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Barnes & Noble Nook 7 Replacement Battery 3.7V 2600mAh

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From $27.99 USD $34.99
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Fits Barnes & Noble Nook 7 BNTV460, BNTV450 tablets; replaces OEM part PL3370100P.
3.7V, 2600mAh lithium-polymer cell delivers 9.62Wh — sustains display and WiFi operations on the Nook 7 platform.
Connector slides vertically into the battery slot with a single locking tab on the left edge; no polarity reversal possible.
We bench-tested this cell in a BNTV460 unit; BMS accepted the new pack on first charge cycle with no fault codes.
After installation, run one full discharge to automatic shutoff then charge uninterrupted to 100% — this resets the fuel gauge IC calibration against the new cell.
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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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🔹 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.

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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

2600mAh

Barnes & Noble Nook 7 (BNTV460 / BNTV450) — 3.7V Li-Polymer Replacement Battery (PL3370100P)

This 3.7V, 2600mAh (9.62Wh) lithium-polymer battery replaces OEM part PL3370100P in the Barnes & Noble Nook 7 tablet. It fits the BNTV460 and BNTV450 board revisions, including the 2016 Nook 7" model. Swapping this cell restores power to tablets that no longer hold a charge or fail to turn on.

  • BNTV460 and BNTV450 compatibility: Both board revisions use the same connector pinout, voltage rail, and BMS handshake protocol. One replacement cell covers the full BNTV4xx lineup without adapter or modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a BNTV460 unit. The BMS accepted the cell on first contact, and the charge IC cycled through the standard constant-current to constant-voltage transition without fault flags.
  • Fuel gauge recalibration after install: After fitting this battery, run the tablet down to automatic shutoff, then charge uninterrupted to 100%. This resets the fuel gauge IC calibration against the new cell and clears the inaccurate percentage reading that almost always appears after a swap.

Nook 7 shutting down at 15–25% remaining

The Nook 7 display and Wi-Fi draw current simultaneously during active use. At lower state of charge, the combined load pulls cell voltage below the BMS cutoff threshold before the percentage counter reaches zero. The tablet interprets this as a battery fault and shuts off — not a soft shutdown. Running one full discharge cycle recalibrates the fuel gauge so the reported percentage aligns with the actual voltage curve of the new cell.

Nook 7 showing wrong battery percentage after replacement

The fuel gauge IC stores a learned capacity model from the original cell. After a swap, that stored model no longer matches the new cell's actual voltage-to-capacity curve, so the percentage readout drifts — often jumping from 40% to 10% or freezing near 100%. A single full discharge to automatic shutoff followed by an uninterrupted charge to 100% forces the IC to rewrite its calibration data. After that one cycle, percentage tracking stabilises at accurate readings.

Compatible Models

Nook 7 BNTV460 BNTV450 Nook 7" 2016

Replaces Part Numbers

PL3370100P

Technical Specifications

Voltage3.7V
Amp Hours2600mAh
Capacity2600mAh
Rate9.62Wh
Net Weight52.2g /1.84 oz
Gross Weight102.2g /3.61 oz
Approximate Weight102.2g /3.61 oz
Dimension 101.00 x 69.20 x 3.25mm

Product Highlights

  • Brand: Barnes & Noble
  • 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 Nook 7 turns off by itself around 20% — did I get a bad replacement cell?

The cell itself is not the issue. The Nook 7's fuel gauge IC is still calibrated to the old battery's voltage curve, so it triggers a BMS cutoff before the display percentage reaches zero. Run the tablet down to automatic shutoff, then charge it uninterrupted to 100% without using it mid-cycle. That single full cycle rewrites the IC's capacity map and the early shutdowns stop.

Fast charging stopped working after I swapped the battery on my Nook 7 — was it working before?

The Nook 7 uses a proprietary charge negotiation handshake that sometimes resets after a cell swap. On the first charge post-install, the charge IC defaults to a conservative current limit while it profiles the new cell. Plug in, leave it undisturbed through one complete charge to 100%, and the controller re-establishes its full charging profile. If the charging rate stays slow after that first full cycle, check the cable — the Nook 7 is sensitive to cable resistance at the micro-USB connector.

The battery percentage on my Nook 7 drops fast from 100% but then slows down — is the capacity wrong?

This is fuel gauge drift, not a capacity problem. The IC over-reports early discharge because its stored model was built around the old cell's charge curve. The new cell has a slightly different voltage slope, so the first 20–30% appears to drain quickly. One full discharge to automatic shutoff followed by a complete uninterrupted charge to 100% resets the calibration. After that cycle, the percentage drop rate evens out across the full range.

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