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
- KSE2040-2
- 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.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.
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Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- What Should I Know Before Buying a Laptop Battery Replacement?A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
- How Do I Find a Compatible Laptop Battery for My Device?A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
- 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.
- Why Is My Laptop Battery Not Charging?A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
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Are BatteryMall Laptop Batteries Reliable?BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.