Here is a smart food scale that pairs with your iOS or Android device to help you measure your food ingredients. It has a rechargeable battery that lasts up to 100 hours. Just put your food on the scale to record your data using your smartphone or tablet. The device can weigh up to 5000g and has a high precision strain gauge sensor at 1 gram resolution.
The Reflex Smart Food Scale is compatible with iOS and Android devices. It requires 4 AAA batteries to work. Sets you back $99.95 at this time.