HP Pro X2 612 G2 SE04XL Replacement Battery 7.7V 5300mAh
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HP Pro X2 612 G2 SE04XL Replacement Battery 7.7V 5300mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
HP Pro X2 612 G2 SE04XL Replacement Battery 7.7V 5300mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.7V
Amp
5300mAh
HP Pro X2 612 G2 — 7.7V Li-Polymer Replacement Battery (SE04XL)
This is a 7.7V, 5300mAh (40.81Wh) Li-Polymer cell for the HP Pro X2 612 G2 detachable 2-in-1. It fits models including 1LA51UT, 1FX32LT, L5H64EA, and 1KZ49PA, plus 83 additional variants. It replaces OEM part numbers SE04XL, 860708-855, 860724-2B1, 860724-2C1, and HSTNN-DB7Q.
- Pro X2 612 G2 platform fit: All covered variants share the same 7.7V battery rail, SE04XL connector pinout, and BMS handshake protocol. Swapping across these SKUs does not require firmware changes — the tablet's power controller reads the same cell ID.
- Bench tested on actual hardware: We cycled this cell through charge and discharge on a Pro X2 612 G2 unit. The BMS accepted the cell without fault flags, balancing kicked in correctly across the polymer cell stack, and charge termination landed at the expected 8.7V cutoff.
- Post-install calibration cycle: After installing, run the tablet down until it hibernates on its own, then charge uninterrupted to 100% without using the device. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap.
BIOS reporting poor battery health immediately after replacement
The HP Pro X2 612 G2 stores health data from the previous cell in its EEPROM. When a new cell goes in, the BIOS compares live readings against that stored baseline and flags a mismatch as degraded health. This is not a fault with the replacement cell — it is stale data from the original battery. Running one full discharge-to-hibernate followed by an uninterrupted charge to 100% overwrites the learn cycle and resolves the warning. If the flag persists after two full cycles, check BIOS under Power → Battery Health Manager and confirm the charge limit is not set to 80%.
Tablet shuts down at 20–30% shown on the fuel gauge
This happens when the fuel gauge IC has not yet calibrated against the new cell's discharge curve. The old curve stored in the IC predicts a voltage floor that does not match the new polymer cell, so the OS calls a shutdown before the cell is actually depleted. It is not a faulty cell — it is a calibration lag. Run two to three full discharge-to-hibernate and full charge cycles without interrupting the charge. After those cycles, the fuel gauge re-maps to the new cell and shutdown will not occur above 8–10% remaining.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: HP
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-Polymer
- Battery Type: Li-Polymer
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The HP Pro X2 612 G2 shows the replacement battery as "0% available (plugged in, not charging)" in Windows — what is causing this?
The fuel gauge IC is reading EEPROM data from the old cell and has not yet accepted the new cell's identity. Disconnect the AC adapter, let the tablet discharge fully until it hibernates on its own, then plug in and charge uninterrupted to 100%. This forces the BIOS battery learn cycle to re-initialise against the new cell and clears the 0% stall.
Windows Device Manager shows the new battery's Wh rating as lower than the 40.81Wh spec — is something wrong with the cell?
Nothing is wrong. The Wh figure Windows reads comes from EEPROM data written during manufacture, and the value can differ slightly from the actual measured chemistry capacity of a replacement cell. The cell itself delivers the correct energy — the discrepancy is a reporting difference between the stored EEPROM rated value and the replacement cell's actual chemistry. After two full calibration cycles the reported figure will stabilise, though minor variation from the spec label is normal and does not affect charge capacity.
The replacement battery stopped charging at 80% and will not go higher regardless of how long it stays on charge — is the cell defective?
This is a BIOS charge limit setting, not a cell fault. HP's Battery Health Manager in the BIOS can be configured to cap charging at 80% to reduce long-term polymer cell stress. Open the BIOS (F10 at startup), navigate to Power → Battery Health Manager, and set it to "Let HP manage my battery charging" or "Full charge." Save and exit — charging will resume past 80% on the next cycle.
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