Laptop & Cell Phone Batteries

Laptop replacement recomendatios.

When you buy a replacement battery for your laptop, you need to consider several factors, including price, warranty, compatibility, and capacity.

  • Compare price range and warranty details. Prices for laptop batteries usually range from $50 to $150. Start with your laptop manufacturer’s Web site or telephone sales department. Get a price for a replacement, and make sure you find all the warranty details.
  • Check the Internet for third-party battery suppliers. You may find the identical name-brand battery for less. And you may also be offered Brand X replacements at a significantly lower price; some of the third-party batteries even promise to hold a larger charge. However, pay close attention to the warranty; what happens in the one-in-a-million-or-so situation where a battery overheats or otherwise damages your laptop?
  • Meet the specifications. You can’t squeeze a 3-inch battery made for a Dell laptop into the 2-inch slot on a Toshiba. It’s physically impossible, and even if you could squeeze it in, the electrical connectors probably wouldn’t line up.
  • Match the voltage. If your original battery was rated at 14.8 volts, that’s the ticket for the replacement model. Don’t go over or under the specified power.
  • Consider going high capacity. Within the manufacturer’s specifications, you may be able to replace your original battery with one with a higher watt-hour or amp hour rating. This allows you to work longer.
  • Get fresh. You’ve no good reason to buy a used battery (or an unused model that has been collecting dust on a shelf somewhere). Check the date of manufacture; anything older than about 18 months should be suspect.

Cell Phone Battery Types and How to Tell What Kind You Have.

To understand the needs of your battery, you need to know what kind of battery you’re using. Generally, there are four different types of batteries used in cell phones:

  • Nickel Cadmium (NiCd): This type of battery is generally only used in older cell phones and is the least powerful.
  • Nickel Metal Hybride (NiMH): These nickel batteries are more powerful than the NiCd batteries. They are usually only used in older cell phones, as well.
  • Lithium Ion (Li-ion): This a more common type of battery, as it’s consistently used in today’s phones. It’s even more powerful than the NiMH.
  • Lithium Polymer (LiPo): Like the NiHM’s upgrade over the NiCD, the LiPo is an upgraded form of lithium battery when compared to the Li-ion, as it comes with greater power.

As NiCds and NiMH batteries are out-of-date, it’s likely that you aren’t using one in your cell phone anymore. Unless you’re using a very old model, your phone has a LiPo or Li-ion battery.

To figure out whether you’re using LiPo or Li-ion batteries, you can often simply look at the label on the battery itself. If you can’t find the label or if it has been removed, you can find the info in the user manual.

After you’ve figured out which battery you have, you’ll have a better idea of what effect it will have on your device.

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