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Google Pixel 2 Replacement Battery G011A-B 3.85V 2700mAh

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From $26.99 USD $33.99
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Fits Google Pixel 2 smartphones; replaces OEM battery G011A-B, 35H00272-01M, 35H00272-03M.
This 3.85V 2700mAh lithium-polymer cell matches the original capacity and voltage curve for the Pixel 2 platform.
Connector seats flush into the proprietary Google contact pad with no mechanical locking tab required.
We cycled this pack on a Pixel 2 motherboard; the BMS accepted charge at standard USB-PD current with no gate faults.
On first use after installation, disable fast charging for one complete discharge-charge cycle to let the fuel gauge IC recalibrate against the new cell curve.
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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.

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.

Voltage

3.85V

Amp

2700mAh

Google Pixel 2 / G011A — 3.85V Li-Polymer Replacement Battery (G011A-B)

This 3.85V, 2700mAh lithium-polymer cell replaces the original battery in the Google Pixel 2 (model G011A). It carries OEM part numbers G011A-B, 35H00272-01M, and 35H00272-03M. Install it when the original cell no longer holds a useful charge after extended use.

  • Pixel 2 and G011A compatibility: Both device variants share the same charge IC, connector pinout, and BMS handshake protocol — one cell covers both. No adapter or wiring change needed.
  • Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on a Pixel 2 unit. The BMS negotiated correctly with the device charge controller and held voltage steady across screen-on and modem-active load conditions.
  • Fuel gauge recalibration after swap: On first use after installation, disable fast charging and run one complete discharge-charge cycle at standard rate. This lets the fuel gauge IC map its coulomb counter against the new cell's discharge curve before high-current fast charging applies load to an uncalibrated gauge.

Why the Pixel 2 reports wrong battery percentage after a cell swap

The Pixel 2 uses a coulomb-counting fuel gauge IC that builds its charge model from the original cell's discharge curve. When a new cell goes in, the stored curve no longer matches the new cell's actual voltage-to-capacity relationship. The gauge may report 100% while the cell is not fully charged, or drop suddenly to a low number before the cell is genuinely depleted. One full slow discharge down to automatic shutdown — followed by a full charge — resets the learned curve and restores accurate percentage reporting.

Sudden shutdown at 20–30% remaining on the Pixel 2

This happens when the cell voltage drops below the BMS cutoff threshold under high instantaneous load — typically LTE modem activity, screen at full brightness, or GPS — even though the gauge still shows charge remaining. It is a voltage cliff, not a capacity fault. The cell cannot sustain the voltage rail under peak draw at that state of charge. Run two full discharge-charge cycles to let the gauge IC recalibrate, then check that shutdown no longer occurs above 3.6V under load.

Compatible Models

Pixel 2 G011A

Replaces Part Numbers

G011A-B 35H00272-01M 35H00272-03M

Technical Specifications

Voltage3.85V
Amp Hours2700mAh
Capacity2700mAh
Rate10.4Wh
Net Weight37.4g /1.32 oz
Gross Weight62.4g /2.20 oz
Approximate Weight62.4g /2.20 oz
Dimension 61.12 x 57.52 x 4.40mm

Product Highlights

  • Brand: Google
  • Manufacturer: CS
  • Series: X-Longer
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The Pixel 2 powers off by itself when the battery shows 25% — is the replacement cell faulty?

This is a voltage cliff, not a defective cell. Under modem or screen load, the cell voltage drops faster than the fuel gauge IC anticipates, and the BMS cuts power to protect the cell before the displayed percentage reaches zero. It is most common on the first two cycles after a swap, when the coulomb counter is still using the old cell's discharge curve. Run two full discharge-charge cycles at standard charge rate and confirm the phone no longer shuts down above 3.6V under load.

Fast charging stopped working after fitting the replacement battery — the Pixel 2 only charges slowly now.

On the first cycle after installation, the Pixel 2's charge controller may not fully negotiate the USB-PD fast charge handshake with the new cell's BMS. This is normal behaviour — the charge IC runs a conservative profile until it has seen at least one complete charge cycle on the new cell. Complete one full charge at standard rate, let the phone cool to room temperature, then reconnect to a USB-PD charger. Fast charge should resume from the second cycle onward.

The battery percentage on my Pixel 2 keeps jumping — it shows 60%, then drops to 40%, then goes back up without charging.

Erratic percentage jumps come from the fuel gauge IC recalibrating against a new cell it has not yet characterised. The stored discharge model does not match the new cell's voltage curve, so the gauge corrects itself mid-use as it collects fresh coulomb-count data. The jumps narrow with each cycle and typically stabilise after two to three full discharge-charge cycles. Avoid topping up in short sessions during this period — full cycles from near-empty to full give the IC the most accurate data to work with.

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