Baxter Sigma MB-55075 Replacement Battery for Baxter, Sigma Spectrum Infusion Pump $44.00 This Artisan Power battery is 100% compatible with the Baxter Sigma Spectrum Infusion Pump model numbers 35083, 35162, 35700, 35724 and the Wireless Module 55075-2. The battery's 2000 mAh capacity is... Add to Cart