CMOS RTC BATTERY Assembly for HP 2000, 2000-420CA, 2000-430CA CQ57 # 646132-001

Description

This cmos rtc battery is a replacement for Newsun CR2032 Model
646132-001 that is found on HP 2000, 2000-420CA, 2000-430CA, 2000-410US 2000-417NR 630 631 mini 430 Presario CQ57-218NR  Notebook PC and Compaq 435 436 notebook pc's. (this rtc cmos battery provides is a voltage source to the eprom that holds the firmware to the motherboard)
(not OEM, rather Compatible Model)
,
also suitable for HP G7-1150us G7-2000 G7-2233CL DV7-1240US 1260US 1267CL that require a  cable and 2 pin Molex plug
(not OEM, rather Compatible Model)
.  This will work on other brands and models such as Acer Timeline 3410 & 3810 3810T 3810TZ 3810TZG 3811 3811T 3811TG
(not OEM, rather Compatible Model)
,  though it's not being listed for other variation model needs
. The cmos bios battery being offered here are based on a 3 volt 210mah rating system board need, where what is required is a cable and 2 pin plug. The 2 pin plug is a molex picoblade 1.25mm type (Picoblade housing) that is fitted to a receptacle on the system board for it's integration.
The renewal or replacement process might be something that can be somewhat challenging depending on the specific model of notebook, yet in most cases technical manuals will allow the scope of it's replacement process and allow owners to replace and renew the cmos battery.  If in doubt, please ask us to assist or redirect you to that source help.
The cmos rtc battery (single use non rechargeable) is not a solution to motherboard primary (+10.8v to +11.1v) and secondary Battery (external 14.4v) charge functions via the HP UEFI Diagnostics error code 601, 602 etc.
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HP equipment, notebooks that came into the public market from 2008 forward, that have the motherboard bios provisions of
HP PC Hardware Diagnostics UEFI
to test the main components of your notebook computer.
This HP UEFI 2008 firmware has a internal diagnostic test that includes a battery health charge level, encompass the ability to alert the end user of the battery charge level associated with the internal battery (10.8v to 11.1v battery that subs for the ac/dc charger 100-240vac)
If you have a 601 battery error, contact HP,
or replace the internal battery not the rtc cmos battery.
HP motherboards nearly never have a charging circuit for the rtc cmos battery. Any attempt to charge a rtc battery can leak and explode due to internal heat pressure, that the rtc battery will never be subjected to in it's internal proper use.