First test run laptop at full settings while plugged in with no battery. Second test run laptop for same period turn off laptop and see how much power it takes to charge it. Third test run laptop plugged in at the same power savings settings as on the battery to see how much power that draws.Well not truly scientific it should yield a good result.My bet is that the laptop with limited settings while plugged in would be the best.hird test run laptop plugged in at the same power savings settings as on the battery to see how much power that draws. Well not truly scientific it should yield a good result.My bet is that the laptop with limited settings while plugged in would be the best.
Back spasms can be the result of injuries to the muscles, tendons, and ligaments in the back or it can be related to more serious medical conditions. Heavy lifting is a common cause of back spasms. Any activity that puts excessive strain on the muscles and ligaments in the lower back can cause an injury.
If your back spasm does not get better in 1 to 2 weeks, or it comes and goes in the same spot, you may have an underlying problem in your spine. Underlying issues that could cause your back to spasm include: 1  Facet joint osteoarthritis. 2  Pain from a herniated disc.f you experience a back muscle spasm, make sure to stop and listen to your body. Either your back is telling you not to do that activity ever again, or it's warning you that there's a more serious underlying issue. 1  See Pulled Back Muscle and Lower Back Strain.