About this replacement
Designed for Schiller America, Grason Stadler, Welch-Allyn devices. Compatible models include 300 Vital Signs Monitor, 420 Vital Signs Monitor, 53NTO Vital Signs Monitor, 53OTO Vital Signs Monitor, VSM 53000, VSM 300, VSM 53NTP, VSM 53STP, VSM 530TP, VSM 530T0, VSM 53N00, VSM 53S00. Replacement part numbers include B11400, 7170-2, 501-0015-01, OM11277, MED0023, 5300-101, AS11277, B11277, 4200-84, B11453, 4500-84. Key specifications: 6V, 5000mAh, Sealed Lead Acid.