14.8V, 3400mAh, Li-ion Battery fits Edan, M3, M3a Vital Signs Monitor, 50.32WhBattery Fits Models: M3, M3a Vital Signs Monitor, Se 1, Se 1 Ecg, Se 1 Ekg, Se 100, Se 12 Express, Se 1200, Se 3, Se 300, Se 300a, Se 300b, Se 300g, Ve 100, Ve 300 Battery Part Numbers: Hylb 102 This battery should be the same or greater capacity than the original battery. The battery shown will replace your original and provide you with an economical alternative to expensive OEM batteries; we also guarantee the battery to be fresh and free from