






🔋 Power your HP like a pro — never miss a BIOS beat!
The LeFix CMOS RTC BIOS Battery Replacement is a precision-engineered 3V lithium CR2032 battery with a 2-pin, 2-wire connector designed specifically for HP 820 G1 and 640 G1 models. Featuring a compact 20mm diameter and 3.2mm thickness, plus a 2-inch cable with 1.0mm pitch connector, it ensures seamless BIOS power continuity and easy installation, keeping your system reliable and ready.
| Brand | LeFix |
| Manufacturer | LeFix |
| Model | 820 G1 640 G1 |
| Model Name | cr2032 |
| Product Dimensions | 4.5 x 2 x 0.32 cm; 9 g |
| Batteries | 1 CR2 batteries required. (included) |
| Item model number | 820 G1 640 G1 |
| Compatible Devices | CMOS Battery |
| Mounting Hardware | Battery |
| Voltage | 3 Volts |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery Capacity | 220 Amp Hours |
| Battery cell composition | Lithium Manganese Dioxide |
| Manufacturer | LeFix |
| Item Weight | 9 g |
Trustpilot
3 weeks ago
3 weeks ago