OPTI+ 3.5V Handle Li-Ion Battery model

The Lithium Ion Power Handle’s new Lithium Ion technology powers any of Welch Allyn's 3.5 V instrument heads for 120 minutes twice as long as the conventional handle.

With an updated, ergonomic design and weighing only 4.4 ounces, the handle is more comfortable for any size hand.

Electrical Specifications

Charge Time
= 3 hours

Discharge Time
= 3 hours

Operation mode
Intermittent, on-time should not exceed 2 mins with off-time not less than 5 mins

Electrical Safety
Complying with EN60601-1
EN60601-1-2
Protection: Internal electrical power source

Environment requirements

Operation
Environment Temperature +10 C - +35 C
Relative Humidity 30% - 75%
Atmospheric Pressure 700 hPa - 1060 hPa

Shipping
Common Conveyance

Storage
Environment Temperature -40 C - +55 C
Relative Humidity 10% - 90%
Atmospheric Pressure 500 hPa - 1060 hPa