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HP Stream 11 PS03XL Replacement Battery 11.4V 3700mAh

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From $109.99 USD $130.99
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Fits HP Stream 11 series laptops; replaces PS03XL, HSTNN-DB6R, and 787520-005 OEM batteries.
11.4V at 3700mAh delivers 42.18Wh to sustain the Stream 11's fanless CPU and display load across sessions.
Connector plugs straight into the original slot with no adapter needed; locking tab secures flush against the chassis.
We bench-tested the cell against a dead PS03XL original; BMS accepted charge at 2A input, reached full voltage in under three hours.
After installation, discharge the laptop completely to hibernation cutoff, then charge uninterrupted to 100% — this resets the BIOS fuel gauge that often reports false capacity loss on cell swaps.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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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.

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🔹 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.

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⚠️ 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.

Voltage

11.4V

Amp

3700mAh

HP Stream 11 Series — 11.4V Li-Polymer Replacement Battery (PS03XL)

This is an 11.4V, 3700mAh (42.18Wh) Li-Polymer battery for the HP Stream 11 notebook. It fits the Stream 11-R010NR, Stream 11-R050SA, Stream 11-R000NG, and over 48 other Stream 11 variants. OEM part numbers include PS03XL, HSTNN-DB6R, and 787520-005.

  • Stream 11 platform fit: All Stream 11 variants on this list share the same 11.4V three-cell Li-Polymer architecture, identical connector pinout, and the same BMS handshake protocol. Swapping within this family does not require firmware changes or hardware modification.
  • Bench tested on actual hardware: We ran this cell on a Stream 11-R010NR unit. The BMS completed the handshake, charge current stepped correctly through CC and CV phases, and the protection circuit triggered cleanly at the low-voltage cutoff threshold without nuisance trips.
  • Post-install calibration on the Stream 11: After fitting this battery, let the laptop discharge fully until it hibernates on its own — do not force a shutdown. Then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the false "poor health" warning that appears after every cell swap on this platform.

Why the Stream 11 shuts down at 20–30% after a battery swap

The Stream 11's BIOS fuel gauge IC builds a discharge curve against the old cell over hundreds of cycles. When a new cell goes in, that stored curve no longer matches the actual voltage profile of the fresh chemistry. Under combined CPU and display load, the system hits a voltage point it interprets as near-empty — even though the cell has charge remaining. Running two or three full discharge-to-hibernate and uninterrupted-charge cycles forces the fuel gauge IC to recalibrate against the new cell's actual curve. After calibration, the cutoff point tracks accurately again.

BIOS reporting battery Wh as incorrect after fitting a new cell

The Wh value shown in BIOS comes from EEPROM data embedded in the battery's communication circuit — not from a live measurement of the cell. Some Stream 11 replacement cells carry EEPROM values written at manufacture that differ slightly from the actual chemistry rating. If BIOS shows a Wh figure that does not match the 42.18Wh spec on this listing, that is an EEPROM read, not a cell fault. The cell's actual charge capacity is unaffected. Confirm the discrepancy by checking the rated label on the battery directly and cross-referencing against the 42.18Wh figure in the product data.

Compatible Models

Stream 11 Stream 11-R010NR Stream 11-R050SA Stream 11-R000NG Stream 11-R008TU Stream 11-D010NR Stream 11-D023TU Stream x360 11-p102nf Stream x360 11-p000no Stream x360 11-p099nd Stream x360 11-p085ng Stream x360 11-p010ca Stream x360 11-p112nr Stream x360 11-p120nr Stream x360 11-p001ng Stream x360 11-p100nb Stream x360 11-p011nx Stream x360 11-p191nr Stream x360 11-p007la Stream x360 11-p100nt Stream x360 11-p015cl Stream x360 11-p010nk Stream x360 11-p010ne Stream x360 11-p101nf Stream x360 11-p091nr Stream x360 11-p015ni Stream x360 11-p010nt Stream x360 11-p110ca Stream x360 11-p000ng Stream x360 11-p110nr Stream x360 11-p100na Stream x360 11-p010nia Stream x360 11-p129ms Stream x360 11-p001nx Stream x360 11-p100no Stream x360 11-p000nd Stream x360 11-p101la Stream x360 11-p025ns Stream x360 11-p010nv Stream x360 11-p000nf Stream 11-p000nf Stream x360 11-p000 Stream x360 11-p010na Stream 11-p010na Stream x360 11-p010nr Stream X360 11-P Stream x360 11-p015wm PAVILION X360 310 G1 PAVILION X360 310 STREAM 11 X360 Pavilion X360 Stream 11-p099nf

Replaces Part Numbers

PS03XL HSTNN-DB6R 787520-005 778956-005 HSTNN-DB6O 778813-221 787088-221 787088-241 db6r HSTNN-DB60 hstnn-db6r-1 PL03 PL03043-PR PS03043XL PS03043XL-PR 1588-3003 6EKHK01BB6O03Q 778813-231

Technical Specifications

Voltage11.4V
Amp Hours3700mAh
Capacity3700mAh
Rate42.18Wh
Net Weight225g /7.94 oz
Gross Weight485g /17.11 oz
Approximate Weight485g /17.11 oz
Dimension 251.20 x 103.20 x 8.10mm

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 Stream 11 shows 0% or "unknown" battery in Windows right after fitting the new PS03XL — is the cell dead?

No — this is an EEPROM handshake delay, not a dead cell. The Stream 11's fuel gauge IC has to read authentication data from the new battery's communication circuit before Windows registers a valid charge state. Shut the laptop down completely, leave it off for 60 seconds, then boot again. If Windows still shows 0%, plug in the AC adapter and wait five minutes before checking again — the charge controller needs live current flow to complete the initialisation handshake.

The fuel gauge on my Stream 11 jumps wildly — showing 80%, then 45%, then 90% within minutes of unplugging. What's happening?

The fuel gauge IC on this platform calibrates its discharge curve against cycle history stored from the old cell. With a new cell fitted, those stored reference points no longer match the actual voltage-to-capacity relationship of the fresh chemistry, so the percentage reading swings erratically. Run three consecutive full cycles — discharge to automatic hibernate, then charge uninterrupted to 100% each time. By the third cycle the IC has enough new data to lock the curve, and the gauge stabilises.

My Stream 11 stops charging at 80% and won't go higher. Is this a fault with the replacement battery?

This is almost always a BIOS-controlled charge limit, not a battery fault. HP included an adaptive charging setting in the Stream 11 firmware that caps charge at 80% to reduce cell stress during long periods plugged in. Check BIOS under Power Management or look for HP Battery Health Manager in Windows — the limit is set there, not in the battery itself. Disable the limit or switch to "full charge" mode, and the cell will charge to 100V without issue.

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