Rint (4/15/26)

1) Measure initial Rint (Rint-i) using Battery Beak

2) Fully charge the battery (probably overnight)

3) Check the cables

a) Are the wires 6 AWG?

b) Are the lugs 6 AWG?

c) Are the crimps good/clean?

d) Are they 6" to 8" long?

e) Are they attached properly and with the correct fasteners?

f) Are the connections solid? (no wiggle, survive tug test)

4) Fix any cable issues - do not add heat shrink yet

5) Measure final Rint (Rint-f) and voltages (V0, V1, V2) using Battery Beak

6) Test with the CBA (record Ah) [this step may take hours per battery]

7) Report Rint, V0, and CBA (Ah) to the mentor (see below for acceptable values)

8) If the mentor deems the battery good, including tug test, then proceed with next steps; otherwise if they deem it bad, then mark it dead for disposal

11) Remove temporary label and add new labels

a) Large writing: "P##" where "P" stands for "practice" and "##" is a unique number (may not be the same as the temp label since some in the middle are dead)

b) Smaller writing, separate label: "Tested 8/23" + "V0: ##.# V" + "Charge: ## Ah" (replace #s with measured numbers from above)

12) Final mentor inspection - connections and labels

Acceptable values

Floating Voltage (V0)

https://docs.google.com/document/d/1VfWvDR0FmSDGn7B2OuBhN72oW-G5kcZEs7caxL2HPig/edit

https://drive.google.com/file/d/18PGDfuLh26kURBMiwVEF4ygojsajCF2G/view

https://docs.wpilib.org/en/stable/docs/hardware/hardware-basics/robot-battery.html

Cutoff Voltage

naming convention for CBA file:

batteryname_dateistaken