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| Customer Reviews: | | Average Customer Review: ( 123 customer reviews )
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Most Helpful Customer Reviews
117 of 123 found the following review helpful:
 Battery usage instructions May 17, 2009
By John Young
Just a little tidbit for everyone using laptop battaries(specifically LI-Ion)
Most battaries that favor a constant charge and recharge capacity work in two different forms. Your standard Ni-Cd or nickel cadmium battery is a slow drain slow charge type battery, a complete drain and recharge is a standard that most of us know. Not the case with Li-Ion, the lithium battery, and newer Metal Hydroxide batteries work better and last longer using the 100-40-100-20-100-40-100-40-100-20% recharge plans. On your initial charge of 100% charging you let the battery drain to 40% and then recharge to 100% and then the second depletion to 20% and back to a full recharge cycle. This helps maintain the battery condition and in some aspects the "Brain" of the battery so to speak is set in motion and maintains battery health througout time.
I myself thought the cycle was complete depleation of the battery on each recharge which actually shortens the life of the battery.(learn something new everyday)
Another item to remember is that when you plug in your laptop, and the indicator says fully charged, the battery is still being used in most cases and recharging. A good note is to remove the battery while in use of a power outlet and set aside until going mobile. This will also help prolong the battery. Hope this helps anyone who may be having to replace batteries often.
(P.S.) also good for cell phone usage (have had my phone for 4 years with no problems in keeping a full charge of battery life for at least 2 days, havent replaced the battery yet)
Enjoy :)
62 of 64 found the following review helpful:
 Don't buy this product, as Dell 1505 doesn't recognize the model number of the battery and doesn't charge Sep 26, 2009
By Shyam
Hi All,
I have been a great fan of all products and customer reviews provided at amazon. This is the first time that a product that had 17 4+ reviews failed miserably. The battery seems to be not recognized by Dell. Once I put the battery in my Inspiron E1505, on booting the laptop, i get the warning message stating
"Warning:The model number of the primary battery can not be recognized by Dell
The battery would not be charged."
I spent almost 2 hours trying to resolve this issue, upgraded my bios from A03 to A17 but still nothing changes. Either all the 17 4+ reviewers were affiliates of the seller and are bogus or my case is a one of scenario. Whatever be it, I am highly dissatisfied by the product and would appreciate if anyone knows of a valid solution for the 50$ spent on this item.
33 of 33 found the following review helpful:
Not compatible with Inspiron 1505 Oct 06, 2009
By You don't know me
In spite of Amazon's product title, this battery is not compatible with my Inspiron 1505. The 1505 does not recognize this battery, and it does not charge. Save yourself the aggravation, and avoid this product.
9 of 10 found the following review helpful:
Battery Works fine in Inspiron 1501 Aug 03, 2009
By J. Burke
The laptop battery arrived promptly with USPS priority mail.
I left it charged fully over night for about 6 hours.
It functioned for a full 3 hours before getting down to the 10% recharge level. The usage was heavy 2 hour disk and CD drive work as I was installing web cam software twice as I goofed it up the first time and had to unload the software and load it again. Last hour was email and web usage.
The battery performed better than expected. The battery meter at one point indicated that it had 5+ hours left. I am sure that would be just web usage.
Great deal versus the Dell $150+ price tag.
6 of 6 found the following review helpful:
Doesn't fully charge Aug 30, 2009
By hmk28
Very dissapointed in this battery. It will not accept a full charge. Thought that I was saving some money vs. ordering Dell battery but in the end, you get what you pay for...
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