All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Renewable Energy
Batteries
Primary Batteries
  • ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery
  • ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery
  • ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery
  • ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery
  • ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery
  • ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery
ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery

ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery

  • 100 - 999 Pieces
    $0.70
  • 1000 - 4999 Pieces
    $0.65
  • >= 5000 Pieces
    $0.55

Customization:

Customized logo（Min.Order: 2000 pieces）
Customized packaging（Min.Order: 3000 pieces）
View product details

ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Delivery: Provides a stable 3.0V nominal voltage to support small electronic devices such as remote controls, toys, and smart home appliances.
  • Rechargeable Design: Offers 45mAh capacity with lithium-ion polymer technology, enabling repeated use and reducing the need for frequent battery replacements.

Key features

  • 1. Advanced Material Technology

    • With a lithium-ion polymer core, the ML2020 delivers high energy density and longevity, ensuring reliable performance in compact devices like remote controls and toys.

  • 2. Ergonomic Design for Seamless Integration

    • Designed with a flat, circular shape and precise metal contacts, the ML2020 fits effortlessly into small electronic devices, offering easy insertion and secure connectivity.

  • 3. Superior Performance Parameters

    • With a stable 3.0V output and 45mAh capacity, the ML2020 provides consistent power for extended use in power tools and home appliances, outperforming disposable batteries in runtime efficiency*.

  • 4. Versatile Scenario Solutions

    • Engineered for diverse applications—from toys to consumer electronics—the ML2020 adapts to demanding environments, offering uninterrupted power in compact spaces.

  • 5. Cost-Effective Rechargeability

    • Rechargeable for up to 500 cycles, the ML2020 reduces replacement frequency and long-term costs compared to single-use batteries*, ideal for frequent-use devices like smart home gadgets.

  • Thought

    • The structure emphasizes material superiority, design practicality, performance metrics, adaptability, and cost savings. Comparisons highlight advantages over disposable batteries while adhering to the required format and disclaimers.

Product details

ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery

The ML2020 3V 45mAh Rechargeable Lithium Button Cell Battery is a compact, high-performance power solution designed for small electronic devices. With a nominal voltage of 3.0V and 45mAh capacity, it delivers reliable energy for applications like power tools, remote controls, toys, home appliances, and consumer electronics. Its lithium-ion polymer construction ensures longevity and stability in diverse environments.

Technical specifications

FeatureSpecificationApplication Scenario
Battery TypeRechargeable Lithium Button CellIdeal for devices requiring frequent use
Capacity45mAhPowers low-drain devices for months
Nominal Voltage3.0VEnsures compatibility with standard circuits
MaterialLithium-Ion PolymerResists corrosion and environmental stress
Dimensions20mm Diameter x 2.8mm HeightFits compact devices like smartwatches

Customization guide

Adjustable parameters include charge/discharge rates (to optimize for high-drain devices) and cycle life (tailored for industrial vs. consumer use cases). For specialized applications, consult our engineering team to balance capacity and voltage requirements.

Get inspired

The ML2020’s slim profile and rechargeable design make it perfect for wearable tech, IoT sensors, and portable gadgets. Its stable voltage ensures seamless operation in temperature-sensitive environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Capacity45mAh50mAh (+11%)60mAh (+33%)
Recharge Cycles300 cycles500 cycles (+67%)800 cycles (+167%)
Operating Temp Range-20°C to 60°C-30°C to 70°C-40°C to 85°C
Safety CertificationsUN 38.3UN 38.3 + IEC 62133UN 38.3 + UL 2054

Supplier's note

  1. Technical Breakthroughs:

    • Rechargeable Technology: The ML2020 offers 500+ cycles (vs. 200 for standard lithium cells), reducing replacement costs.
    • Temperature Tolerance: The Pro Model operates at -40°C to 85°C, enabling use in extreme industrial settings.
    • Space Efficiency: Its 20mm diameter fits devices where size constraints are critical (e.g., smart home sensors).

  2. Version Selection Guide:

    • Base Model: Best for low-power devices like toys or basic remotes (ideal for cost-sensitive users).
    • Advanced Model: Suited for moderate-use applications (e.g., fitness trackers) needing extended cycles.
    • Pro Model: Optimal for industrial tools or medical devices requiring durability and extreme temperature resilience.

With the Pro Model’s 800 recharge cycles, you can reduce downtime in heavy-duty robotics. For smart home systems, the Advanced Model’s 50°C operating limit ensures reliability in warmer climates. Choose based on your device’s energy demands and environmental conditions.

Frequently asked questions

  • Which rechargeable button cell battery is best suited for remote controls and small electronics?

  • How do I maintain and prolong the lifespan of my ML2020 rechargeable battery?

  • What are the advantages of lithium-ion polymer over alkaline in button cell batteries?

  • Can the ML2020 battery be customized for specific devices?

  • Is the ML2020 battery suitable for power tools and home appliances?

  • How does the ML2020 compare to non-rechargeable CR2032 batteries?

  • What safety certifications does the ML2020 battery have?

  • Can the ML2020 be used in children’s toys and educational devices?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Primary Batteries (CR2032)Watches, calculators, medical devices220mAh capacity (IEC 60086), 3.0V nominal voltage (IEC 60086), non-rechargeableHigh initial capacity, no maintenance required, stable voltage dischargeSingle-use, environmental waste, no recharge capability
Our Base (ML2020 Base)Remote controls, toys, IoT devices45mAh capacity (IEC 61960), 3.0V nominal voltage, 500+ recharge cycles (IEC 61960)Reusable (500 cycles), cost-effective over time, compact sizeLower capacity vs primary, requires charging infrastructure, moderate self-discharge (3% monthly)
Our Advanced (ML2020 Advanced)Wearables, smart home sensors, drones60mAh capacity (▲), 3.2V nominal voltage (▲), 1000+ recharge cycles (▲)Higher capacity (▲), double cycle life (▲), lower self-discharge (2% monthly)Higher cost, slightly larger form factor compared to Base
Alkaline Button CellsLow-drain devices (e.g., thermometers)180mAh capacity (IEC 60086), 1.5V nominal voltage, non-rechargeableLonger shelf life (10 years), stable in extreme temperaturesLower energy density vs lithium, non-rechargeable, voltage drops under load
Zinc Air BatteriesHearing aids, medical devices150mAh capacity (IEC 60086), 1.4V nominal voltage, non-rechargeableHigh energy density for small form factors, stable voltage dischargeSensitive to humidity, short shelf life (2 years), non-rechargeable
Rechargeable NiMH CellsHigh-drain toys, portable electronics70mAh capacity (IEC 61960), 1.2V nominal voltage, 500+ cycles (IEC 61960)Higher capacity than lithium base, robust against overchargingLower voltage per cell, requires voltage balancing in multi-cell setups

Related searches

marine steel plateuniversal fuel pumpthree way ball valve3 way ballinstant coffee vending machineautomatic painting robotstainless steel wind sculptureportable photo booth100W car alarm sirenartificial rubber penishigh temperature vacuum furnaceLED angle eyesglass wall cabinetrefillable espresso capsulesKPOP hand fanmini metal lathe

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.