HP Envy 15-3000 Replacement Battery 14.8V 4850mAh HSTNN-UB3H
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HP Envy 15-3000 Replacement Battery 14.8V 4850mAh HSTNN-UB3H - 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 Envy 15-3000 Replacement Battery 14.8V 4850mAh HSTNN-UB3H - is backordered and will ship as soon as it is back in stock.
Voltage
14.8V
Amp
4850mAh
HP Envy 15-3000 Series — 14.8V Li-Polymer Replacement Battery (HSTNN-UB3H)
This 14.8V, 4850mAh (71.78Wh) lithium-polymer battery replaces the original cell in HP Envy 15-3000, 15-3100, 15-3200, and 15-3300 series laptops. It matches the OEM connector, BMS handshake protocol, and voltage rail used across this Envy generation. Fit is confirmed against OEM part numbers HSTNN-UB3H, HSTNN-DB3H, TPN-I104, LR08XL, and 660152-001 among others.
- Envy 15-3000 through 15-3300 compatibility: These four sub-series share the same 14.8V four-cell architecture, identical board connector, and the same BMS communication protocol — which is why one cell works across all of them without firmware differences.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on an Envy 15-3000 chassis. The BMS handshake completed correctly, charge acceptance reached full rated capacity, and the BIOS recognised the cell without fault flags during our test cycles.
- Post-install calibration on the Envy 15: After fitting, run one full discharge down to hibernate-cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that routinely appears after any cell swap on this platform.
Why the Envy 15 BIOS reports poor battery health after a cell swap
The Envy 15 stores battery health data in EEPROM on the original cell. When you swap in a new cell, that EEPROM data is gone and the BIOS flags the battery as degraded or unknown — even though the new cell is full capacity. This is a data mismatch, not a hardware fault. Running one full discharge-to-hibernate then an uninterrupted charge to 100% lets the BIOS rewrite its learn-cycle data against the new cell. After two to three full cycles, the health indicator normalises.
Laptop shuts off at 20–30% charge shown on screen
This happens when the fuel gauge IC has not yet calibrated against the new cell's discharge curve. The gauge loses track of actual remaining capacity and the laptop hits a voltage cliff — the cell voltage drops below the BMS cutoff threshold before the OS-reported percentage reaches zero. It is not a faulty cell. Run two full discharge-to-hibernate cycles followed by uninterrupted charges to 100% to force the fuel gauge IC to map the new cell correctly. After calibration, shutdowns under load typically stop occurring above 10–12%.
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
My HP Envy 15 is showing the new battery as "0% available (plugged in, not charging)" right after install — what's wrong?
The BIOS fuel gauge IC hasn't synchronised with the new cell's EEPROM yet, so it reads zero until the learn cycle runs. Plug in the charger, leave it connected for 30 minutes without powering on, then boot normally. If the charge percentage still reads 0%, do a full shut down, hold the power button for 15 seconds with the charger unplugged, then reconnect and charge uninterrupted to 100%.
System information shows this battery as 47Wh but the spec says 71.78Wh — is the cell underspec?
That figure comes from the EEPROM on the old cell, which Windows caches and continues to display after a swap. The OS reads rated Wh from stored battery data, not from live chemistry measurement. Run one full discharge to hibernate-cutoff followed by a complete charge to 100% — this forces the system to rewrite the battery profile. After one calibration cycle, the reported Wh value updates to reflect the actual new cell.
New battery won't charge past 80% on the Envy 15 — is there a fault with the cell?
No — the HP BIOS on this platform includes a battery charge limit setting that caps charging at 80% when enabled. Check HP Support Assistant or the BIOS power settings (F10 at boot → Power → Battery Care Function) and confirm the charge limit is set to 100%. If HP Support Assistant shows "Battery Care Mode" is on, disable it. The cell itself has no 80% limit — this is entirely firmware-controlled on the Envy 15 board.
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