Replacement battery fits 6 Bionet compatible models. Specifications: 2600mAh, 11.1V, Li-ion. Compatible with: BM3, GIMA BM3, GIMA BM3 Plus, GIMA BM5, BM3 plus, BM5. Replaces: Bionet LS1865L220 3SIPMXZ, Bionet BM-BAT-4. Bionet replacement battery designed for Medical devices. Manufactured to exact OEM specifications.