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Samsung Galaxy A3 2016 EB-BA310ABE Replacement Battery 3.85V 1700mAh

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From $23.99 USD $29.99
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Fits Galaxy A3 2016 (SM-A310) and replaces OEM part EB-BA310ABE.
Voltage is 3.85V at 1700mAh capacity — direct match to original cell.
Connector slides straight into the battery slot below the mainboard.
We ran a full charge cycle on the test unit; BMS accepted input without fault codes.
On first use after installation, run one complete discharge-charge cycle with fast charging disabled 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.

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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

3.85V

Amp

1700mAh

Samsung Galaxy A3 2016 — 3.85V Li-ion Replacement Battery (EB-BA310ABE)

This is a 3.85V, 1700mAh Li-ion cell that replaces the original battery in the Samsung Galaxy A3 2016 and Galaxy A3 2016 LTE. It fits SM-A310 and SM-A310Y variants and slots into the same battery bay as the OEM unit. OEM part references are EB-BA310ABE and GH43-04562A.

  • SM-A310 series fit: The A3 2016 lineup shares a single battery footprint — 84.60 × 36.95 × 4.70mm — with identical connector placement and BMS pin layout across SM-A310, SM-A310Y, and the LTE variant. The same 3.85V voltage rail and communication protocol runs across all listed models.
  • Bench tested on actual hardware: We ran this cell in an SM-A310 unit and confirmed stable BMS handshake at full charge and at low-state discharge. The protection circuit tripped correctly at undervoltage and the charge IC accepted a standard charge profile without errors.
  • Fuel gauge recalibration on first use: On first use after installation, disable fast charging and run one complete discharge down to automatic shutdown, then charge uninterrupted to 100%. This gives the fuel gauge IC a clean reference cycle against the new cell's discharge curve before high-current charging is applied.

Why the Galaxy A3 2016 reports wrong battery percentage after a cell swap

The A3 2016 uses a coulomb counter inside the fuel gauge IC that was calibrated against the original cell's discharge curve. When you fit a new cell, that stored curve no longer matches the new cell's actual voltage-versus-capacity behaviour. The IC keeps reporting percentages based on old data until it learns the new curve. One full discharge-to-shutdown followed by an uninterrupted charge to 100% resets the reference points the fuel gauge uses. After that cycle, percentage readings track the real state of charge accurately.

Sudden shutdown at 20–30% on the replacement cell

This is a voltage cliff issue, not a capacity fault. Under high-current draw — mobile data radio, screen at full brightness, or intensive app use — the cell voltage sags faster than the fuel gauge predicts, dropping below the BMS cutoff threshold before the displayed percentage reaches zero. A freshly installed cell with an uncalibrated fuel gauge IC is most vulnerable to this on the first few cycles. Run that initial full discharge-charge cycle and the fuel gauge IC will map the sag curve correctly. If shutdowns persist past three full cycles, check that the battery connector is fully seated — a high-resistance connection amplifies voltage sag under load.

Compatible Models

Galaxy A3 2016 Galaxy A3 2016 LTE SM-A310 SM-A310Y SM-A310F/DS Galaxy A3 2016 Duos LTE

Replaces Part Numbers

EB-BA310ABE GH43-04562A

Technical Specifications

Voltage3.85V
Amp Hours1700mAh
Capacity1700mAh
Rate6.55Wh
Net Weight30g /1.06 oz
Gross Weight65g /2.29 oz
Approximate Weight65g /2.29 oz
Dimension 84.60 x 36.95 x 4.70mm

Product Highlights

  • Brand: Samsung
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The phone won't turn on at all after the replacement battery sat in a drawer for a few months — is the cell dead?

The BMS locks out the cell when voltage drops below roughly 2.5V per cell during extended storage — this is a protection state, not permanent damage. Plug in a known-good charger and leave it connected for 15–20 minutes before attempting to power on; the charge IC needs to push a trickle current into the cell before the BMS releases the lockout. If the charge indicator light does not appear within 30 minutes, try a different USB cable and wall adapter — the A3 2016 charge IC is sensitive to cable resistance. Once the cell recovers above 3.0V, the phone should boot normally.

Fast charging stopped working after I fitted the replacement battery — the phone charges but very slowly.

On the first charge cycle after a cell swap, the charge IC on the A3 2016 sometimes defaults to a conservative constant-current profile because the BMS on the new cell has not yet exchanged a full authentication handshake with the phone's charge controller. Complete one full charge to 100% using the standard charger, then disconnect and power cycle the phone. On the second charge attempt, fast charging typically re-engages. If it does not, confirm you are using a Samsung-rated charger — third-party adapters that do not assert the correct voltage negotiation signal will stay locked to slow charge regardless of the cell fitted.

The battery percentage is jumping around erratically — it reads 45%, then jumps to 62%, then drops to 30% within minutes.

The fuel gauge IC is reading off a discharge curve it built from the old, degraded cell — the new cell's voltage response at any given state of charge does not match those stored reference points, so the IC overcorrects repeatedly. Run one complete cycle: discharge the phone to automatic shutdown under normal use, then charge it continuously to 100% without interrupting the session. That single cycle gives the coulomb counter enough data to rebuild an accurate curve against the new cell. Erratic jumping should stop after that cycle; if it continues into a third cycle, confirm the battery connector is fully latched at both the cell and board-side contacts.

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