Replacement battery for Automate 7857A. Specifications: 70mAh, 3.7V, Li-Polymer. Compatible with: Automate 7857A, Viper 7857V, 7857X, Python 7857P. Replaces: Automate JFC301819, Viper JFC301819, Clifford JFC301819, Python JFC301819. Clifford replacement battery designed for Remote Start and Entry Systems devices. Built to OEM specifications for reliable performance.