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Portable electronic medical devices
Electronic blood pressure monitors, electronic thermometers and other health devices feature long-term sleep standby, instantaneous pulse load, multi-environment adaptability and maintenance-free long-term operation.2026-04-29
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Wearable Devices
Electronic watches, smart quartz watches and multifunctional sports watches operate continuously all year round in complex environments, with core operating conditions featuring long-term ultra-low power standby and instant pulse discharge upon function activation.2026-04-29
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POS systems
Commercial POS devices operate in diverse scenarios with long-term standby operation and large ambient temperature differences. They generally adopt a power supply architecture combining main power input and 3V button battery backup power.2026-04-29
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Smart Security
Security devices require long-term unattended operation with continuous micro-current operation, while being capable of withstanding instantaneous high-current pulse discharge conditions.2026-04-29
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Smart Retail /Electronic Shelf Labels
Normal sleep mode (99% of the time): Only RTC and low-power MCU remain on standby, operating at μA-level (1–10μA) micro current with extremely low long-term power consumption.2026-04-29
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Shoe Lights \ Candle Lights
Shoe lights are mainly used in children's light-up shoes, adult trendy casual shoes, outdoor warning shoes, stage performance shoes and other categories, achieving decorative, warning and ambient effects through LED lighting.2026-04-29
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IoT Devices
Main controller: STM32L / MSP430 / PIC / nRF52 (sleep current < 1μA)
Solution: Direct power supply by CR2032/CR2450, deep sleep + periodic wake-up2026-04-29
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Car Keys / Remote Controls
Requirements: 3V, instantaneous pulse 10~15mA, reliable at low temperatures, small size
Solution: CR2032 (mainstream), low internal resistance high-pulse type2026-04-29
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Motherboard / Industrial CMOS/RTC Backup Power
Application: Preserve BIOS/clock settings and SRAM data during power failure
Solution: CR2032 direct power supply for RTC (DS1302/DS3231/PCF8563)2026-04-29
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UN38.3 8th edition significant changes
The 11th session of the United Nations Committee of Experts on the Transport of Dangerous Goods and on the Globally Harmonized System of Classification and Labelling of Chemicals (December 9, 2022) adopted a new set of amendments to the 7th revised edition of the Manual of Tests and Criteria (including Amendment 1), and released the 8th revised edition of the Manual of Tests and Criteria on November 27, 2023.
넶197 2026-04-03
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2026-05-26
What is a lithium button cell?
Everybody knows and uses small round batteries. Based on the shapes of these batteries we call them "coin battery" or "button battery" interchangeably, regardless of the chemicals inside.
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2026-05-26
What should I do if my child has swallowed a battery?
If I think my child has swallowed a battery, take your child to an Emergency Department immediately.
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2026-05-26
Can lithium button cell batteries be recharged?
Button cells are usually disposable primary cells, common chemistries include zinc, lithium, manganese dioxide, and silver oxide. but some are rechargeable secondary cells, such as lithium-ion battery and ML battery.
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2026-05-26
How long do lithium button cell batteries last?
3V lithium coin batteries typically last between 3 to 10 years, depending on the device and usage.
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