Battery
The battery being tested is a Nautilus Marine/RV battery.
...
| Specification | Value |
|---|---|
| Make | Motomaster Nautilus |
| Model | 010-2799-4 |
| Capacity | 80Ah |
| Group | 27 |
Discharge Test
A discharge test was performed using the SkyRC Max B6 charger. In order to get the test to run to completion, we had to disable the Capacity Cut off and the Safety Timer (See appendix).
...
| Test | Capacity (mAh) | % of Capacity |
|---|---|---|
| Initial Test | 6579 mAh | 8% |
Next Steps
We discovered that the water levels in this battery were very low. Added distilled water about 1/4" above the plates.
...
| Test | Final Voltage | Capacity (mAh) | % of Capacity | Changes |
|---|---|---|---|---|
| Oct 27, 2019 | 10.16 | 13,392 | 17% | Added distilled water |
| Nov 1, 2019 | 8.69 | 22,226 | 28% | Added more distilled water |
| Nov 7, 2019 | 10.0 | 24,543 | 31% | Shook |
| Nov 12, 2019 | 10.5 | 27,291 | 34% | Shook |
| Nov 18, 2019 | 10.5 | 29,315 | 37% | Shook |
Appendix
Disabling Safety Timer and Capacity Cut Off on IMAX B6
In order to get the test to run to completion, we had to disable the Capacity Cut off and the Safety Timer.
Reference
| Reference | URL |
|---|---|
| IMAX B6 Manual | http://www.ittgroup.ee/files/IMAX_B6_manual.pdf |
| How to Check Car Battery Water Levels | https://www.wikihow.com/Check-Car-Battery-Water-Levels |
...