Charging batteries before use, Removing the battery from the proflex 800, Charging the battery – Spectra Precision ProFlex 800 Backpack User Manual
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Charging Batteries Before Use
Make sure the battery is fully charged for each ProFlex 800 
you will be using in the field.
Follow the instructions below to charge a battery.
Removing the
Battery from the
ProFlex 800
Unless the battery has already been taken out, do the 
following:
• Open the battery trapdoor, accessible from above the
ProFlex 800, by lifting and then turning the quarter-turn 
finger screw anticlockwise. This releases the two springs 
located under the battery, pushing the battery slightly 
upward (see picture). 
• Grab the battery and take it out of the compartment.
Charging the
Battery
The battery charger comes with a separate universal AC 
adapter fitted with a 1.5-m output cable. The AC adapter 
includes a choice of four different, detachable plug types. 
Follow the instructions below to operate the charger.
• Choose the plug type that is suitable for your country.
• Secure that plug on the AC adapter.
• Connect the cable from the AC adapter to the battery
charger.
• Give the battery the right orientation with respect to the
charger [1] (the battery terminals should come into 
contact with the two sets of connectors on the charger), 
then push the battery against the plate and slide it forward 
[2] until it locks into place. 
