Primedic M290 M250 Rechargeable Li-ion Battery Original New Date Product Description model M290 M250 Battery Type Rechargeable Li-lon Battery Voltage 13.2V Capacity 2.5ah Batteries core brand PRAY-MED Warranty 12 months Product Overview SB-671P is a rechargeable replacement battery for Nihon Kohden patient monitors. It provides reliable backup power during power interruptions and patient transport for bedside and emergency monitoring. Key Features Model: SB-671P, 9.6V,