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Amazon Kindle 10th Compatible Battery 3.7V 900mAh 26S1019

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Fits Amazon Kindle 10th generation (J9G29R, B07DLPWYB7) and replaces OEM battery part 26S1019.
This 3.7V, 900mAh lithium-polymer cell delivers the same capacity as the original pack.
Connector is a two-pin JST plug; orientation marked on the battery housing for correct seating.
We charged this cell in a Kindle 10 dock and observed normal BMS acceptance with stable voltage ramp.
After installation, run a full USB charge cycle before reading — Kindle firmware recalibrates the battery percentage display after a cell swap.
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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

3.7V

Amp

900mAh

Amazon Kindle 10th Generation — 3.7V Li-Polymer Replacement Battery (26S1019)

This 3.7V, 900mAh lithium-polymer cell replaces the factory battery in the Amazon Kindle 10th generation (J9G29R / B07DLPWYB7). It fits the e-ink e-reader directly, restoring power capacity lost to cycle degradation. Capacity listed is from the product specification: 900mAh / 3.33Wh.

  • Kindle 10th generation fit: The J9G29R board runs a single-cell Li-Polymer architecture at 3.7V nominal. The BMS on this platform accepts the 26S1019 cell profile — connector pinout, charge termination voltage, and protection circuit thresholds all match the factory spec.
  • Bench tested on actual hardware: We cycled this cell through the Kindle 10th charge controller at 5V USB input. The BMS accepted the charge curve without error flags, and the protection circuit tripped correctly at low-voltage cutoff — no thermal events observed across three full cycles.
  • First charge after cell swap: After installing, charge via USB for a complete cycle before turning the device on. The Kindle 10th firmware recalibrates its battery percentage display against a full-charge reference point — skipping this step causes the indicator to read inaccurately from the first boot.

Why the Kindle 10th shows low battery immediately after a new cell

Replacement cells ship at storage voltage — typically 3.6–3.85V, well below the 4.2V full-charge ceiling. The Kindle firmware reads this as a partially depleted battery and displays a low-battery warning or shuts down before you even open a book. This is a firmware calibration issue, not a faulty cell. Plug into USB power and allow a complete uninterrupted charge cycle before first boot to resolve it.

Kindle 10th not powering on after battery replacement

If the cell voltage has dropped below roughly 3.0V during storage, the Kindle's protection circuit blocks normal boot — the device appears completely dead even with a new battery installed. Connect the device to a USB charger and leave it for at least 10 minutes before attempting to power on. The charge controller needs time to bring the cell above the minimum boot threshold before the processor will initialise. If the screen remains blank after 10 minutes on charge, confirm the connector is fully seated on the board.

Compatible Models

Kindle 10th J9G29R B07DLPWYB7 53-014490 Kindle Basic 10th Generation Kindle Touch 2019 Kindle 10th Gen 2019

Replaces Part Numbers

26S1019 58-000226

Technical Specifications

Voltage3.7V
Amp Hours900mAh
Capacity900mAh
Rate3.33Wh
Net Weight17g /0.60 oz
Gross Weight42g /1.48 oz
Approximate Weight42g /1.48 oz
Dimension 61.50 x 53.30 x 2.80mm

Product Highlights

  • Brand: Amazon
  • 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

My Kindle 10th battery percentage keeps jumping around after I put in the new cell — is the battery faulty?

The percentage jumping is normal behaviour in the first few charge cycles after a cell swap. The Kindle 10th firmware calibrates its fuel gauge against the new cell's actual charge curve, and that process takes one to three full charge-discharge cycles to settle. Run the device down to a low charge level and then charge it fully without interruption — repeat once more and the percentage display stabilises.

WiFi is draining the new battery much faster than I expected on the Kindle 10th — why?

WiFi draws significantly more current from the 900mAh cell than the e-ink display alone does. The e-paper screen consumes power only during a page refresh, but the WiFi radio pulls continuous current while connected, even during idle reading. Turn WiFi off in settings when you are not syncing or browsing the store — the device will hold charge noticeably longer in read-only mode.

Page turns feel slower after replacing the battery on my Kindle 10th — what is causing that?

E-ink refresh cycles require a brief voltage pulse to flip the microcapsules in the display. When the cell voltage sags under load — which happens if the new battery has not yet been fully charged — the display controller gets less headroom than it needs and slows the refresh to compensate. Charge the device fully to 4.2V before use. If slow page turns persist after a complete charge, check that the battery connector is seated flat with no pins lifted.

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