Voltage / Capacity: 10.8 Volt 6.0 Ah
Original Battery Part Number: M4605A
Dimensions: 149mm (L) x 89mm (W) x 19.7mm (H)
Approx. Weight: 452g
Chemistry: Lithium Rechargable

This Medical Instrument battery is also compatible with the following models 
?FOR Interstate Batteries AMED5086
?FOR R&d Batteries 6139
?FOR Unipower B11634
?FOR 989 8031 31111
?FOR 989 8031 35861
?FOR INTELLIVUE MP70
?FOR M4605A
?FOR M8001A
?FOR M8002A
?FOR MP20
?FOR MP30
?FOR MP40
?FOR MP50

Advice:
1. Pls keep charge fully when you don?t use it
2. Pls run out the capacity, then charge again
3. Must keep dry, balance the temperature
4. Away from the Fire and Power