F-920 Instruction Manual rev. 6-6-2016
1554 NE 3
rd
Ave, Camas, WA 98607, USA
4
Phone: (360) 833-8835
[email protected]
www.felixinstruments.com
Operating Instructions
WARNING: Spring-loaded battery cartridge
Loading the Battery
The F-920 uses 18650 Li-ion 3.7V
3100mAh rechargeable batteries. For
longer lifespan, charge the batteries at
0.25A. For a faster charge, charge at
1A. The batteries must be removed
from the F-920 to be charged. If the
batteries of the F-920 discharge during
storage, replace with charged batteries.
The Li-ion batteries have little self-
discharge and a lifetime of ~ 3 years.
To remove the batteries, twist the
battery compartment cap, located on the bottom of the case.