SR44 Silver Oxide Coin Battery
SR44 (1.55V) silver oxide button cell battery powers hearing aids, watches, and instruments with its stable voltage over long periods. Though lithium heading, includes certain non-lithium coin cells like silver oxide under HTS 8506.50.0010 for button form. Provides low self-discharge rate.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If silver oxide but larger cylindrical
Non-coin silver oxide primary cells use separate 8506.40 subheading.
If pre-installed in medical devices
Batteries in hearing instruments classify with the complete medical device under 9018.
If sold in retail battery assortment sets
Mixed primary cell sets may fall under parts/other heading 8506.80.
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Import Tips & Compliance
• Include silver content declaration for CBP valuation
• Ensure child-resistant packaging per CPSC
• Provide capacity markings (mAh) on labels
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