Are you constantly running low on Battery life for your cell phone, and do not have space to carry an extra battery, nor the time to charge two batteries? The Jumpstart Instant Cell Phone Charger is the world's smallest emergency charger, which recharges using your Mobile phone's adaptor (including both the car lighter adaptor and ac wall charger). Giving your 2-bars when you need it the most, such as a flat tire on a lonely highway, or an important business call. And what makes the Jumpstart even more unique is that it stays charged for up to 1-year, so you can charge it and store it for emergency use.