How to Hack a Dead Laptop Battery

As far as we know, the new 6 cells laptop battery die after 600-800 charging and discharging circles. Then we spend $80 or more to buy a replacement.Its too expensive, and these dead laptop batteries can pollute our environment if we dropped them random.

1. First take the dead laptop battery out of your laptop.
2. Then take the battery apart.
3. You will see 6 cells connected by wire. Carefully examine every cells by a multimeter to ensure the cells are powerless.
4. Use a electric welding tool to separate cells from wires. Then take them out of battery shell.
5. Then welding the new cells together by consulting the dead cells combination and blueprint.
6. Put the new cells into battery pack and connect the wires and cells.
7. In the end put the two pieces of battery back together. Cool down it for about 48 hours.
8. Now hack dead laptop battery complete. You will found that the new battery works again.

How to Fully Discharge a Laptop Battery

Discharging the Battery Pack Disabling Hibernation To fully discharge the battery pack, disable Hibernation temporarily.

1. Select the Power Meter icon on the taskbar, or select Start > Control Panel > Performance and Maintenance > Power Options > Power Schemes
2. 
   
   Write down the 3 settings in the Plugged In column and the settings in the Running on Batteries column, so you can reset them after calibration. settings in the Running on Batteries column, so you can reset them after calibration.
3. 
   
   Select the drop-down lists and set all 6 options in both columns to Never.
4. 
   
   Select the OK button.
5. 
   
   Disconnect the notebook from the external power source, but do not turn off the notebook.
6. 
   
   Run the notebook on battery power until the battery pack is fully discharged. The battery light begins to blink when the battery pack has discharged to a low-battery condition. When the battery pack is fully discharged, the power/Standby light turns off and the notebook shuts down.

How to Extend the Life of a Laptop Battery

Over time, the rechargeable batteries in a laptop wear down with repeated charging and discharging. Your usage patterns and habits can make a difference in how long it takes for the battery to wear down, though. Here's how to avoid having to replace those costly laptop batteries as often.
(1)
Remove the battery pack from the laptop if you do not use your laptop for extended periods of time (a week or more).
(2)
Do not expose the battery to high heat or freezing temperatures. Do not leave your battery in your car in the summer. Hot batteries discharge very quickly, and cold ones can't create as much power.
(3)
Plug your laptop charger adapter into a UPS and not directly into a power outlet or surge protector.
(4)
If you have a nickel-metal hydride battery, completely drain and recharge the battery once a month to maximize its capacity to hold a charge.
(5)
Fully charge new battery packs before use. A new battery needs to be fully charged and discharged (cycled) a few times before it can condition to full capacity.
(6)
For laptops that work as a desktop replacement, reinstall the battery every 3-4 weeks and allow it to discharge fully .
(7)
Do not leave a battery in a laptop while using an electrical outlet for long periods of time. This will keep the battery in a constant state of charging up and that will reduce the life cycle of the battery.
(8)
Adjust screen brightness. If you use Windows on your laptop, there is a Power Options option in Control Panel that helps you optimize power usage. You can set the laptop to become inactive when not in use for quite some time. It is also possible to adjust the display brightness on the laptop. This may allow prolonged battery life.
(9)
Program Overload. Run only the programs you are using at the time of use. Programs that run in the background use more system resources and drain laptop battery life.
(10)
Keep a spare battery: A good idea is to have a spare battery. Batteries are affordable these days and easily purchased online from electronics sites. Have at least one fully charged at all times for a quick battery change. Some laptops can run with two batteries. Some laptops are also compatible with external batteries that can be easily added when necessary.

How to Build a Solar Powered Laptop Charger

1. Start small until you understand what you are doing and work your way up. Read more on the solar cell they are interested in using and read up on panel design techniques. Basically the solar cells must be mounted inside a housing which has to be sealed from the elements to prevent dust and condensation from forming on the cells which will reduce the power output severely.

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2. 2
   Ascertain exactly what your power requirements are. If you are designing for a specific device, read the label on your device or its power supply; this will specify the voltage and watts required to charge your device. If you are trying to design a charger for multiply devices, you must use the maximum voltage and wattage of the most power hungry device in your target group. - it will require a sizable panel to charge multiple device simultaneously. If this is your goal, design the charger to produce 110 or 220, whichever is your normal power line voltage. Then just use the standard chargers and plug them into the panel - this will save you a lot of design time for making multiple d.c. voltages available for different devices, it will also give you more flexibility in adding future device.
3. 3
   If you are designing for a single voltage/wattage combo, i.e., 12volt 12 watts, the conversion of Watts to Amps is governed by the equation Amps = Watts/Volts:
   
   
   • For example, 12 watts/12 volts = 1 amp - so there is your design spec, you need to build a device that will output 12 volts - if you want to charge the device directly from the solar panel without using the power adaptor that came with your device, you also need to understand what sort of charge cycle your battery requires. Different battery chemistries require different charging techniques. This wiki explains some of this: http://en.wikipedia.org/wiki/Trickle_charging.
4. 4
   Read up on parallel and series wiring - which is not very complicated - basically if you tie the "+" of one solar cell to the "-" of the next solar cell and repeat this your volage will be a multiple of the number of cells tied together - ie if each cell is .5 volts and you tie 24 cells together like this, you will have a panel that is wired in series and produces 12 volts (24 x .5) - this does not multiply wattage/amperage, only voltage. So if your cells output .5 volts and 10 watts, your panel will output 12 volts and 10 watts. To increase wattage you tie multiply panels together using parallel wiring, in parallel wiring you tie the "+" wires from the other panels together and the "-" wires together with the "-" wires from the other panels - do not tie the plus and minus together or you will short out your panels. So if you tie two panels together (each panel is wired in series) in parallel, you will now have an output of 12 volts and 20 watts. You use this technique to combine cells into panels to produce your desired output voltage/amperage/wattage per your spec.
5. 5
   If you are building an ac voltage panel, add an inverter which converts d.c. to a.c. and supplies a clean sine wave so that any device you plug into the panel will operate properly.

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