Battery Terminal
Battery Terminal
Learn To Build an External Laptop Battery
Replacement laptop batteries can cost a third, if not more, of the price of a new laptop. Discounted prices constantly offered on new laptops often result in people choosing a new laptop instead of a replacement battery, even though the laptop is fine. Build an external laptop battery using lithium polymer (LiPo) batteries to save a lot of money and keep your existing laptop. Wire a few LiPo cells in series and your laptop will be ready to go.
1.Check your laptop's required input voltage. It's on the base of your laptop clearly labeled. Most laptops operate on 19 volts, though it does vary.
2.Calculate the number of LiPo battery cells you need to power your laptop. One single LiPo cell produces 3.7 volts, so if your laptop operates on 19 volts, you need five LiPo cells wired in series. Wiring in series combines the output voltage from each cell. Don't build an external laptop battery pack that exceeds the input voltage for your laptop: the damage is irreparable.
3.Place your batteries on a suitable surface and lay them flat. LiPo batteries are similar in size to regular AA batteries, except they are shorter and fatter. The positive battery terminal is on the top and the negative on the bottom.
4.Alternate the terminals of each battery. For example, if you are using four batteries, have two positive and two negative terminals at each end. Label the batteries numerically, so, if you're using four batteries, label then 1 through 4. Wrap electrical insulating tape around the batteries to form a tight pack.
5.Cut strips of AWG 16 wire using a small knife. Cut two strips long enough to be able to reach your laptop and the external battery. The other strips need to be only an inch long so they can attach to the battery terminals. The numbers of short strips needed depends on the number of batteries you are using. The rule when you're wiring in parallel is to count the number of batteries and then deduct one. The result is the number of strips of wire you need.
6.Remove ¼-inch of plastic coating off the ends of each strip of wire using wire strippers or a small knife. Each wire has ¼-inch of metal wire exposed. Label the two long strips of wire "+" and "-."
7.Attach the wire labeled "+" to the positive terminal of Battery 1 and attach the wire labeled "-" to the negative terminal of the last numbered battery. Use a strip of electrical insulating tape.
8.Attach a short strip of wire to the negative terminal of Battery 1 and the other end to the positive terminal of Battery 2 using insulating tape. Repeat the process connecting a short wire to a negative terminal, then a positive terminal, for all the batteries in numerical sequence until you use the last short wire to connect to the positive terminal of the last numbered battery.
9.Wrap the complete battery pack neatly in insulating tape. Ensure you keep the two long wires exposed but the other wires and the battery terminals should be concealed.
10.Attach the wire labeled "+" to the positive input of your laptop and the wire labeled "-" to the negative input of your laptop. Your external laptop battery is set.
Tips & Warnings
Connect the external battery to your laptop by wiring a power jack. They can be purchased in most electrical stores. Attach the positive and negative wires from your laptop to the positive and negative terminals on the power jack. Get one with screw connectors so you don't have to use a soldering iron and solder.
Laptops consume electricity quickly. To increase capacity, but maintain voltage, build two packs wired in series then connect the two packs in parallel: this will double your capacity. Simply attach the positive wire from one pack to the positive wire of the other pack. Repeat for the two negative wires. The wires then feed to your laptop in parallel.
The voltage output of your battery must never exceed the input voltage for your laptop. You will seriously damage it.
When the dell batteries need charging ensure your charger matches the voltage requirements of your LiPo battery pack.
Never connect two different types of battery such as LiPo and NiCad.
About the Author
We specialize in substitute batteries(laptop battery, Digital Camera Battery, power tool battery) and battery packs for laptops, camcorders, digital cameras, PDAs, mobile phones, and power tools, etc. as well as battery chargers! All products are high quality, brand new with 1 Year Warranty!.Welcom to www.ibuynow.com.au at any time.
Battery stinks up garage
Dear Tom and Ray: My wife's car is an '08 Toyota Sienna all-wheel-drive van with almost 70,000 miles on it. In the past few months, the whole garage has been stinking like rotten eggs.
Battery Terminal
How to Clean Car Battery Terminals
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How to Change a Car Battery
The car battery in your car is the ultimate source of electrical power in your car. Most of the car manufacturers may claim that there won't be any problems with the batteries whatsoever - but things might not be that simple in the long run. The battery might get damaged, and if that's the case, then it must be replaced as soon as possible. But replacing a car battery is not at all an easy thing. That's the reason why we are going to guide your along through the process.
Things you should need:
- A new car battery
- Adjustable wrench
- Wire brush
- Lithium grease
- Baking soda paste
Steps to replace a car battery:
Step 1: First off, disconnect all the electrical circuits associated with the car battery. When dealing with car batteries always protect your hands with some materials like protective hand gloves or something like that. In every car battery, you will see a greenish like stuff. This is a corrosive at the same time acidic substance which if comes in contact with our naked hand, can cause serious damage like burns etc.
Step 2: Now test the battery - and make sure that it charges and discharges without any problems. You may use a wire brush and baking soda paste for removing that greenish on the battery terminals. Again, don't forget to protect your hands while dealing with car batteries (especially while dealing with that corrosive substance on the terminals).
Step 3: You will have to replace the battery if you think the charge is depleted. First of all you should be removing the connection from the positive terminal and then only attempt doing that at the negative terminal. Clean Car Battery Terminals at that time.
Step 4: Hold down the battery towards its compartment or room and then remove the screws and bolts associated with it.
Step 5: Now seek help from someone and together, lift the battery from the compartment. After that, if you find something in the compartment, clean it using the wire brush and baking soda paste. Generally, corrosive matter is seen over that place and it can only be cleaned using baking soda paste.
Step 6 : Now, it's time to replace the connections. You should start with the positive battery terminals. After doing at both the ends, you should be spraying lithium grease over the connections.
Step 7: Now, it's time for checking how things went. If everything went fine, you will see the electrical system in your vehicle working good as it did in the past.
About the Author
Zaheer writes about cars because of his personal interest in Cars. His articles are usually to help people fix the small issues they face in their daily lives.
Battery Terminal