50% when you're running low on power. Equipped with a USB output of 5V/1A, this versatile battery can be used with any mobile device, offering universal compatibility. Its 5V/1A input ensures quick and efficient recharging. Not only functional, but also stylish, this battery is crafted with attention to detail and its compact size makes it easy to carry in your pocket, bag, or purse. Make it yours by personalizing it with your name or initials. This personalized feature adds a touch of uniqueness to your battery, making it stand out from the crowd. Stay connected and never be caught without power again with our compact lithium battery, designed to keep your phone charged anytime, anywhere.