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Huawei Mate 30 Pro Replacement Battery HB555591EEW 3.85V 4300mAh

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From $27.99 USD $34.99
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Fits Huawei Mate 30 Pro and Mate 30 Pro 5G, replaces OEM part HB555591EEW.
3.85V, 4300mAh capacity matches original cell output and sustains the modem and display load.
Connector seats vertically into the battery slot; no locking tab, adhesive strip holds the pack secure.
Bench testing showed clean BMS handshake on insertion; fuel gauge IC reads new capacity without shutdown codes.
On first charge after installation, disable Huawei fast charging for one full discharge-charge cycle so the coulomb counter recalibrates to the new cell curve before high-current charging resumes.
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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

4300mAh

Huawei Mate 30 Pro / Mate 30 Pro 5G — 3.85V Li-Polymer Replacement Battery (HB555591EEW)

This 3.85V, 4300mAh (16.56Wh) Li-Polymer cell replaces the original HB555591EEW battery in the Huawei Mate 30 Pro, Mate 30 Pro 5G, LIO-AN00, and Mate 30 RS. It fits the same physical bay and connector as the factory cell. Capacity figures are from the product specification — not extrapolated from third-party sources.

  • Mate 30 Pro / Mate 30 Pro 5G platform fit: Both the standard and 5G variants share the same battery bay dimensions, voltage rail, and flex connector pinout. The HB555591EEW part number covers the full LIO-series lineup, so one cell services all models in this cluster without modification.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on a Mate 30 Pro unit. The BMS handshake completed without error flags, charge current ramped normally through CC and CV phases, and the protection circuit tripped correctly at the undervoltage threshold.
  • Fuel gauge recalibration after install: On first use after installation, disable fast charging for one complete discharge-charge cycle. This lets the fuel gauge IC recalibrate against the new cell's discharge curve before high-current charging pushes current into an uncalibrated cell — preventing erratic percentage readings early on.

Why the Mate 30 Pro reports wrong battery percentage after a cell swap

The Mate 30 Pro uses a coulomb-counter-based fuel gauge IC that builds its capacity model from previous charge and discharge data. When you swap the physical cell, the IC still holds the learned curve from the old degraded cell. Until it runs at least one full uninterrupted discharge from 100% down to automatic shutdown, the percentage display will be inaccurate — often reading higher than actual. Run that first cycle without fast charging enabled, then let the phone charge to 100% uninterrupted. After that single cycle, the fuel gauge recalibrates to the new cell and percentage accuracy normalises.

Sudden shutdown at 20–30% remaining on the replacement cell

This happens when the fuel gauge IC's stored discharge curve doesn't match the new cell's actual voltage cliff. The modem or display pulls a current spike, the cell voltage drops faster than the uncalibrated gauge predicts, and the protection circuit cuts power before the reported percentage reaches zero. It is not a faulty cell — it is a calibration gap. Force a full discharge to automatic shutdown, then charge to 100% without interruption. After that cycle the gauge maps the real voltage-to-capacity curve and the premature shutdowns stop.

Compatible Models

Mate 30 Pro Mate 30 Pro 5G LIO-AN00 Mate 30 RS Mate 30 RS 5G LIO-AN00P

Replaces Part Numbers

HB555591EEW

Technical Specifications

Voltage3.85V
Amp Hours4300mAh
Capacity4300mAh
Rate16.56Wh
Net Weight60.5g /2.13 oz
Gross Weight110.5g /3.90 oz
Approximate Weight110.5g /3.90 oz
Dimension 88.90 x 54.40 x 5.25mm

Product Highlights

  • Brand: Huawei
  • 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

The Mate 30 Pro won't turn on at all after the replacement battery sat in a drawer for a few months — is it dead?

Most likely the cell discharged below the BMS lockout threshold, typically around 2.5V per cell, which causes the protection circuit to cut output entirely. Plug into a wall charger — not a USB port — and leave it for 30 to 45 minutes without pressing any buttons. The charge IC will trickle current into the cell until voltage climbs above the BMS re-enable threshold, at which point the phone will boot normally. If there is no response after an hour on a known-working charger, check that the flex connector is fully seated at both ends.

Huawei's fast charging isn't working on the new battery — the phone just charges at a slow rate.

On the first charge cycle after installation, the BMS on the new cell has not yet negotiated the proprietary Huawei SuperCharge handshake with the charge IC. This is normal behaviour — the system defaults to standard 5V charging until the protocol is accepted. Complete one full charge to 100% at the slow rate, then disconnect and reconnect the charger using the original Huawei cable and adapter. The fast charge protocol typically activates from the second cycle onward once the BMS has completed its initial authentication exchange.

The phone feels noticeably warm near the back panel while charging — is the new cell building up heat abnormally?

A new high-impedance cell has slightly more internal resistance than a well-formed cell, so it generates more heat during the first few charge cycles as the electrodes settle. This is expected and typically reduces after three to five full cycles. If the phone becomes hot enough to be uncomfortable to hold, or if charging pauses automatically, remove the case to improve airflow and check that you are using the original Huawei adapter — third-party chargers can push unregulated current and cause sustained thermal load. The phone's charge IC will throttle current at around 45°C to protect the cell.

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