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ACCEL Note 8170 Replacement Battery 11.1V 6600mAh Li-ion

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From $75.99 USD $93.99
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Fits ACCEL Note 8170 laptop, replaces OEM part numbers 7004, 7005, 7006, 7170, 8170, 8175, and equivalent cross-references.
11.1V, 6600mAh lithium-ion cell delivers 73.26Wh to restore full portable runtime on this notebook platform.
Connector slides into the battery slot with a single locking tab — orientation is keyed, no force required.
We bench-tested this cell in the Note 8170 platform; the BMS accepted charge immediately and held voltage under sustained load.
After installation, run one complete discharge to hibernate-cutoff then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate health warnings that appear after every 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.

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

11.1V

Amp

6600mAh

ACCEL Note 8170 — 11.1V Li-ion Replacement Battery (7004)

This is an 11.1V, 6600mAh (73.26Wh) lithium-ion battery for the ACCEL Note 8170 notebook. It replaces OEM part numbers 7004, 7005, 7006, 7170, 8170, 8175, 442671200001, 442671200002, and 442671200005. It restores full portable operation when the original cell has degraded or failed.

  • Note 8170 compatibility: These OEM part numbers all map to the same 11.1V cell configuration and connector pinout used across the Note 8170 platform. The BMS handshake protocol and EEPROM data structure are consistent across all listed part numbers, so the replacement negotiates correctly with the laptop's charge controller.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on Note 8170 hardware. The BMS communicated without fault codes, charge termination occurred correctly at full voltage, and the fuel gauge IC accepted the new cell data without triggering a persistent error state.
  • Post-installation calibration on the Note 8170: After fitting this battery, run one full discharge to the laptop's hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning the firmware logs every time a new cell is installed.

BIOS reporting poor battery health immediately after fitting the new cell

The Note 8170 BIOS reads health data from the battery's EEPROM, which stores cycle count and capacity history from the previous cell. When a new cell arrives, that EEPROM data doesn't match the fresh chemistry, so the firmware flags it as degraded. This is a firmware interpretation issue, not a fault with the replacement cell. Run the full discharge-to-hibernate then uninterrupted charge cycle described above. After one complete learn cycle, the BIOS recalibrates and the health warning clears.

Laptop shuts down unexpectedly while the OS still shows 20–25% remaining

This happens when the fuel gauge IC hasn't yet mapped the voltage curve of the new cell. Under combined CPU and display load, voltage drops faster than the uncalibrated gauge predicts, and the laptop hits the hardware cutoff before the displayed percentage reaches zero. It's not a defective cell — it's a calibration gap. Complete two full discharge-to-hibernate and uninterrupted recharge cycles. After that, the fuel gauge tracks the actual voltage cliff correctly and the premature shutdowns stop.

Compatible Models

Note 8170

Replaces Part Numbers

7004 7005 7006 7170 8170 8175 442671200001 442671200002 442671200005

Technical Specifications

Voltage11.1V
Amp Hours6600mAh
Capacity6600mAh
Rate73.26Wh
Gross Weight100g /3.53 oz
Approximate Weight100g /3.53 oz

Product Highlights

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

Frequently Asked Questions

The Note 8170 shows the battery as "0%" or "unknown" right after I installed the new cell — is it dead?

No — the fuel gauge IC on the Note 8170 loses calibration reference when the old cell is removed, so it reads the new cell as unknown or zero until it completes a full cycle. Plug in the charger and let it charge uninterrupted to 100% without using the laptop. Then run it down to the automatic hibernate cutoff on battery alone. After that first complete cycle, the gauge IC locks onto the new cell's voltage curve and the reading normalises.

The replacement battery shows a lower Wh rating in system info than the 73.26Wh printed on the cell — why?

The Wh figure the OS displays is pulled from the EEPROM's rated capacity field, which is written by the original OEM and doesn't automatically update when a new cell is installed. The actual electrochemical capacity of the cell is 73.26Wh as tested. The system info discrepancy is a data mismatch between the EEPROM record and the physical cell — it doesn't affect charging or discharge behaviour. After one full learn cycle, most Note 8170 firmware revisions will update the displayed figure to match actual measured capacity.

Charging stops at around 80% and won't go higher — is the new battery faulty?

Not necessarily. The Note 8170 BIOS includes a charge-limit setting that caps charging at 80% to reduce cell stress during continuous AC use — it's a firmware-controlled threshold, not a battery fault. Check the power management settings in the BIOS or the manufacturer's battery utility and confirm the charge limit is set to 100%. If no limit is set there, disconnect the AC adapter, let the laptop draw the cell down past 50%, then reconnect — this prompts the charge controller to resume a full charge cycle to 12.6V (full-cell terminal voltage for 11.1V nominal Li-ion).

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