Your device is powered by a rechargeable, standard Li-Ion battery. A Wall/USB Charger (charging head and USB cable) is included with the device for charging the battery from any standard outlet. The battery comes partially charged. A fully discharged battery requires up to four hours of charge time. You can use the device while charging.
Use only Samsung-approved charging devices and batteries. Samsung accessories are designed to maximize battery life. Using other accessories may invalidate your warranty and may cause damage.
1Insert the USB cable into the port.
2Connect the USB cable to the charging head, and then plug the charging head into a standard outlet.
3When charging is complete, unplug the charging head from the outlet and remove the USB cable from the device.
Failure to unplug the wall charger before you remove the battery can cause damage to the device.
When the battery is weak and only a few minutes of operation remain, the device sounds a warning tone at regular intervals.
In this condition, your device conserves its remaining battery power by dimming the screen.
Tablet Battery Not Charging
When the battery level becomes too low, the device automatically turns off. How to mod the sims 3.
► For a quick check of your battery level, view the battery charge indicator located in the upperright corner of your device’s display. A solid color ( ) indicates a full charge.
You can also choose to display a percentage value. Viewing a percentage value can provide a better idea of the remaining charge on the battery.
View how battery power is used for device activities.
2Scroll down and touch Battery for options:
• Power saving mode: Touch ON/OFF to turn the feature on, and customize options.
• Ultra power saving mode: Touch ON/OFF to turn the feature on.
• Display battery percentage: Display the battery charge percentage next to the battery icon on the Status bar.
Battery Chart
The battery level displays as a percentage. The amount of time the battery has been used also displays.
► Touch the Battery chart to view History details.
Apps and OS Usage
Battery usage displays in percentages per application.
1Touch Screen, Android System, Android OS, or an app to view how they are affecting battery use.
Other applications may be running that affect battery use.
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RCA 10 tablet would not boot, dead. Tried several button methods that did not work. Removed/un-soldered battery, charged with wires from charger, and battery was charged 90%. Re-soldered battery and Tablet booted, however would not show charging when cord inserted into port. Tried several different chargers and they work with other devices. Port does not appear to be loose nor does it have debris inside, cleaned out with air. Reset Tablet to factory settings to eliminate software issues. Still not charging unless I remove battery and place directly on charger. Any suggestions are appreciated.
So I bought my sister this Visual Land tablet about 2 years ago. Eventually both the mini usb and charging port broke off from the logic board as expected from a cheap product. So I have this nice idea of using the tablet as a car nav/entertainment system. simply get rid of the battery and push 5v via a standard cigarette light usb adapter or make one with some 5v regulators and done. I tried resoldering the charge port. I get 5.23v on random points on the board but I get 0v at the battery with the charging port connected. I pulled the battery and tested the terminals on the board with the charging port connected no battery, 0v at the board and the battery alone is also 0v most likely dead and trash as it sat for 1.5 years in a shoebox untouched. So I pulled out my homebuilt psu power supply and hooked up the variable output to the battery terminal on the logic board. When pushing 3.7v~ I can get the first splash screen to show up but the tablet shuts off right after. When pushing 3.8v any thing higher the first two splash screens show and android starts to boot but the tablet powers off soon after. So i decided to risk it and pushed 5v directly to the board. It started up fine and booted into android normally except for the low battery issue and some heat coming from the processor. Maybe a heatsink and rigged laptop fan into the casing could fix that? It shut off normally as if it had a dead battery. How much voltage doeas a generic android board need? Current?Does the board take 3.7v but since theres no battery it wont boot? How could I fake a fully charged battery? Or could I possibly flash a custom rom? Do you guys need more info? I could provide more pics Note that the battery is a 3.7v 3500mah li-ion battery with only a positive and negative hookups. Also i took some tape and covering off the battery to see if it possibly had its own controller board. It did have a small pcb board but it seems that its only 'a transfer' board, it takes the power from this cloth like cable and passes it into the wire thru the pcb. Should I try to hookup 5v straight to the battery to test it out? Battery has 0v so it might be useless.
This picture says most of it:
I want to connect a li-ion battery charger directly to the 4S battery, without removing it from the phone. This white plug shown touches the back of the pins 1 and 4 on the battery connector.
Will this work, or is the path of least resistance away from the battery, which could result in a short circuit? I'm currently looking at the schematics to try and make up my mind about this.
(I do this because there is something broken in the phone's internal charging circuit that I have been unable to solve. And yes, that red sticker is a good clue :))
Here is the full setup. I kept the phone on while attempting, and I can confirm that it works. I have so far tested charging the phone from 10% to 30%.
This phone does not charge through the charging cable. I kept it in anyway because the phone does notice it being plugged in. I haven't yet tested leaving it unplugged while charging.
The white plug is simply two small jumper wires with a third empty jumper head (just the plastic) between them. The distance turned out to match perfectly with the pins on the battery connector. I taped all of this together with electrical tape, then also taped most of the pins so they wouldn't touch any other metal surface in the iPhone.
Those jumper wires are simply connected to the + and - terminals of a 4.2V/800mA battery charger, which has all of the important safety components.
I was also lucky to find a plastic piece that allowed me to strap the plug at just the right angle.
With this, I can keep using the water-damaged logic board and charge the battery without removing it every time.
Is this a good question?
Comments:
Having thought about this, the worst thing that should happen is that I will power the phone instead of charging the battery. Does that make sense?
Yes, that will work as long as you realize that there will be no signal going to the charger to prevent over charging etc
Thank you for the quick reply, oldturkey03! The charger I use, a Hähnel Ultima II for charging camera batteries, stops before overcharging a removed 4S battery. I was guessing it did so by measuring the voltage, and it stops before the battery is completely full. Shouldn't it do so also if the battery is in the iPhone?
steven shad not your phone, just your battery:-) REad through the comments and answers you'll see that this was addressed. You have to prevent overcharging the battery whenever you modify this circuit.