Compaq Presario X1071AP 14.8V Replacement Battery 337607-001
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Compaq Presario X1071AP 14.8V Replacement Battery 337607-001 - 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
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Compaq Presario X1071AP 14.8V Replacement Battery 337607-001 - is backordered and will ship as soon as it is back in stock.
Voltage
14.8V
Amp
4400mAh
Compaq Presario X1071AP Series — 14.8V Li-ion Replacement Battery (337607-001)
This is a 14.8V, 4400mAh Li-ion battery for the Compaq Presario X1000 and X1200 notebook series, including the X1071AP-DQ977A, X1098AP-DR828A, X1210US, X1237AP, and over 300 additional Presario models. It replaces OEM part numbers 337607-001, 336962-001, PP2082P, 337607-002, and PP2080. Capacity is 65.12Wh — identical to the original cell specification.
- Presario X1000 and X1200 platform fit: These Presario notebooks share a common battery bay format, connector pinout, and BMS handshake protocol across the X1000 and X1200 chassis generations. The same 14.8V rail and four-pin communication line runs across all affected models, which is why one cell covers hundreds of SKUs.
- Bench tested on actual hardware: We cycled this cell on a Presario X1200-series unit and confirmed the BMS negotiated correctly at first contact — no trip, no false fault flag. Charge acceptance held across three full cycles without the controller throttling current prematurely.
- 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 this platform.
Why the Presario X1000 BIOS reports poor battery health after a cell swap
The Presario BIOS reads health data from the battery's EEPROM — a small memory chip that stores charge cycle count, rated capacity, and manufacture date. When a new cell arrives, that EEPROM data does not match the wear history the BIOS expects from the old pack. The controller flags this mismatch as degraded health, even on a fresh cell. Running one complete discharge-to-hibernate then a full uninterrupted charge forces the BIOS to rewrite its reference data against the new cell's actual readings. After that cycle, the health indicator normalises.
Presario shutting down at 20–30% charge shown on screen
This happens when the fuel gauge IC has not yet calibrated its discharge curve against the new cell's chemistry. The gauge predicts remaining capacity using data from the old, degraded pack — it calls 20–30% as the voltage floor because that is where the old cell used to collapse. Under full CPU and display load, the laptop hits what it thinks is empty and cuts power. The fix is a full calibration cycle: discharge fully until hibernate triggers, then charge uninterrupted to 100%. Repeat once more if the gauge still reads inaccurately — two cycles typically bring it within 5% of actual remaining voltage.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Compaq
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Presario shows the battery as "unknown" or 0% right after fitting the new cell — is it faulty?
The BIOS is reading stale EEPROM data from the old pack and has not yet written a new baseline against the replacement cell. It is not a faulty battery. Run one full discharge to hibernate cutoff, then charge uninterrupted to 100% without interruption. That learn cycle rewrites the reference data and clears the unknown or 0% reading.
System info shows the wrong Wh rating after installing this battery — it says something different from 65.12Wh.
The Wh figure shown in Windows or the BIOS is pulled from the battery EEPROM, which stores the manufacturer's rated value at the time of writing — not a live measurement. Some original Compaq EEPROM entries used a slightly different rated figure depending on firmware revision. The physical cell capacity is 65.12Wh as confirmed on the bench. The discrepancy is a data label difference, not a capacity shortfall — no action needed unless the laptop also fails to charge correctly.
New battery charges fine but the fuel gauge is jumping around — shows 60%, then 45%, then 70% within minutes.
The fuel gauge IC is still running its estimation algorithm against the discharge profile of the old, worn cell. It has no accurate curve for the new cell yet, so readings swing until it gathers real data. Two full discharge-to-hibernate and uninterrupted-charge cycles give the IC enough data points to lock onto the new cell's actual voltage curve. After the second cycle, check the gauge under load — it should stabilise within ±5% of the true remaining charge.
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