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Amazon Kindle 7 Replacement Battery MC-265360-03 3.7V 890mAh

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From $23.99 USD $29.99
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Fits Amazon Kindle 7 and replaces OEM battery part numbers MC-265360-03, 58-000083, and 58-000151.
This 3.7V 890mAh Li-Polymer cell restores full charge capacity to your e-reader's display and wireless connectivity after degradation from extended use.
Connector slides into the battery slot with a single locking tab; orientation is keyed and accepts only one direction without force.
We cycled this pack on a Kindle 7 test unit — the BMS accepted the new cell without cutoff errors and held voltage stable through page navigation cycles.
After installation, charge via USB for one complete cycle before reading; Kindle firmware recalibrates battery percentage display to the new cell capacity during this first full charge.
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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

3.7V

Amp

890mAh

Amazon Kindle 7th Generation — 3.7V Li-Polymer Replacement Battery (MC-265360-03)

This is a 3.7V, 890mAh Li-Polymer replacement battery for the Amazon Kindle 7 (7th Generation), including model WP63GW and the Kindle 499 series. It replaces OEM part numbers MC-265360-03, 58-000083, and 58-000151. Fits the standard 6-inch e-ink Kindle that charges via micro-USB and runs the basic Kindle OS.

  • Kindle 7 platform fit: These models share a single battery form factor — 61.60 x 53.32 x 2.78mm — with a matching connector and BMS handshake voltage. Swapping between WP63GW variants does not require a different cell.
  • Bench tested on actual hardware: We ran this cell on a Kindle 7 unit and confirmed the BMS accepted the cell without fault codes, charge acceptance was normal from 3.0V upward, and the firmware reported battery percentage within one full charge cycle.
  • First charge after cell swap: Connect via USB immediately after installing and run a complete charge cycle before use. The Kindle 7 firmware recalibrates its battery percentage display against the new cell during this first full charge — skipping it causes inaccurate readings for weeks.

Why your Kindle 7 shows 100% then drops to 20% within minutes of a battery swap

The Kindle 7 firmware stores a charge curve profile from the old cell. When a new cell goes in, the firmware is still reading against the old profile. This creates wildly inaccurate percentage jumps until the system re-maps the new cell's discharge curve. The fix is straightforward: charge the device fully to 100%, then use it until it shuts off automatically, and charge again to 100%. After that one discharge-recharge cycle, the percentage display stabilises.

Kindle 7 not powering on at all after battery replacement

Li-Polymer cells ship at storage voltage — typically around 3.6V — which can sit below the Kindle 7's minimum boot threshold if the unit has been sitting unused. The BMS will block power delivery until the cell reaches approximately 3.7V. Plug into a USB charger and leave it connected for 10 minutes before pressing the power button. If the charge LED does not light, check that the connector is fully seated — the ZIF-style cable on the Kindle 7 board unseats easily during installation.

Compatible Models

Kindle 7 Kindle 7th Generation WP63GW kindle 499 kindle 558 SY69JL Kindle 8 Kindle 8th Generation Kindle X

Replaces Part Numbers

MC-265360-03 58-000083 58-000151

Technical Specifications

Voltage3.7V
Amp Hours890mAh
Capacity890mAh
Rate3.29Wh
Net Weight16.9g /0.60 oz
Gross Weight41.9g /1.48 oz
Approximate Weight41.9g /1.48 oz
Dimension 61.60 x 53.32 x 2.78mm

Product Highlights

  • Brand: Amazon
  • 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 Kindle 7 won't turn on after I installed the new battery — is the battery dead?

Almost certainly not. Li-Polymer cells ship at storage voltage, and the Kindle 7 BMS blocks boot if the cell reads below its minimum threshold. Connect the Kindle to a USB charger and wait 10 minutes before pressing power. If nothing happens, open the back and confirm the battery connector is fully clicked in — the flat ZIF cable on this board pulls free easily during reassembly.

Battery percentage is jumping all over the place after the swap — 80% one minute, 15% the next. What's wrong?

Nothing is wrong with the cell. The Kindle 7 firmware cached the discharge curve of the old battery and is still reading against it. Run one full discharge-to-shutdown cycle, then charge back to 100% without interruption. After that single calibration cycle, the percentage display maps correctly to the new cell's actual capacity.

WiFi sync is draining this battery much faster than just reading — is the cell faulty?

The cell is behaving normally. WiFi draw on the Kindle 7 runs significantly higher than e-ink display refresh alone — the radio pulls steady current during a sync, while a page turn draws a brief spike and then almost nothing. If battery drain is a concern, switch WiFi off in the quick settings between syncs and turn it on only when downloading new titles.

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