Dead laptop battery? Don’t buy a new one…hack the old one! I’ll show you how!
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somebody recently gave me a little gateway laptop computer that I'm going to use as a second computer the only downside is the battery was totally dead so I go on the Gateway website to hunt one down and I find one but it's a hundred and nine bucks I wasn't going to pay that much so I decided to come up with a cheaper alternative I popped the battery out and proceeded to pry it apart gently not to Nick it up when I finally got it open I found six lithium ion batteries after doing a little research I discovered these are three point seven volt 1600 milliamp batteries I checked the voltage of the batteries and sure enough these were dead and would not hold a charge I found some on the internet that were actually 1630 milliamps you always want to go higher in milliamps and not lower 6 lithium-ion batteries cost me 37 bucks delivered to my door now it's time to change them out when doing any soldering with lithium-ion batteries it's very important to be careful and wear safety goggles because these can explode carefully unsolder all the wires and make a special note of where they all go I actually put a little diagram together so I knew the polarity and where all the wires went when I put it back together first making sure the polarity was correct I began tinning the tabs and after both tabs or tin they soldered together pretty quickly so I finished building the pack and I put it back in the housing and now it was time to solder the rest of the wires together everything looks good so I carefully snapped the battery back together again slid it back in the laptop applied power and I charged it for 18 hours and it worked I'm back in business and I saved 70 bucks so the next time your laptop battery wears out you may want to consider hacking it