When you exclude the diode and you do not provide input power to the LM1117 it will (at least potentially) experience a reverse voltage (output higher than input). The 7805 regulator can be damaged by such a situation, but I have not heard of similar effects on an LM1117. But it is still outside its normal mode of operation, so I would advise against it.
1. What is a good name for a car battery?
once you purchase a recognition kind, the producer is utilising uncooked factors to specs through fact their call and recognition are at stake. once you purchase a no-call or abode call kind, despite if it is produced on an analogous facility, there could or wo not be an analogous uncooked supplies used, and extremely franklly the amnufacturer would not care through fact their call is not on the product. collectively as you will likely p[ay a top classification for a kind call, it wo not be that particularly extra. ..shall we placed it this way: a $seventy 5 kind call battery for $60 no call is in line with threat an analogous high quality yet whilst the no call is purely $25 then you certainly could evaluate the previous addage....you get what you pay for!!
2. Macbook Pro Battery Care [duplicate]
To get the most out of your MacBook Pro's battery, follow the Notebook Battery advice from Apple: unplug and use your battery until empty about once a month, then charge back up to full.If you need help following Apple's advice, use Battery Guardian; it is free and will remind you when to deplete your battery
3. dead battery in a Dell laptop
I've seen this before where the computer wo not turn on at all. The times I've seen it, I've had to unplug power, remove battery, then hold down the power button for about 15-30 seconds, up to 60 could not hurt. Then I was able to reconnect power and it started up with no problem. The tech bulletin that I had read attributed the problem to static build up, but who knows...If the computer is turning on but your operating system is not loading, then that is a different unrelated problem
4. Calculate phone's battery capacity
You could try the accubattery app, it is known to give a somewhat accurate reading. It also gives other quite interesting information about your battery
5. Are battery-operated knives any good?
No because if you are ever in a survival situation and the battery dies then it becomes as useless as if you had left it at home
6. What is the Spanish word for "battery"?
There are several Spanish word for "battery" being the most common "batera" also "pila" and "acumulador" among mechanics.Also, "batera" is a row of canons for the military.Figuratively, a "batera de abogados" (a battery of lawyers). Finally, "batera" is the Spanish word for "drums" in music. Ringo Starr played "la batera" with The Beatles.Batera (artillery).What is the Spanish word for "battery"?
7. Whats wrong with my motorcycle battery? ?
If you used jumpers from a running car you probably fried the battery . What makes you so sure it's charged ? Have you checked it with a meter or test light ?
8. Is a battery management system necessary for wearables? [closed]
There are too many documented cases of batteries causing fires. You need to make sure that protection is included, especialy as the person wearing it may not be able to remove it quickly unlike a phone which can be thrown away
9. Best battery for my SUV?
i never want to buy battery from wal mart, there are not that good
10. Switching A Li-Ion Battery with a Mosfet
Put a search in DigiKey and filter to see ICs specifically for 3S cell configurations. You can further refine your search for the pack voltage and battery chemistry you are desiring. Then you can do another search for Battery Balancing ICs and again specify for 3 cells. It would not be prudent to charge them in parallel because it would require more current and the batteries may be at different SoCs (see my newbie question here for more info)
11. MBP battery won't charge
It appears that you did not fix the original problem which was why your MBP was not turning on in the first place - your battery was not charging so you had a dead battery.You have already verified that...Now, it seems that since the battery has gone to 0% and the charger is plugged in, your MBP is dead, correct?That means you Mag Safe DC In board is most likely shot.This is fairly simple to fix (I am assuming you changed your own battery). iFixit. com has an excellent tutorial on how to replace this component. The good news is that this component is fairly inexpensive ($11 on Amazon)
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