Compaq Mini 102 Replacement Battery 11.1V 4400mAh 530973-741
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Compaq Mini 102 Replacement Battery 11.1V 4400mAh 530973-741 - 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.
Compaq Mini 102 Replacement Battery 11.1V 4400mAh 530973-741 - is backordered and will ship as soon as it is back in stock.
Voltage
11.1V
Amp
4400mAh
Compaq Mini 102 / Mini 110c Series — 11.1V Li-ion Replacement Battery (530973-741)
This is an 11.1V, 4400mAh (48.84Wh) Li-ion battery for the Compaq Mini 102 and Mini 110c netbook series. It replaces OEM part numbers including 530973-741, HSTNN-CB0D, HSTNN-LB0C, NY220AA, and NY221AA. The cell fits the standard battery bay and connects via the original multi-pin dock connector on these netbooks.
- Mini 102 and 110c platform compatibility: These netbooks share the same 11.1V three-cell battery rail, identical bay dimensions, and the same BMS handshake protocol — which is why a single cell covers over 100 model variants across both lines.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on Mini 110c hardware. The BMS completed a full handshake, protection circuits triggered correctly at low-voltage cutoff, and the charge controller accepted a full cycle without fault codes.
- Post-install calibration on the Mini 102 and 110c: After fitting this cell, run one full discharge until the netbook hibernates, 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 Mini 102 shuts down at 20–30% remaining after a battery swap
The Mini 102 BIOS uses a fuel gauge IC that builds a charge map against the original cell's discharge curve. When a new cell goes in, that map is stale — the BIOS triggers a low-voltage shutdown well before the new cell is actually empty. The fix is a full calibration cycle: discharge to hibernate-cutoff under normal use, then charge to 100% without interruption. After two to three of these cycles, the fuel gauge IC recalibrates against the new cell's actual curve and shutdowns at false-low percentages stop.
BIOS reporting the new cell's Wh rating incorrectly in system info
The Wh value shown in BIOS or HP System Information is read from EEPROM data embedded in the battery controller, not calculated live from the cell. If the EEPROM stores a rated value from a different cell variant, the display figure will not match the physical 48.84Wh of this cell. This is a reporting discrepancy only — it does not affect charge capacity or how the cell performs. Check actual charge behaviour rather than the BIOS readout to confirm the cell is working correctly.
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
The Mini 110c shows "0% available (plugged in, charging)" and never moves — is the new battery dead?
This is almost always the BIOS failing to initialise the fuel gauge IC against the new cell's EEPROM data, not a dead battery. The cell is charging, but the controller hasn't completed the handshake yet. Leave it plugged in for a full uninterrupted charge cycle — most Mini 110c units clear this on the first complete cycle. If the reading stays stuck after one full charge, run a full discharge to hibernate-cutoff, then charge back to 100% to force a BIOS battery learn cycle.
Windows is showing this battery as "Consider replacing your battery" immediately after fitting a brand-new cell — why?
Windows pulls battery health status from the BIOS, which carries over the degraded health flag from the old cell's EEPROM record. The new cell hasn't yet logged enough cycle data for the BIOS to clear that flag. Run two full discharge-to-hibernate then charge-to-100% cycles without interruption. After those calibration passes, the BIOS updates its health assessment and the Windows warning clears on most Mini 102 and 110c units.
The Mini 102 charges to 100% on the first use but only reaches 80% on every charge after that — what changed?
Some Mini 102 BIOS versions activate a charge-limit mode after the first cycle if the battery learn cycle wasn't completed properly on initial install. This is a firmware-controlled ceiling, not a cell fault. Go into HP Battery Check or the BIOS power settings and confirm no charge threshold is set. If the limit isn't set there, do one full discharge to hibernate-cutoff followed by an uninterrupted charge — this resets the learn cycle and the BIOS lifts the 80% ceiling on the next charge.
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