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Samsung XE303C12 Chromebook Replacement Battery 7.5V AA-PBZN2TP

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From $61.99 USD $75.99
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Fits Samsung XE303C12 and XE303C12-A01US Chromebook; replaces AA-PBZN2TP and BA43-00355A.
7.5V and 4080mAh lithium-polymer chemistry sustains the Chromebook CPU and display load cycle.
Connector slides straight into the battery slot with a single locking tab; no force.
We ran the cell on the XE303C12 motherboard; BMS accepted the handshake on first charge.
After installation, run one full discharge to hibernation 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.
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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By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
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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.

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.

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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

7.5V

Amp

4080mAh

Samsung Chromebook XE303C12 — 7.5V Li-Polymer Replacement Battery (AA-PBZN2TP)

This is a 7.5V, 4080mAh (30.6Wh) lithium-polymer replacement battery for the Samsung Chromebook XE303C12 and Chromebook Series 3. It also fits the ATIV Smart PC 500T line. OEM part numbers AA-PBZN2TP and BA43-00355A both map to this cell.

  • XE303C12 and Series 3 platform fit: These models share the same 7.5V power rail, flat Li-Polymer form factor, and connector pinout. The BMS on each expects the same charge termination voltage, so the same cell works across the full family without modification.
  • Bench tested on actual hardware: We ran this cell in an XE303C12 chassis and confirmed BMS handshake, correct charge termination at 8.7V, and stable discharge through a full CPU and display load cycle. No false cutoff events triggered.
  • Post-install calibration on the XE303C12: After fitting this battery, run the Chromebook down until it hibernates, then charge uninterrupted to 100%. This resets the EC battery learn cycle and clears the inaccurate health warning that appears after every cell swap on this platform.

Why the XE303C12 shuts down at 20–30% after a battery swap

The Chromebook's embedded controller tracks cell voltage curves from the previous battery. After a swap, it still uses those old voltage thresholds to estimate state of charge. When the new cell hits a voltage point the EC associates with near-empty, it triggers shutdown — even if actual capacity remains. This is not a fault with the replacement cell. One full discharge-to-hibernate followed by a full uninterrupted charge teaches the EC the new cell's curve and eliminates premature shutdowns.

ChromeOS fuel gauge reading 0% or "unknown" immediately after install

The fuel gauge IC on the XE303C12 reads EEPROM data written by the original cell to calculate charge state. A new cell arrives with different EEPROM baseline values, so the gauge reports 0% or unknown until it collects real discharge data. This is a calibration gap, not a dead battery. Plug in, let it charge fully, then discharge to hibernate once — the fuel gauge IC recalibrates against the new cell's actual chemistry and the readout stabilises within two cycles.

Compatible Models

XE303C12 XE303C12-A01US Chromebook Series 3 ATIV Smart PC 500T 905S3G-K01 XE303C12-H01DE NP905S3G-K01FR 910S3G-K02 Series NP910S3K-K02 XE500T1C-A06DE NP905S3G-K05CN NP905S3G-K02IT 905S3G-K04 Series NP910S3K-K04 NP905S3G-K01 NP905S3G-K01PL XE303C12-A01CA 915S3G-K01 Series NP910S3L-K05 NP910S3K-K0A XE500T1C-H01DE White NP905S3G-K01ES NP905S3G-K08CN NP905S3G-K02PL 910S3G-K02 905S3G-K06 Series XE500T1C-A01FR NP910S3K-K05 NP905S3G-K07CN NP905S3G-K02BE 915S3G-K04 Series NP910S3L-K03 NP905S3G-K01SE XE500T1C-K01DE XE303C1W NP905S3G-K01CH NP905S3G-K03BE 905S3G-K08 Series NP910S3K-K07 XE500T1C-A02DE NP905S3G-K04FR NP905S3G-K04CN NP905S3G-K02CZ 905S3G Series NP910S3L-K04 XE303C12-A01DE NP905S3G-K01UK NP905S3G-K01DE NP905S3G-K03DE 910S3G-K01 Series NP910S3K-K03 XE500T1C-A04DE NP905S3G-K04SE NP915S3G-K02CN NP905S3G-K02FR 905S3G-K02 Series NP915S3G-K05CN NP905S3G-K01NL XE303C12-A01AU NP910S3K-K01 NP915S3G- K05CH NP905S3G-K06CN NP905S3G-K02NL 905S3G-K05 Series NP910S3K-K0D NP915S3PG-K02UK XE503C12-KO2SE NP915S3G-K01CN NP905S3G-K02 XE303C12-H01UK NP905S3G-K03UK XE500T1C-H02DE XE500T1C-A04U NP905S3G-K01BE NP905S3G-K02UK 905S3G-K07 Series NP905S3G-K01IT NP910S3K-K0C XE500T1C-A01PL NP905S3G-K02ES NP915S3G-K04CN NP905S3G-K02CH NP910S3L-K02 XE303C12-A01UK XE500T1C-K02DE NP905S3G-K01CZ NP905S3G-K03CH 910S3G Series Series XE500T1C-A03DE NP910S3G-K02CH 905S3G-K08 NP905S3G-K01CN NP905S3G-K02DE 915S3G-K04 905S3G-K05 XE500TIC XE500T1C-A01UK 905S3G-K02 XE500T1C-A01DE NP90553G-K06IT XE500T1C-A01AU XE500T1C-H01DE NP910S3L-K06 XE500T2RU 905S3G-K04 XE303C12-H01 905S3G-K07 905S3G-K06 ATIV Book 9 Lite 910S3L XE550T1C Chromebook XE500C12-K01US 915S3G Series 915S3G-K02 Series 915S3G-K02CA 915S3G-K05 XE503C12-K01US NP915S3G-K01US NP915S3G-K01 910S3G-K01 915S3G-K01 NP910S3K NP915S3G-K02 XE500T1C-A04US 915S3G-K02 XE500T1C-905S3G K05CN NP910S3L XE500T1C- 910S3G NP905S3G NP910S3G NP915S3G ATIV Smart PC 910s3g ATIV 500t Chromebook 2 XE500C12 Chromebook 2 (XE500C12) Chromebook XE500C12 915s3g XE500C12 XE500T1C XE500T 905s3g XE303C XE303 XE500C 303C Chromebook 2 Chromebook 3

Replaces Part Numbers

AA-PBZN2TP BA43-00355A

Technical Specifications

Voltage7.5V
Amp Hours4080mAh
Capacity4080mAh
Rate30.6Wh
Net Weight153.1g /5.40 oz
Gross Weight413.1g /14.57 oz
Approximate Weight413.1g /14.57 oz
Dimension 257.34 x 96.40 x 3.49mm

Product Highlights

  • Brand: Samsung
  • 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

ChromeOS says my new battery is at 0% and won't move — is the cell dead?

No. The fuel gauge IC reads EEPROM data from the original cell to calculate state of charge, and a replacement cell ships with different baseline values. The gauge loses its reference point and reports 0% or unknown until it collects real discharge data from the new cell. Charge the battery fully without interruption, then run it down to hibernate once — the gauge IC recalibrates within two full cycles.

My Chromebook shows poor battery health in the diagnostics page straight after fitting the new cell — what's wrong?

Nothing is wrong with the cell. The Chromebook's embedded controller carries over health metrics written by the previous battery into its EEPROM. The new cell hasn't yet built a charge history on this machine, so the EC flags it as degraded by default. Run one full discharge-to-hibernate cycle followed by a full uninterrupted charge to 100% — this resets the EC battery learn cycle and the health status clears.

System info shows the wrong Wh rating after I installed the replacement — it's reporting a lower number than the spec sheet says.

The Wh figure shown in ChromeOS pulls from EEPROM data, which stores the rated capacity of the original cell, not live measurements from the new one. Until the embedded controller completes a full learn cycle against the replacement cell's actual chemistry, the displayed Wh will reflect the old cell's stored value. Discharge fully to hibernate, charge uninterrupted to 100%, and repeat once more — after two cycles the reported Wh figure will align with the new cell's 30.6Wh rating.

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