3V 250mAh RTC CMOS Coin Cell Battery for HP Desktop Laptop Server Motherboards

Replacement real time clock (RTC) / CMOS battery for select HP desktop, laptop, and server motherboards that use the listed HP spare part numbers. Used to maintain system time/date and BIOS settings when the system is powered off.

Technical Specifications

• Voltage: 3V
• Capacity: 250mAh
• Battery Type: Lithium coin cell
• Dimensions: 20mm x 3.1mm
• Application: RTC / CMOS battery for HP motherboards

Interchangeable / Replacement Part Numbers

• 234556-001, 319603-001

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It's essential to verify compatibility with your system or enclosure manufacturer prior to installation.

✔️ Pavilion 27 Series: 27-A010, 27-N190ST
✔️ Pavilion 510 Series: 510 Series
✔️ Pavilion Elite Series: HPE-400F, HPE-500Y, HPE-502C, HPE-510Y
✔️ Pavilion P Series: P6, P6510F, P7
✔️ Pavilion S7000 Series: S7000
✔️ Pavilion Slimline Series: S7310N, S7320N, S7400N, S7410N, S7415C, S7420N, S7421C, S7500CN, S7500FR, S7500Y, S7510N, S7517C, S7520CN, S7520KR, S7520LA, S7527C, S7530N, S7540A, S7541KR

✔️ Business Desktop DC Series: DC5100 Series, DC5700 Series, DC5850 Series, DC7100 Series, DC7600 Series, DC7700 Series
✔️ Business Desktop DX Series: DX2000 Series, DX2060 Series, DX2100 Series, DX2180 Series, DX2200 Series, DX2250 Series, DX2290 Series, DX2300 Series, DX2390 Series, DX2400 Series, DX5150 Series, DX6050 Series, DX6100 Series, DX6120 Series, DX6128 Series, DX7200 Series, DX7208 Series, DX7300 Series, DX7400 Series
✔️ Desktop Motherboards: YNRC-BR Desktop Motherboard

✔️ Compaq ProSignia Server Series: ProSignia 720 Server Series
✔️ Compaq ProLiant Server Series: ProLiant 1850R Series, ProLiant 400 Series, ProLiant 8500 Series
✔️ Compaq TaskSmart Server Series: TaskSmart C4000 Series, TaskSmart C600 Series, TaskSmart C900 Series, TaskSmart W2200 Series

✔️ ProLiant DL100 Series: DL140, DL140 G2, DL140 G3, DL145, DL145 G2, DL145 G2, DL145 G2, DL160 Gen9, DL180 Gen9, DL185 G5
✔️ ProLiant DL300 Series: DL320, DL320 G2, DL320 G3, DL320 G5, DL360 G1, DL360 G2, DL360 G3, DL360 G4, DL360 G4p, DL360 G5, DL360 G6, DL360 G7, DL360 Gen9, DL360 Gen10, DL360p Gen8, DL360p Gen8 SE, DL365 G1, DL365 G5, DL370 G6, DL380 G3, DL380 G4, DL380 G5, DL380 G6, DL380 G7, DL380 Gen9, DL380 Gen10, DL380e Gen8, DL380p Gen8, DL380p Gen8 SE, DL385, DL385 G2, DL385 G5, DL385 G6, DL385 G7, DL385 Gen10, DL385p Gen8, DL388, DL388 G7, DL388p Gen8
✔️ ProLiant DL500 Series: DL560, DL560 Gen8, DL560 Gen9, DL580, DL580 G2, DL580 G3, DL580 G4, DL580 G5, DL580 G7, DL580 Gen8, DL580 Gen10, DL585, DL585 G2, DL585 G3, DL585 G4, DL585 G5, DL585 G6, DL585 G7, DL590, DL590/64
✔️ ProLiant DL700 Series: DL740, DL760, DL760 G2, DL785 G5, DL785 G6
✔️ ProLiant DL900 Series: DL980 G7
✔️ ProLiant DL80 Series: DL80 Gen9

✔️ ProLiant ML100 Series: ML110, ML110 G2, ML110 G3, ML110 G4, ML110 G5, ML150, ML150 G2
✔️ ProLiant ML300 Series: ML310, ML310 G2, ML310 G3, ML310 G4, ML310e Gen8, ML330, ML330 G1, ML330 G2, ML330 G3, ML330 G6, ML330e, ML350, ML350 G2, ML350 G3, ML350 G4, ML350 G4p, ML350 G5, ML350 G6, ML350p Gen8, ML350 Gen10, ML370, ML370 G1, ML370 G2, ML370 G3, ML370 G4, ML370 G5, ML370 G6
✔️ ProLiant ML500 Series: ML530, ML530 G2, ML570, ML570 G2, ML570 G3, ML570 G4
✔️ ProLiant ML700 Series: ML770

✔️ ProLiant BL Series: BL10e, BL10e G2, BL20p, BL20p G2, BL20p, BL30p, BL35p, BL260c G5, BL2x220c G5, BL460c G5, BL460c G6, BL465c G7, BL490c G6, BL620c G7, BL680c G7, BL685c, BL685c G6, WS460c G6

✔️ Netserver Series: Netserver E Series, Netserver L Series
✔️ Server tc Series: Server tc2100 Series, Server tc2110 Series, Server tc2120 Series

✔️ StorageWorks Series: StorageWorks DLT 40/80 HVD, StorageWorks ESL9000 Tape Library, StorageWorks 6000 Virtual Library System
✔️ StoreEasy Series: StoreEasy 1000 Storage, StoreEasy 3000 Gateway Storage, StoreEasy 3000 Gateway Storage Blade
✔️ StoreAll Series: StoreAll Storage, StoreAll Gateway Storage
✔️ StoreVirtual Series: StoreVirtual 4000 Storage
✔️ LeftHand Series: LeftHand P4000 SAN Solutions, P4000 G2 SAN Solutions, LeftHand NSM Storage

✔️ 3PAR Series: 3PAR StoreServ File Controller
✔️ Apollo Series: Apollo 4200 Gen9
✔️ Cloudline Series: Cloudline CL2100 Gen10, Cloudline CL2200 Gen10

✔️ Integrity rx Series: Integrity rx2900, Integrity rx3600, Integrity rx6600
✔️ Integrity Superdome Series: Integrity Superdome sx1000
✔️ 9000 Superdome Series: 9000 Superdome Servers
✔️ Superdome x86 SMS Series: Superdome x86 SMS Windows 2003 Server
✔️ Superdome Rack Systems: Superdome Rack System Management Station
✔️ Seismic Rack: Seismic Rack
✔️ High Availability Storage Server: ProLiant High Availability Storage Server

☑️ Key Features

☑️ Maintains BIOS/RTC settings when the system is powered off or unplugged
☑️ Matches the listed HP spare part number family for simple part-number verification
☑️ Common RTC/CMOS replacement for many HP desktop, laptop, and server motherboards

⚙️ Fit Notes

• If your system uses a coin-cell assembly with a holder/cable, verify the connector style and lead length match your original before ordering.
• If your BIOS settings or clock keep resetting, replacing the RTC/CMOS battery is often the correct fix.