Product Overview
The SM204 is a high-performance 7500mAh / 84Wh Li-ion replacement battery at 11.1V for Anritsu MS2721A, MS272xB, MT821xE and MT8222A handheld analyzers and OTDR test sets. It replaces part numbers SM204 and 633-75. High-capacity cells keep field measurement and fiber testing tools running through long shifts. Ships brand new in Black with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | SM204 |
| Capacity | 7500mAh / 84Wh |
| Voltage | 11.1V |
| Battery Type | Li-ion |
| Cell | Made in China, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- SM204
- 633-75
Compatible Models
For Anritsu Analyzer / OTDR Series
- For Anritsu MP1026A
- For Anritsu MS2721
- For Anritsu MS2721A
- For Anritsu MS272xB
- For Anritsu MT821xE
- For Anritsu MT8222A
Not all compatible models are listed here. Open the back of your device to confirm the original battery model number, or contact us online with any compatibility questions.
FAQ
Does the SM204 battery replace the Anritsu 633-75?
Yes. It is a direct replacement for Anritsu part number 633-75 and the SM204 battery pack, with matching 11.1V 84Wh capacity.
Is it suitable for outdoor field testing?
Yes. The high-quality cells are built to handle demanding field environments and provide stable power for handheld spectrum analyzers and OTDR units.
Replace Part Numbers
Compatible Laptop Models
- For Anritsu AMS2721 OTDR
- For Anritsu MP1026 OTDR
- For Anritsu MS2721A OTDR
- For Anritsu MS272xB OTDR
- For Anritsu MT821xE OTDR
- For Anritsu MT8222A OTDR
- For Anritsu MTS6000 OTDR
- For YOKOGAWA AQ7280 OTDR
- For YOKOGAWA AQ7282A OTDR
- For YOKOGAWA AQ7283A OTDR
- For YOKOGAWA AQ7283F OTDR
- For YOKOGAWA AQ7283H OTDR
- For YOKOGAWA AQ7283K OTDR
- For YOKOGAWA AQ7284A OTDR
- For YOKOGAWA AQ7284H OTDR
- For YOKOGAWA AQ7285A OTDR
- For Anritsu S331E Sitemaster compact Handheld Cable Antenna Analyzer
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.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
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Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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Bank Transfer
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.