Grin Technologies Cycle Satiator, Universal Charger

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2.2.5. Cable Resistance
The Satiator uses the resistance of the charging cable in order to account for cable losses and
estimate more precisely the voltage at the terminals of the battery pack. The default value of
0.086 Ohm is correct for the included 1m charge cable, but if you lengthen or shorten the leads,
or replace them with heavier gauge wire, then the cable resistance should be adjusted
accordingly.
If the cable resistance is set too high, the Satiator may charge the battery to a higher voltage
than intended. Too low a value (or zero), will simply result in a longer time spent in the constant
voltage part of the charge termination. If in doubt when using any cable other than the one
supplied, it should be set to 0.00 Ohm to avoid damaging the battery.
2.3. Connect to PC
The
Connect to PC
option in the Setup Menu allows you to put the Satiator
into bootloader mode. This prepares the Satiator for computer
communications either for installing new firmware or updating the charge
profiles from the Satiator Setup Utility software suite. Once the Satiator is
in bootloader, it is waiting for instructions from a computer connection and
is no longer responsive to button presses. You must remove power from
the Satiator and restart it to return to regular operation.
Bootloader mode can also be accessed by pressing and holding the lower button while the
Satiator is being powered on, and the OLED display will remain blank rather than showing the
splash display. This method is essential if an interruption during the firmware transfer leaves the
Satiator only partially updated, and you can no longer navigate the setup menu.
3. Charge Process with Multiple Profiles
With more than one profile active, care must be taken to make sure that the correct output mode
is selected when charging a pack. The selection behavior depends whether or not a profile has
been set as default:
3.1. No Default Profile
Without a default profile, the Satiator will start up in the profile selection list. You need to scroll
through the active profiles and select from available options the appropriate charge for the
battery.
Figure 19:
Screen will
go blank on entering
bootloader mode