-Windows detects device as “Battery”, no special drivers required **
*MotherBoard ON/OFF control: The device is able to send ON/OFF 'pulse signals' to
motherboard based on coulomb counter and/or battery voltage level, or based on input voltage
level or when starting.
**Windows “no driver support”: Installs itself as a battery in Windows, using the Windows hid
driver without any driver installation, visible as an icon in tray bar.
OPENUPS Connection diagram
Power Input/Output Connectors:
J1: Input voltage,
(4pin mini-FIT JR)
J4: Battery positive (+) and Battery negative (-)
(2 pin mini-FIT JR)
J3: Output voltage
(4 pin mini-FIT JR)
Balancing header:
j6: cells 1 to 5, cell6 already connected to Battery (+)
(JST PH connector, 5pin)
Interface connectors:
J9: Mini-USB connector
(mini-USB)
J10: Motherboard ON/OFF control
(0.1” header)
J5: I2C master
(JST PH connector, 4pin)
J7: SMBUS slave
(JST PH connector, 4pin)
J8: START/STOP button
(0.1” header)
J2: Programming header, bootloader jumper, MCU reset (0.1” pitch)
Display:
Main LED (see status Main LED below)
Battery LED (see Battery LED status below)
