I have a APC Back UPS PRO 1000.<BR><BR>The batteries died in it a few months ago and were recycled. I want to adapt this unit for use with a car battery for some testing. Of course the batter was ...

Voltage Typically 2.7 V to 3.0 V per cell, decreases linearly 2 V per cell (for a 12V battery, 6 cells), remains relatively constant Self-Discharge Rate 10-20% per day 3-20% per month ...

I got a mini PC it has a 19V ACDC adaptor capable of supplying 3.5A (so clearly 3.5A is sufficient). Now what i'd like is a portable UPS/battery for it, one that can output 19V and and can provide ...