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UPS comparison chart

Notes:
* If V(in) > V(out) then V(out) is unregulated (Vin=vout)
  If V(in) < V(out) then V(out) is 12V regulated
** Li-Ion chemistry supported with hardware modification, consult manual.
Feature OpenUPS OpenUPS2 NUC-UPS
Input Voltage 6-30V 11-24V 6-38
Output Voltage 5-24V (programable) 12* 12V
Architecture Buck/Boost Boost Buck/Boost
Max Power 6A 5A 5A
Battery Chemistry Li-Ion, Li-Po, LIFEPO4, Lead Acid LiFePO4, Li-Ion** Li-Ion
Battery Charger Multiple chemistry charger 3 state charger 3 state charger
Battery balancing Yes Yes Yes
USB Interface Yes Yes Yes
SMBUS Slave Slave -
Coulomb counting (fuel gauge) Yes Yes Yes
Temperature monitoring On board For each cell For each cell
Battery design External removable Onboard removable Onboard removable
Footprint Custom 2.5" drive footprint 2.5" drive footprint
Windows compatible Yes Yes Yes
Linux compatible Yes Yes Linux API planned
Motherboard ON/OFF pulse control Yes Yes Yes
Deep Sleep power consumption <50uA 1uA 5uA
Availability Long life Long life New product

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