Smartwatch Battery Market - Size, Share, Industry Trends, and Forecasts (2025 - 2032)

By Capacity:

Based on the capacity, the market is segmented into up to 150 mAh, 150 mAh to 300 mAh and above 300 mAh.

Trends in the Capacity:

• The increasing need for low-budget, entry-level smartwatches is driving the below 50 mAh battery capacity.
• Military-grade smartwatches are adopting above 300 mAh battery for providing longer battery life during training and operations on the field in turn driving the smartwatch battery market trend.

The 150 mAh to 300 mAh capacity accounted for the largest revenue share in the year 2024.

• The 150 mAh to 300 mAh battery capacity is ideal for various smart watches providing features such as health monitoring, sleep tracking, fitness tracking, and others.
• Further, batteries have to deal with frequent and unpredictable changes in power consumption due to changes in power consumption from display brightness, sensors, connectivity, and apps among others.
• For instance, in January 2023, Amazfit launched the new Amazfit GTS 4 Mini, which is an ultra-slim and lightweight smartwatch featuring 270 mAh battery for 15 days battery life.
• Thus, as per the analysis, the ability to deal with frequent and unpredictable changes is driving the 150 mAh to 300 mAh battery capacity in turn driving the smartwatch battery market size.

Above 300 mAh capacity is anticipated to register the fastest CAGR during the forecast period.

• The above 300 mAh capacity has the ability to withstand advanced features such as continuous health monitoring, connectivity, and advanced sensors.
• Furthermore, the rising demand for high-performance smartwatches is driving the need for increasing the battery capacity in turn fueling the smartwatch battery market share.
• For instance, BoAt introduced Watch Lunar Pro LTE, which is a smartwatch with a 577 mAh battery capacity that lasts up to 30 days and is embedded with advanced sensors. Hence the advancement and integration of higher battery capacity into smartwatch is driving the progress of above 300 mAh battery capacity.
• Therefore, as per the market analysis, the rising demand for high-performance smartwatches is anticipated to boost the smartwatch battery market size during the forecast period.

By Voltage:

Based on the voltage, the market is segmented into 3.7V, 4.2V, and Others.

Trends in the Voltage:

• The trend towards smaller and thinner batteries is propelling the 3.7V batteries.
• The increasing need for higher runtime in smartwatches is boosting the 4.2V batteries market trend.

The 3.7V accounted for the largest revenue share of 51.12% in the year 2024 and is anticipated to register the fastest CAGR during the forecast period.

• The lithium-ion battery and lithium-polymer batteries operate on a voltage of around 3.7V due to the electrochemical reaction.
• Further, the primary factor driving the 3.7V is due to the reliability and compatibility with batteries in turn driving the smartwatch battery market share.
• For instance, Padre Electronics Co., Limited is a leading manufacturer of 7V lithium polymer batteries providing a wide range of products with various applications in smartwatches, tablets, and smartphones among others.
• Thus, according to the smartwatch battery market analysis, reliability and compatibility are driving the 3.7V in smartwatch battery market trends.

By Sales Channel:

Based on the sales channel, the market is bifurcated into OEM and Aftermarket.

Trends in the Sales Channel:

• The trend towards the development of solid-state batteries is propelling the need for original equipment manufacturers.
• The aging of smartwatches is driving the need for battery replacement which in turn is fueling the aftermarket sales channel.

OEM accounted for the largest revenue share in the year 2024.

• The surging need for smartwatches is propelling original equipment manufacturers of batteries and other components involved in the manufacturing of smartwatches.
• The advantages of OEM include high quality, reliability, compatibility, and other fueling the progress of OEM.
• Furthermore, the high quality and adherence to manufacturing standards are driving the progress of OEM in the smartwatch battery market.
• For instance, in May 2022, Enovix Corporation cleared a key technology validation milestone and received an initial order for a 3D Silicon Lithium-ion smartwatch battery from a leading consumer electronics company.
• Thus, as per the analysis, the high quality and adherence to manufacturing standards are driving the need for OEM in the smartwatch battery market.

Aftermarket is anticipated to register the fastest CAGR during the forecast period.

• The rise of third-party repair shops and DIY repairs is fueling the aftermarket sales channel. Also, the growth of online platforms is propelling the availability of aftermarket smartwatch batteries in the market
• The advantages of the aftermarket smartwatch battery include affordability, availability, compatibility, and customization among others driving the progress of the aftermarket sales channel.
• Further, the need for cost-effective solutions for the replacement of batteries in smartwatches is driving the aftermarket sales channel.
• Therefore, according to the smartwatch battery market analysis, the need for a cost-effective solution is anticipated to boost the aftermarket sales channel during the forecast period.