Cmos bios battery (RTC Battery) are for HP ZBook 15u G2 G3 and G4 Mobile Workstation i3, i5 and i7 Core Processor Notebooks and HP Pavilion DV6-7229WM DV6-7363CL DV7-7023CL motherboards which are serviced with a 2 pin JST Connector Plug, RTC Battery Assembly 682091-001. ie: black KTS CR2032 23.21221.022, 914384-001 and or 665733-001 (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 JST SHR-02V-B 1.00mm type plug. 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. ________________________________________________________________________________________________________ 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.
