Replacement battery fits 6 Shenke compatible models. Specifications: 1400mAh, 7.4V, Li-Polymer. Compatible with: SK-500I Infusion pump, SK-600I Infusion pump, SK600i, SK500i, SK-500ii Infusion pump, SK500ii. Replaces: Shenke AEC703466. Shenke replacement battery designed for Medical devices. Dependable performance you can count on.