About this replacement
Dell Precision 15 3561 — 11.4V Li-Polymer Replacement Battery (9JRV0)
This 11.4V 8400mAh (95.76Wh) Li-Polymer battery is a direct cell replacement for the Dell Precision 15 3561 mobile workstation. It fits the 15-inch chassis used for engineering, CAD, and content creation workflows. OEM part numbers 9JRV0 and 53XP7 both cross-reference to this cell.
- Precision 15 3561 platform fit: The 3561 shares its battery bay and connector pinout across its Intel Core and Xeon variants. All use the same three-cell Li-Polymer pack at 11.4V with an SMBus BMS handshake — this cell satisfies that handshake and is recognised on first boot.
- Bench tested on actual hardware: We ran this cell on a 3561 unit under sustained CPU and display load. The BMS held voltage above 10.8V throughout the discharge curve and triggered hibernate cutoff cleanly without false low-voltage trips.
- BIOS learn cycle after install: After fitting this cell, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on Dell systems.
BIOS reporting battery health as poor after replacement
Dell's BIOS reads health data from EEPROM embedded in the battery pack. A new cell ships with factory EEPROM values that do not match the charge history the BIOS expects from a "known good" battery. This triggers a poor or unknown health flag even when the cell is physically fine. Run one full discharge-to-hibernate then a full uninterrupted charge — the BIOS battery learn cycle rewrites the health register against the new cell's actual data and the warning clears.
Laptop shutting down at 20–30% charge shown on screen
This is a voltage cliff failure, not a capacity problem. Under full CPU plus display load, the cell voltage drops faster than the fuel gauge IC can recalibrate — the system reads 25% remaining but the cell is already below the minimum sustain threshold. The fuel gauge IC needs two to three full charge-discharge cycles to map its discharge curve against the new cell's actual chemistry. After those calibration cycles, the percentage readout tracks correctly and the early shutdowns stop.