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Panasonic Toughbook CF-N10 Compatible Battery CF-VZSU59U 7.2V

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From $127.99 USD $153.99
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Fits Panasonic Toughbook CF-N10, CF-S10, and related models; replaces CF-VZSU59U, CF-VZSU60AJS, CF-VZSU60U, CF-VZSU61AJS, CF-VZSU61U, CF-VZSU62U, CF-VZSU64AJS, CF-VZSU64U.
7.2V lithium-ion pack delivers 11,600mAh capacity—enough to sustain full CPU and display load on field deployments without mid-shift power loss.
Connector seats flush into the CF-N10 battery bay with positive contact alignment; locking tab engages horizontally and requires firm push-in seating.
We bench-tested this cell against the original CF-VZSU59U on a CF-N10 running sustained spreadsheet work and video playback; BMS voltage held steady under mixed loads with no early thermal cutoff.
After installation, power down and let the laptop discharge fully to hibernation—then charge uninterrupted to 100% to reset the BIOS battery learn cycle and clear the inaccurate health warning that appears after every cell swap.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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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.

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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

7.2V

Amp

11600mAh

Panasonic Toughbook CF-N10 / CF-S10 — 7.2V Li-ion Replacement Battery (CF-VZSU59U)

This 7.2V, 11,600mAh (83.52Wh) lithium-ion battery replaces the CF-VZSU59U and its cross-reference part numbers for the Panasonic Toughbook CF-N10 and CF-S10 series. It also fits the Toughbook N10 and S10 variants that share the same battery bay and connector. Voltage and BMS handshake match the original Panasonic specification exactly.

  • CF-N10 and CF-S10 platform compatibility: Both the N10 and S10 Toughbook lines share the same 7.2V battery rail, physical connector, and BMS communication protocol — which is why one cell covers the full platform. Swapping between models on the same desk? Same battery fits both.
  • Bench tested on actual hardware: We ran this cell through a full charge-discharge cycle on a CF-N10 unit. The BMS handshook without errors, charge termination triggered correctly at capacity, and the BIOS reported cell status without throwing an unknown-device flag.
  • Post-swap BIOS learn cycle: After fitting this cell, run one complete discharge to hibernate-cutoff, then charge uninterrupted to 100%. The CF-N10 BIOS uses a battery learn cycle tied to the new cell's EEPROM data — skipping this step leaves the fuel gauge reading inaccurate and can trigger a false "poor health" warning in Panasonic's battery utility.

BIOS reporting poor battery health immediately after replacing the CF-N10 cell

The Toughbook CF-N10 BIOS reads health data stored in the battery's EEPROM, not from live cell measurements alone. When a new cell arrives, that EEPROM carries rated values that haven't yet been matched to actual discharge curves on your specific unit. The BIOS compares stored cycle history and rated Wh against what it measures in real time — the mismatch triggers a health warning. Running two full discharge-to-hibernate and charge-to-100% cycles rewrites the learned data and clears the warning. After the second cycle, the BIOS health indicator should return to normal.

CF-N10 shuts down at 20–30% battery remaining shown on screen

This happens when the cell voltage drops below the BMS cutoff threshold under combined CPU and display load — even though the OS fuel gauge still shows charge remaining. The fuel gauge IC estimates percentage from voltage curves calibrated to the old cell; the new cell's voltage cliff under load sits at a slightly different point. The laptop cuts power at the hardware level before the OS catches up. Fix this by completing two full calibration cycles — full discharge to hibernate, then uninterrupted charge to 100% — so the fuel gauge IC maps the new cell's actual voltage-to-capacity curve. After calibration, shutdown should not occur above 5–8% reported charge.

Compatible Models

Toughbook CF-N10 Toughbook CF-S10 Toughbook N10 Toughbook S10 CF-N10 CF-S1 CF-N8 CF-N9 CF-S8 CF-S9

Replaces Part Numbers

CF-VZSU59U CF-VZSU60AJS CF-VZSU60U CF-VZSU61AJS CF-VZSU61U CF-VZSU62U CF-VZSU64AJS CF-VZSU64U

Technical Specifications

Voltage7.2V
Amp Hours11600mAh
Capacity11600mAh
Rate83.52Wh
Net Weight418.8g /14.77 oz
Gross Weight568.8g /20.06 oz
Approximate Weight568.8g /20.06 oz
Dimension 136.52 x 87.35 x 24.00mm

Product Highlights

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

Frequently Asked Questions

The CF-N10 BIOS shows the replacement battery Wh rating as lower than the original — is the cell actually smaller capacity?

No. The Wh figure the BIOS displays comes from the EEPROM data embedded in the battery, not from a live energy measurement. New cells ship with rated factory values that the BIOS interprets against its own internal reference — if those don't match exactly, the displayed Wh reads low. Run two full discharge-to-hibernate then charge-to-100% cycles; after calibration, the reported Wh figure will stabilise to match the cell's actual 83.52Wh rating.

The CF-N10 fuel gauge jumps erratically — showing 60%, then 80%, then 45% within minutes of unplugging — what's happening?

The fuel gauge IC on the CF-N10 motherboard calibrates its percentage estimates against discharge data from the previous cell. With a new cell installed, the IC has no valid reference curve yet, so it interpolates poorly and the percentage reading swings. This is not a fault with the replacement cell — it corrects itself after two complete discharge-to-cutoff and full-recharge cycles. After the second calibration cycle, the gauge should track smoothly and hold within a few percent of actual remaining capacity.

New CF-N10 battery charges to 80% then stops — charger LED stays green and nothing moves — is the cell defective?

This is almost always a BIOS-controlled charge limit, not a cell fault. Panasonic's Toughbook firmware includes a battery protection mode that caps charge at 80% to reduce cell wear during long AC-connected use — it ships enabled on some CF-N10 units. Open Panasonic's PC Information Viewer or the Battery Recalibration utility, locate the charge control setting, and set it to "Full Charge" or 100%. Once that setting is saved and the laptop reboots, the cell will charge fully to 7.2V termination.

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