Searched the forum and didn't find anything, but I have a Compaq Presario 12XL 500 with a going Ni-MH, is it possibly to replace this battery with a compatible Li-Ion?
You should be able to replace the Ni-MH, with the Li-Ion battery as long as the Li-Ion has all the propietary connections needed for the VERY propietary Compaq Presario 12XL 500.
Here is some general info on the differences between the to batteries.
These batteries were introduced in the early 1990's as an improvement over older chemistries like Nickel Cadmium (NiCd). Although they may have a very slight memory effect, NiMH batteries are much more reliable than previous chemistries. Compared to a NiCd battery of equal size, a NiMh battery will run for 30-40% longer on each charge. NiMH batteries can also be recharged 60% in just 15 minutes. The unique NiMH chemistry packs much more power than NiCd. Additionally, NiMH batteries often have twice the lifespan of NiCds.
The most popular batteries available. Li-ION have replaced NiMH batteries for many laptops because they provide 4 distinct advantages :
1) 40% longer Standby and uptime than NiMh.
2) Lighter and more compact than NiMh batteries.
3) LiIon batteries do not suffer from memory effect .
4) The battery lifespan will be over 30% longer than NiMh batteries because the cells can accept more charge cycles.
Very unlikely you can do this, not only because of the physical fit, but because of the charging rates and profiles. If you overcharge a battery it can leak or explode. I would not change chemistries without knowing the ramifications.
Newposter
"Good judgment comes from experience. Experience comes from bad judgment."
They provide direct replacements for the 12XL 500 and offer both types of battery; so I know the connections will fit perfectly. However, eBatts has the LiIon batt cheaper.
What about the volts and amps? The actually battery is 9.6v and 3.8Ahr. If these don't match do I risk damaging something?
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