Where to find a good replacement laptop battery #L11119-855, HT03XL

[mhwalisz]

I'm looking to find a good replacement laptop battery #L11119-855, HT03XL
I bought a NinjaBatt HT03XL L11119-855 Laptop Battery for HP, but I'm having problems with it.
My laptop runs very slow on this replacement battery power, but when I hook it up to AC power it goes back to running normal. If you remove AC power, it slows back down. If I re-install the original battery, it runs normally on battery & AC power.
Thanks for any assistance, Mark

[ub6424]

Hello @mhwalisz 

Sorry to hear that you are having problems ... I would like to help you.

Let me check your basic system configuration before we focus on the <battery> ...

(1) Run    msinfo32

- Select <System Summary>:

--->>> Copy/screenshot/paste following key/value pairs:

OS Name

Version

System Model

System SKU ( equals HP product number (p/n) )

Processor

BIOS Version/Date

(2) Please report your results

[mhwalisz]

OS Name: Microsoft Windows 10 Home

Version: 10.0.19044 Build 19044

System Model: HP Pavilion Laptop 15-cs3xxx

System SKU: 7RQ09UA#ABA

( equals HP product number (p/n) )

Processor: Intel(R) Core(TM) i7-1065G7 CPU @ 1.30GHz, 1498 Mhz, 4 Core(s), 8 Logical Processor(s)

BIOS Version/Date: Insyde F.16, 4/28/2022