4530S 4540S 4430S DTK Laptop Battery Replacement for Hp Probook 4330s 4331s 4431s 4435s 4535s 4536s 4440s 4441s 4446s 4545s Series [6-Cell 10.8v 4400mah]

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9.5Expert Score
Overall BVR Rating
Total Reviews:755
4530S 4540S 4430S DTK Laptop Battery Replacement for Hp Probook 4330s 4331s 4431s 4435s 4535s 4536s 4440s 4441s 4446s 4545s Series [6-Cell 10.8v 4400mah]
PROS
  • 23 REVIEWS BATTERY LIFE
  • 36 REVIEWS WORKS GREAT
  • 32 REVIEWS NEW BATTERY
  • 50 REVIEWS REPLACEMENT BATTERY
  • 13 REVIEWS FULLY CHARGED
  • 7 REVIEWS ARRIVED QUICKLY
  • 22 REVIEWS ORIGINAL BATTERY
  • 8 REVIEWS EASY TO INSTALL
  • 21 REVIEWS WORKING WELL
  • 12 REVIEWS LASTED A YEAR
  • 3 REVIEWS SURE YOU FOLLOW
  • 13 REVIEWS FULLY CHARGE
  • 3 REVIEWS MAKE SURE
  • 6 REVIEWS FOLLOW THE INSTRUCTIONS
  • 17 REVIEWS WORKED FINE
  • 5 REVIEWS MONTHS LATER
  • 15 REVIEWS LAST LONG
  • 23 REVIEWS HOLDING CHARGE
  • 6 REVIEWS MONTHS AGO

Battery type: Li-ion; Capacity: 5200mAh; Cells: 6-cell; Voltage: 10.8V.

Top Positive Review

My wife was in dire need of a replacement battery for her laptop.

We had put off purchasing one for some time because the OEM replacement batteries were quite expensive and money being money, was always tight.

However we were also leary of purchasing a third party manufacturers battery because I had done it once before and ended up with a slightly cheaper paperweight.

It wouldn’t run without being plugged in even long enough to walk room to room which was an annoyance.

Finally, facing an upcoming trip we decided to give it a go and hope for the best.

So far she’s very happy with the battery, reports that the battery life exceeds her expectations with no issues as of yet.

If anything changes I will update this review accordingly however as of this time the wife’s verdict is it’s a great battery for a great price.

2 People Found This Helpful

Top Critical Review

I’ve purchased 2 of these batteries from DTK. The first lasted 53 weeks and the 2nd 48 weeks. Both batteries dropped from a use time of 2 hours to about 20 minutes and gave an error message on bootup, “Defective battery, change ASAP”. I contacted the company for warranty replacement and they sent me a new battery at no charge. That is great service however as a retired electrical engineer it lead me to question the makeup of the battery.

I dismantled the battery and found 6 18650 cells rated at 3.6 volts which is what the battery pack should contain. Here is the problem. 18650 cells (battery) are rated at 3.6 to 3.7 nominal volts with complete discharge voltage of 2.5v and fully charged volatge of 4.2 to 4.3 volts. After removing the nickle bridge strips connecting the cells that make up the battery, I checked the voltage of each cell. 4 cells checked at 4.2 volts and 2 checked at 4.3 v which indicates a full charge on all 6 cells!

I suspect the company has some type of tech coded into the battery management chips that keeps track of the number of charging cycles, hour of use, etc and uses that info to drop the use time of the battery, give a battery defective warning thus forcing the purchase of a new battery.

Since the battery is low priced I suppose this shouldn’t be a problem however is’t a terrible waste of resources.
12 People Found This Helpful

Customer Questions & Answers

How many volts
Answer: 12volts

Hello, i have an hp probook 4540s and battery capacity is 4200mah. but this battery capacity is 4400mah. will it be compatible?
Answer: I also have a HP Probook 4540s and this battery is working fine. Have been using it now for about one year with no problems,

Both 4400 mAh and 5200mAh are in the description. Which is it?
Answer: My box said …5200mAh. Pro book 4330s.

Works good.

When Charging to full and down to 7% for the first few times can i turn off my computer during this? or does it need to be continuously on?
Answer: I do not see a problem with charging the battery with the power off. I have done it with this battery and it is still working fine after 3 months of use and charging. Hope this helps.

This battery worked for a little while after i installed it on my hp4540s. any suggestions? amazon won’t take it back.
Answer:

DTK is an electronic product manufacturer. The main products are: lithium batteries, chargers, mobile power, and so on. Product quality is good, cheap, good service. Welcome to buy.

CONTACT US: Please contact through “Your Orders” tab in Amazon account (allow 24hrs for reply)
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Expert Score 9.5
PROS:
  • 23 REVIEWS BATTERY LIFE
  • 36 REVIEWS WORKS GREAT
  • 32 REVIEWS NEW BATTERY
  • 50 REVIEWS REPLACEMENT BATTERY
  • 13 REVIEWS FULLY CHARGED
  • 7 REVIEWS ARRIVED QUICKLY
  • 22 REVIEWS ORIGINAL BATTERY
  • 8 REVIEWS EASY TO INSTALL
  • 21 REVIEWS WORKING WELL
  • 12 REVIEWS LASTED A YEAR
  • 3 REVIEWS SURE YOU FOLLOW
  • 13 REVIEWS FULLY CHARGE
  • 3 REVIEWS MAKE SURE
  • 6 REVIEWS FOLLOW THE INSTRUCTIONS
  • 17 REVIEWS WORKED FINE
  • 5 REVIEWS MONTHS LATER
  • 15 REVIEWS LAST LONG
  • 23 REVIEWS HOLDING CHARGE
  • 6 REVIEWS MONTHS AGO
4530S 4540S 4430S DTK Laptop Battery Replacement for Hp Probook 4330s 4331s 4431s 4435s 4535s 4536s 4440s 4441s 4446s 4545s Series [6-Cell 10.8v 4400mah]
4530S 4540S 4430S DTK Laptop Battery Replacement for Hp Probook 4330s 4331s 4431s 4435s 4535s 4536s 4440s 4441s 4446s 4545s Series [6-Cell 10.8v 4400mah]
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