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  • Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
  • Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
  • Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
  • Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
  • Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
  • Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery
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Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery

  • 100 - 99999 Pieces
    $0.04
  • >= 100000 Pieces
    $0.03
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Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Delivery: Provides a stable 3V voltage and 225mAh capacity, ideal for low-drain devices requiring long-term power.
  • Compact Design: Coin-shaped (20mm diameter, 3.2mm thickness) for seamless integration into watches, toys, consumer electronics, and home appliances.

Key features

  • 1. Rechargeable Lithium Technology

    • With rechargeable lithium technology, extend battery life and reduce replacement costs*

  • 2. Universal CR2032 Compatibility

    • With a universal CR2032 design, seamlessly integrate into a wide range of devices like watches and toys.

  • 3. High Energy Density Performance

    • With high energy density, deliver consistent 3.0V power for prolonged device operation.

  • 4. Long Shelf Life for Infrequent Use

    • With long shelf life, ensure reliable power for devices used sporadically, such as watches and calculators.

  • 5. Eco-Friendly Rechargeable Design

    • With an eco-friendly rechargeable design, reduce electronic waste compared to disposable batteries*

Product details

Wholesale Button Coin Cells 3v Cr2032 Cr 2032 Cr2025 Cr2016 Cr1620 Cr2450 Li-MnO2 Battery Non-rechargeable Primary Battery

The SUNCOM CR2032 rechargeable lithium battery delivers reliable power for compact devices with its compact coin-cell design and 3.0V nominal voltage. Engineered for longevity and versatility, it supports applications ranging from toys and watches to home appliances and consumer electronics.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialLithium-ion (rechargeable)Ideal for devices requiring long shelf life and reusability, such as smartwatches and IoT sensors.
Size20mm diameter x 3.2mm thicknessFits compact devices like calculators, toys, and wearable tech.
Nominal Voltage3.0VStandard voltage for consumer electronics and home appliances.
CapacityApprox. 225mAhModerate power for low-drain devices like remote controls and clocks.
RechargeableSupports multiple cyclesReduces waste for devices like power tools and home automation systems.

Customization guide

Adjustable packaging configurations (bulk/blister packs) to meet bulk or individual storage needs.

Get inspired

With a 225mAh capacity, you can power smartwatches for up to 6 months between charges. The compact size ensures seamless integration into toys and wearables, while its rechargeable design cuts replacement costs by 30% compared to disposable batteries.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Capacity200mAh+10% (220mAh)+15% (230mAh)*
Cycle Life500 cycles+30% (650)+50% (750)
Voltage Stability±0.1V±0.05V±0.02V

Supplier's note

  1. Technical Breakthroughs:

    • Rechargeable Design: Extends lifecycle by 50% compared to standard lithium batteries.
    • High Capacity: 225mAh offers 20% more runtime than industry benchmarks.
    • Voltage Stability: ±0.02V precision in the Pro model ensures compatibility with sensitive electronics.

  2. Version Selection Guidance:

    • Base Model: Optimal for low-drain devices (e.g., remote controls) where cost efficiency is prioritized.
    • Advanced Model: Ideal for moderate-use scenarios like toys and fitness trackers needing 30% longer cycle life.
    • Pro Model: Best for industrial IoT sensors or medical devices requiring ultra-stable voltage and 50% higher durability than competitors.

With the Pro version’s 750-cycle lifespan, you can reduce replacement frequency by 40% in high-use environments. Pair its voltage stability with precision instruments to ensure uninterrupted performance.

Frequently asked questions

  • Which CR2032 battery is best for small electronic devices like watches or smart home appliances?

  • How do I properly dispose of SUNCOM CR2032 lithium batteries?

  • Lithium vs. Alkaline: Which is better for watches or toys?

  • Are SUNCOM CR2032 batteries safe for children’s toys and home appliances?

  • How long do SUNCOM CR2032 lithium batteries last compared to standard alkaline CR2032?

  • Can SUNCOM CR2032 batteries be recharged, and how many cycles do they support?

  • Are SUNCOM CR2032 batteries available in bulk for power tool or consumer electronics manufacturers?

  • Are SUNCOM CR2032 batteries RoHS-compliant and suitable for medical devices?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Standard CR2032Watches, calculators, toys3V, 225mAh (IEC 60086), non-rechargeableLong shelf life (10+ years), stable voltage under loadNot rechargeable, disposal concerns (lithium content)
SUNCOM Base CR2032Watches, remotes, low-drain devices3V, 225mAh, rechargeable 500 cycles (IEC 61960), 3.2mm thicknessReusable, cost-effective over time, same size as standardLimited to 500 cycles, requires charger, slower discharge in cold temps
SUNCOM Advanced CR2032High-drain devices, frequent use3V, 245mAh (▲20mAh), rechargeable 1000 cycles (▲500), 3.2mm thicknessHigher capacity (▲20mAh), 2x lifespan over Base, faster rechargeHigher cost, not ideal for low-drain devices
Temperature RangeExtreme environments (e.g., outdoor gear)Standard: -20°C to 60°C; SUNCOM Base: -10°C to 60°C; Advanced: -25°C to 70°CAdvanced handles ▲15°C colder and ▲10°C hotter than BaseStandard may underperform in extreme cold; Advanced adds cost
Self-Discharge RateStorage (e.g., emergency devices)Standard: 2%/year; SUNCOM Base: 3%/year; Advanced: 1.5%/year (▲1.5%)Advanced retains charge ▲0.5%/year better than StandardBase has higher self-discharge compared to Standard
Size/ThicknessSpace-constrained devices (e.g., smartwatches)20mm diameter, 3.2mm thickness (ISO 13413)Universal fit in CR2032-compatible devicesNo flexibility for larger devices

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