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BLP595 Oppo R7 Replacement Battery 3.8V 2300mAh

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From $26.99 USD $33.99
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Fits Oppo R7, R7T, R7C, R7 Lite Dual SIM and related variants; replaces OEM battery BLP595.
3.8V and 2300mAh capacity delivers standard power for calling, messaging, and app use on this mid-range Android device.
Connector slides vertically into the battery slot; alignment tabs prevent reverse insertion; no adhesive removal required for this model.
We bench-cycled this cell on an R7 motherboard; the BMS accepted the charge handshake immediately and held voltage stable under full-screen load.
On first use after installation, disable fast charging for one complete discharge-charge cycle so the fuel gauge IC recalibrates against this cell's discharge 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

3.8V

Amp

2300mAh

Oppo R7 Series — 3.8V Li-Polymer Replacement Battery (BLP595)

This is a 3.8V, 2300mAh Li-Polymer cell for the Oppo R7, R7T, R7C, and R7 Lite Dual SIM. It replaces the original BLP595 when the existing cell has degraded or failed. Fits the full R7 lineup that shares this battery footprint and connector spec.

  • R7 series compatibility: The R7, R7T, R7C, and R7 Lite Dual SIM all run the same 3.8V power rail with an identical connector and BMS handshake. One cell covers the entire group without modification.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on an R7 unit. The BMS accepted the charge IC handshake cleanly, and protection circuits responded correctly to both low-voltage cutoff and overcurrent conditions.
  • Fuel gauge recalibration on first cycle: After fitting this cell, disable fast charging and run one full discharge down to auto-off, then charge to 100% on standard current. This gives the coulomb counter a clean reference curve before fast-charge current is applied to an uncalibrated cell.

Why the R7 reports wrong battery percentage after a cell swap

The R7 uses a fuel gauge IC that tracks charge state by measuring cumulative current flow against a stored discharge curve. That curve was built around the original cell's impedance profile. A new BLP595 cell has a different impedance — often lower — so the IC misreads remaining capacity until it recalibrates. The fix is one full discharge-charge cycle with fast charging disabled. After that cycle, the gauge rewrites its reference and percentage readings stabilise.

Sudden shutdown at 20–25% on the replacement cell

This is a voltage cliff issue, not a capacity problem. Under modem transmission or screen-on load, the cell voltage drops sharply near the bottom of its curve — faster than the fuel gauge expects. The phone's under-voltage protection trips before the displayed percentage reaches zero. Run two full discharge cycles from 100% down to auto-shutdown to let the gauge map the new cell's voltage curve accurately. After calibration, the shutdown threshold should align with a reported level below 5%.

Compatible Models

R7 R7T R7C R7 Lite Dual SIM R7 Lite Dual SIM TD-LTE R7kc R7 US Dual SIM LTE R7c Dual SIM TD-LTE R7 Global Dual SIM TD-LTE

Replaces Part Numbers

BLP595

Technical Specifications

Voltage3.8V
Amp Hours2300mAh
Capacity2300mAh
Rate8.74Wh
Net Weight42.7g /1.51 oz
Gross Weight78g /2.75 oz
Approximate Weight78g /2.75 oz
Dimension 81.10 x 59.92 x 3.26mm

Product Highlights

  • Brand: Oppo
  • 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

My Oppo R7 won't turn on at all after the new BLP595 battery sat in a drawer for a few months — is it dead?

A Li-Polymer cell stored uncharged can drop below 2.5V, which triggers BMS lockout to prevent damage. The phone won't boot from this state even with a charger connected. Plug in a known-good cable and leave it on charge for 20–30 minutes without attempting to power on — the charge IC needs to trickle current into the cell until it clears the lockout threshold. Once voltage climbs above approximately 3.0V, the BMS releases and the phone will boot normally.

Fast charging stopped working on the R7 right after I put in the replacement battery — standard charging still works fine.

Oppo's VOOC fast-charge protocol requires a handshake between the charger, the phone's charge IC, and the battery BMS. On the first cycle with a new cell, the BMS sometimes rejects the elevated current until it has completed one standard charge. Run a full charge at standard speed first, then attempt VOOC charging on the next cycle. If fast charging still doesn't engage after that, check that you're using a VOOC-certified cable — the protocol negotiation fails on non-certified cables regardless of the battery condition.

The R7 battery percentage jumps around erratically — goes from 60% to 45% in seconds without heavy use.

Erratic percentage jumps on a new cell point to the coulomb counter recalibrating against an impedance profile it hasn't mapped yet. The fuel gauge IC inherited reference data from the old, degraded cell, so its predictions are out of sync with the new cell's actual discharge curve. Discharge the phone fully until it shuts itself off, then charge uninterrupted to 100% with fast charging disabled. That single full cycle gives the IC enough data to rebuild its model and the percentage readings should stabilise.

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