About this replacement
Honor MagicBook Pro 4600H — 7.64V Li-Polymer Replacement Battery (HB6081V1ECW-22A)
This is a 7.64V, 7300mAh (55.77Wh) Li-Polymer battery for the Honor MagicBook Pro 4600H, HLYL-WFQ9, and MagicBook Pro i. It replaces the original HB6081V1ECW-22A cell when the stock battery has degraded, swells, or no longer holds a charge. The connector and BMS handshake match the original hardware.
- MagicBook Pro 4600H / HLYL-WFQ9 / MagicBook Pro i fitment: These three models share the same 7.64V battery rail, identical ZIF connector pinout, and the same BMS communication protocol — so one cell covers all three without any adapter or firmware difference.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the MagicBook Pro platform. The BMS accepted the new cell without triggering a protection cutoff, and the fuel gauge IC responded correctly once a calibration cycle was completed.
- Post-install calibration on the MagicBook Pro: After fitting the new 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.
BIOS reporting battery health as poor immediately after swapping the cell
The MagicBook Pro's BIOS reads health data stored in the old cell's EEPROM and compares it against the new cell on first boot. A fresh cell with no cycle history triggers a mismatch flag, which shows as "poor" or "unknown" health — not a fault with the replacement. Run one full discharge-to-hibernate followed by an uninterrupted charge to 100%. The BIOS battery learn cycle will rewrite the health register once the full cycle completes. After that single cycle the health status reports correctly.
Laptop shutting down at 20–30% shown on the fuel gauge
This is a voltage cliff issue, not a faulty cell. Under full CPU and display load, the MagicBook Pro draws enough current to pull the cell voltage below the BMS cutoff threshold before the fuel gauge reaches 0%. The gauge IC was calibrated against the old cell's discharge curve, so it reads 20–30% when the actual usable charge is already gone. Two full discharge-to-hibernate and recharge cycles recalibrate the fuel gauge IC against the new cell's curve. After calibration, the shutdown point drops back to single-digit percentages where it belongs.