MaxData Pro 6100I Compatible Battery 11.1V 4400mAh Li-ion

MaxData Pro 6100I Series — 11.1V Li-ion Replacement Battery

This is an 11.1V, 4400mAh (48.84Wh) Li-ion battery for the MaxData Pro 6100I, Imperio 8100IS, Pro 600IW, and Pro 6100IW laptops. It slots in where the original cell has lost capacity or stopped holding charge. Voltage and connector match the original spec — no adapter needed.

• Pro 6100I and Imperio 8100IS platform fit: These models share the same 11.1V three-cell Li-ion architecture, battery bay dimensions, and connector pinout. The BMS handshake protocol is identical across the range, so the same cell works across all listed variants without firmware conflict.
• Bench tested on actual hardware: We cycled this cell through charge, full-load discharge, and BMS cutoff on a Pro 6100I unit. The BMS accepted the cell without error flags, charge termination triggered correctly at 12.6V, and the protection circuit tripped cleanly at the low-voltage threshold.
• Post-install calibration on MaxData BIOS: After fitting this cell, run one full discharge to hibernate-cutoff before recharging. MaxData's BIOS battery learn cycle resets against the new cell during that first full cycle — skipping it causes the health indicator to read inaccurate data from the old cell's EEPROM record.

BIOS reporting poor battery health immediately after fitting this cell

The MaxData BIOS reads health data from EEPROM registers that were written by the previous cell over its charge history. When a new cell is installed, those registers still reflect the degraded state of the old battery. The BIOS flags "poor health" or a low percentage because it has not yet run a learn cycle against the new chemistry. One full discharge to hibernate-cutoff followed by an uninterrupted charge to 100% rewrites the calibration baseline. After that cycle, the health indicator should update to reflect the new cell's actual state.

Laptop shuts down at 20–30% charge shown on screen

This is a voltage cliff issue, not a fuel gauge error. Under combined CPU and display load, the cell voltage drops faster than the OS fuel gauge can track — the laptop hits the BIOS low-voltage cutoff while the gauge still shows 20–30% remaining. It happens most often when the fuel gauge IC has not yet calibrated against the new cell's actual discharge curve. Run two full discharge-to-hibernate and charge-to-100% cycles. After calibration, the gauge and the actual cutoff voltage — around 9.0V under load — align correctly.