LR44 Button Cell Manganese Dioxide
Specialty MnO2 powder for silver-oxide or alkaline button cells like LR44 used in watches and calculators. Its fine particle size enables high capacity in compact primary cells, making it an essential material for button battery manufacturing. This product is classified under tariff item 8506.10.90 as other manganese dioxide primary cells and batteries.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 7% | — | 7% |
| 🇲🇽Mexico | 7% | — | 7% |
| 🇺🇸United States | 7% | — | 7% |
| 🇩🇪Germany | 7% | — | 7% |
| 🇯🇵Japan | 7% | — | 7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the powder is for alkaline cells with welded connectors for electronic locks
Specific alkaline cell materials for electronic lock systems are classified under a more specific subheading.
If the MnO2 is not battery-specific
General manganese dioxide falls under Chapter 28.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the MnO2 powder is labelled for button cell applications to avoid confusion with other battery types
• Provide particle size specifications if requested by the CBSA
• Verify if the product qualifies for duty-free entry under trade agreements
Related Products under Tariff item 8506.10.90
377 Manganese Dioxide Silver Oxide Button Cell
The 377 (SR626SW equivalent) is a 1.55V button battery that combines silver oxide and manganese dioxide for hearing aids and precision instruments. This primary cell is non-rechargeable and features ultra-low self-discharge, making it suitable for long-term use in small devices. It is classified under tariff item 8506.10.90 as a manganese dioxide primary button cell.
AG13 Manganese Dioxide Button Battery 1.5V
The AG13 (LR44 equivalent) is a 1.5V button cell that uses a manganese dioxide cathode for calculators, LED lights, and instruments. This primary cell is designed for cost-effective, high-volume consumer applications. It is classified under tariff item 8506.10.90 as a manganese dioxide primary button cell.
Alkaline Battery Grade MnO2 Granules
Granular electrolytic manganese dioxide (EMD) optimized for use as the cathode material in alkaline manganese primary batteries. The controlled particle size ensures efficient electrolyte penetration and consistent discharge performance in consumer batteries such as AA and AAA cells. This product is classified under tariff item 8506.10.90 as a material specifically designed for primary cells and batteries.
Battery-Grade Chemical Manganese Dioxide
Chemical manganese dioxide (CMD) in granular form, produced through chemical processes for use as the cathode material in zinc-carbon primary batteries such as D-cell flashlight batteries. This product is designed specifically for primary cell applications, making it classifiable under tariff item 8506.10.90 as other manganese dioxide primary cells and batteries.
CR1220 Lithium 3V Coin Cell Battery
The CR1220 is a compact 3V lithium manganese dioxide coin battery for key fobs, glucometers, and fitness trackers. This primary cell is non-rechargeable and provides reliable power for small electronic devices. It is classified under tariff item 8506.10.90 as a manganese dioxide primary coin cell.
CR2032 Lithium Manganese Dioxide Coin Cell Battery
The CR2032 is a 3V lithium coin cell battery using manganese dioxide as the cathode material, commonly used in watches, calculators, and remote controls. This primary cell is non-rechargeable and offers long shelf life. It is classified under tariff item 8506.10.90 as a manganese dioxide primary coin cell.