Features * LiPo powered, providing higher power output versus NiMH glow drivers * Switching power transfer (low heat dissipation) * LED indicator light allows users to detect if the glow plug is good or not * Includes a 1S 1200mAh Li-Po battery and charger * Fits all glow plugs * High-technology regulator, output voltage is 1.5V * 2.5mm DC Jack, Center pin positive charge hole