Replacement battery fits 9 XTOOL compatible models. Specifications: 7200mAh, 7.4V, Li-Polymer. Compatible with: i80 Pad, Langren I80, PS80, X7, EZ500, PS80E and 3 more compatible models. Replaces: XTOOL PL3769124 2S. XTOOL replacement battery designed for Engine Fault Code Reader devices. Built to OEM specifications for reliable performance.