Overview: NF2040HD Replacement Battery for N9938A
NF2040HD replacement battery for Agilent N9938A and N9937A. It lists voltage 10.8V, capacity 5200mAh / 56.16Wh and battery type Li-polymer. Compare the original label, part number, connector and exact device model before ordering or installation; the complete references remain in Parts and Models below.
Specs: NF2040HD Voltage, Capacity and Type
| Attribute | Details |
|---|---|
| Standard Model | NF2040HD |
| Voltage | 10.8V |
| Capacity | 5200mAh / 56.16Wh |
| Battery Type | Li-polymer |
| Color | Black |
Parts: NF2040HD Part Numbers and Cross-References
These source part numbers are retained exactly for battery model and connector checks.
- NF2040HD
- NF2040XD
- NF2040DY
- NF2040AG24
- NF2040QE34
- NF2040SM24
- TY 3CGR18650D-2
- N9330B-BCG
- N9330B-BAT
- 72R6893
- N9910X-870
- SM206
Models: Compatible Agilent Devices and Series
These compatible model codes and family names are reproduced from the current description; confirm the exact device before installation.
- N9938A
- N9937A
- N9936A
- N9936
- N9935A
- N9928A
- N9927A
- N9926A
- N9925A
- N9923A
- N9923
- N9918A
- N9917A
- N9916A
- N9915A
- N9914A
- N9913A
- N9912A
- N9340B
- N9340A
- N9334
- N9330A
- N9330
- N9330B
FAQ: NF2040HD Compatibility and Fit Questions
How can I verify NF2040HD compatibility with N9938A?
N9938A is listed as a compatible reference, but the fit check should also compare the original battery label, connector and device documentation for the exact unit.
What do NF2040HD and N9937A identify in this listing?
NF2040HD is retained as a source part number and N9937A is retained as a source model code. Use both references with the device label rather than relying on a family name alone.
Which electrical details must match before replacement?
Confirm the 10.8V voltage and 5200mAh / 56.16Wh capacity shown in Specs, along with the battery model and connector. Installation should follow the applicable equipment instructions.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.High Quality Garanteed
Our battery products are manufactured using high-quality materials and advanced technology to ensure stability and reliability.
The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
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Est. Delivery
Shipping Cost
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US Warehouse
United States
3-7 business days
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EU countries
5-7 business days
€0 – €5.99
pricing varies by country
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UK Warehouse
United Kingdom
3-7 business days
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Canada
5-7 business days
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Payment Methods
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If you cannot use the above payment methods and the order amount exceeds HK$2000, please contact our customer service to obtain your bank account and pay via bank transfer.
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.