Product Specifications Power Supply Specifications
TM80 Telemetry Monitor Operator’s Manual A - 3
A.3 Power Supply Specifications
A.3.1 TM80
The battery life listed below may be shortened by the following factors:
■ Wireless signal interference
■ Aging battery
■ Frequent operation of turning on/off the display
■ Wireless network coverage which does not meet the technical specifications in
"Wireless Specification" on page A - 6.
Battery type
AA batteries (three)
Rechargeable lithium-ion battery (one)
Capacity for lithium-ion
battery
≥ 3500 mAh
Charge time for lithium-ion
battery
At the room temperature: ≤ 5 hours to 90% charge
Safety and authentication
for lithium-ion battery
UL2054, IEC62133, UN38.3
Battery run time
(at 25 °C ±5 °C, with display
off, no sound and light as
default, no alarms, display
lit for one minute every two
hours, using L91 AA batter-
ies (PN 0146-00-0077-10)
Three AA batteries Lithium-ion battery
5-lead ECG ≥36 hours ≥36 hours
5-lead ECG+SpO
2
≥28 hours ≥28 hours
Shutdown delay
At least 10 minutes after the low battery alarm first occurs.
At least five minutes after the critically low battery alarm first occurs.
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