Product Overview
This premium NF2040HD battery is specifically engineered as a high-quality replacement for Agilent handheld cable antenna testers and spectrum analyzers. Designed with advanced Li-polymer technology, this battery delivers reliable power and extended runtime for professional testing equipment.
Technical Specifications
- Battery Model: NF2040HD
- Voltage: 10.8V
- Capacity: 5200mAh / 56.16WH (High Capacity)
- Battery Type: Premium Li-polymer
- Cell Origin: Made in China with high quality standards
- Color: Black
- Condition: Brand New Replacement Battery (100% New, 1-year manufacturer warranty)
- Certification: CE, FCC, RoHS compliant for professional use
Compatible Part Numbers
This battery replaces the following original part numbers:
- NF2040HD
- NF2040XD
- NF2040DY
- NF2040AG24
- NF2040QE34
- NF2040SM24
- KSE2040-2
- TY 3CGR18650D-2
- N9330B-BCG
- N9330B-BAT
- 72R6893
- N9910X-870
- SM206
Compatible Agilent Models
Perfectly compatible with the following Agilent handheld cable antenna testers and spectrum analyzers:
- N9938A FieldFox Handheld Microwave Analyzer
- N9937A FieldFox Handheld Combination Analyzer
- N9936A FieldFox Handheld Cable and Antenna Analyzer
- N9936 FieldFox Handheld Cable and Antenna Analyzer
- N9935A FieldFox Handheld Cable and Antenna Analyzer
- N9928A FieldFox Handheld Microwave Vector Network Analyzer
- N9927A FieldFox Handheld Vector Network Analyzer
- N9926A FieldFox Handheld Vector Network Analyzer
- N9925A FieldFox Handheld Vector Network Analyzer
- N9923A FieldFox Handheld Vector Network Analyzer
- N9923 FieldFox Handheld Vector Network Analyzer
- N9918A FieldFox Handheld Microwave Analyzer
- N9917A FieldFox Handheld Field Analyzer
- N9916A FieldFox Handheld Field Analyzer
- N9915A FieldFox Handheld Field Analyzer
- N9914A FieldFox Handheld Field Analyzer
- N9913A FieldFox Handheld Field Analyzer
- N9912A FieldFox Handheld Field Analyzer
- N9340B Handheld Spectrum Analyzer
- N9340A Handheld Spectrum Analyzer
- N9334 FieldFox Handheld Combination Analyzer
- N9330A Handheld Cable and Antenna Analyzer
- N9330 Handheld Cable and Antenna Analyzer
- N9330B Handheld Cable and Antenna Analyzer
Key Features & Benefits
- Professional Grade Performance: 56.16WH capacity provides extended operation time for field testing
- Advanced Li-polymer Technology: Superior energy density and longer lifespan compared to standard batteries
- Perfect Compatibility: Designed to match original Agilent specifications for seamless integration
- Safety Protection: Built-in protection against overcharge, over-discharge, and short circuit
- Easy Installation: Direct replacement with no modifications required
- Reliable Warranty: 1-year manufacturer warranty for complete peace of mind
- Professional Quality: Manufactured to meet stringent quality standards for test equipment
Installation & Usage Guidelines
This replacement battery is designed for easy installation in your Agilent test equipment. Simply remove your old battery and insert this new one - no technical expertise required. The battery comes pre-charged and ready to use. For optimal performance, we recommend fully charging the battery before first use and following proper charging cycles to maximize battery life.
Quality Assurance
Each battery undergoes rigorous quality testing to ensure it meets or exceeds original equipment manufacturer (OEM) standards. Our commitment to quality means you receive a reliable, long-lasting power solution for your professional Agilent test equipment.
Important Notice
Compatibility Verification: Not all compatible models are listed here. You can check your original battery model number for verification. Please contact us online if you have any questions about compatibility with your specific Agilent device.
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.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal

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PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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Apple Pay
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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.