Laptop charger amperage tests :)
vandwelling ~ 2017-05-07So I got that new DC plug for my laptop charger a couple days ago. And I finally figured out how to use my multimeter properly so I can measure the amperage cost of using my laptop.
I should probably also learn the math as to why this is, but I'm happy right now I have a multimeter.
How I plan to change my habits:
- Charge laptop at business then turn off.
- Whenever I am driving, charge the laptop.
- Run battery down, then run on static mode.
I don't know if running the battery down, and then only using the starter battery on static is the most effective use of the energy, but I know I will use less energy from the battery. sooo. Stay strong starter battery!
Notes:
- The only reason the power brick pulls current is to power the two tiny LEDs to indicate which mode it is in xD
- The difference between charging the laptop while off/asleep/on was negligible thus only show 'on'.
- ALL the electronics I use regularly, I can power through 12 volt now!
- Sorry if you don't like my symbols. I really like condensing information so it's visible on small screen electronics
I'm getting more interested and excited about getting a deep cycle battery. PLEASE. Please find the money to get a house battery setup. SOON.
LEGEND:
= non-charging mode
= charging mode
inverter = inverted has power
brick = power brick has power
= laptop plugged into power brick
= watching 1280x544 video fullscreen
| mode | state | DC AC min (diff) | DC AC max (diff) |
|---|---|---|---|
| inverter | 0.00 0.51 | ||
| brick | 0.07 0.58 (0.51) | ||
| 1.27 1.75 (0.48) | 1.96 2.35 (0.39) | ||
| 1.50 1.84 (0.34) | 2.21 2.55 (0.34) | ||
| inverter | 0.00 0.53 | ||
| brick | 0.11 0.58 (0.47) | ||
| 3.48 4.34 (0.86) | 4.23 5.16 (0.93) | ||
| 3.71 4.52 (0.81) | 4.85 5.48 (0.63) |
| mode | state | min | max |
|---|---|---|---|
| DC | brick | 0.07 | |
| DC | brick | 0.11 | |
| AC | inverter | 0.51 | |
| AC | inverter | 0.53 | |
| AC | brick | 0.58 | |
| AC | brick | 0.58 | |
| DC | 1.27 | 1.96 | |
| DC | 1.50 | 2.21 | |
| AC | 1.75 | 2.35 | |
| AC | 1.84 | 2.55 | |
| DC | 3.48 | 4.23 | |
| DC | 3.71 | 4.85 | |
| AC | 4.34 | 5.16 | |
| AC | 4.52 | 5.48 |