The 602030 3.7V 300mAh Li Polymer Battery for Smart Speaker is a rechargeable power solution developed for smart speakers, portable speakers and other intelligent audio devices requiring stable and long-lasting energy performance.
With a compact size of 6.1 × 20.1 × 30.5mm and a 300mAh capacity, this lithium polymer battery provides reliable power support for voice interaction, wireless audio playback and smart device applications.
Compared with traditional battery solutions, lithium polymer technology offers flexible design, lightweight construction and better adaptability for compact electronic products. Yideng combines advanced battery manufacturing technology with strict quality management to deliver consistent performance for global smart device manufacturers.
| Item | Specification |
| Model | 602030 |
| Material | Li-ion Polymer Battery |
| Normal Capacity (0.2C) | 300mAh |
| Minimum Capacity (0.2C) | 300mAh |
| Energy | 1.11Wh |
| Normal Voltage | 3.7V |
| Delivery Voltage | 3.85V ~ 4.05V |
| Standard Charge Method | Charge at maximum current. When the battery or pack terminal voltage reaches the charging limit voltage, charge at constant voltage until the charging current is less than or equal to 0.02 C, then stop charging. |
| Discharge Program | The battery or the battery pack carries on the constant current discharge with the maximum discharge current to the discharge termination voltage. |
| Max Charging Current | 1C CC/CV → 0.02C cutoff |
| Max Discharging Current | 1C CC/CV → 3.0V cutoff |
| Over-Discharging Current | 3.0V |
| Operation Temperature Range |
Charging: 0°C ~ 50°C Discharging: -20°C ~ 60°C |
| Allowable Maximum Surface Temperature |
Charging: Tmax ≤ 50°C Discharging: Tmax ≤ 60°C |
| Storage T/H Range (time) |
-20°C ~ 60°C (Less than 1 month) -20°C ~ 45°C (Less than 3 months) -20°C ~ 25°C (Less than 1 year) |
| Cycle Life |
≥ 300 times (Thickness expansion rate ≤ 10%) ≥ 500 times (Thickness expansion rate ≤ 12%) |
Smart speakers require batteries that can maintain stable performance during continuous audio playback and voice interaction.
The 602030 Li Polymer Battery provides:
- Stable 3.7V voltage output
- 300mAh capacity
- Low internal resistance
- Reduced heat generation
- Reliable charging and discharging performance
It helps smart audio products achieve longer operating time and improved user experience.
Modern smart speakers and portable audio products require compact internal structures.
The 602030 3.7V 300mAh Li Polymer Battery for Smart Speaker features a slim and lightweight design, allowing manufacturers to optimize product layout while maintaining sufficient power capacity.
Its flexible lithium polymer structure makes it suitable for:
- Portable speakers
- Smart voice assistants
- Smart clocks
- Mini audio devices
Safety is critical for consumer electronic products used in homes and portable environments.
Yideng lithium polymer batteries can integrate customized protection solutions including:
- Overcharge protection
- Over-discharge protection
- Over-current protection
- Short-circuit protection
Each battery undergoes strict testing procedures to ensure stable quality and reliable operation.
The 602030 3.7V 300mAh Li Polymer Battery for Smart Speaker is designed for smart electronic products that require compact size, stable power output and reliable battery performance.
For smart speakers and portable audio devices, this battery provides continuous energy support for voice assistant functions, wireless playback and interactive features. Its stable discharge characteristics help maintain consistent device performance during daily operation.
For smart consumer electronics, Yideng provides flexible battery solutions with customized dimensions, connectors and protection designs to meet different product structures and power requirements.
Different smart devices require different battery designs. Yideng provides complete customization services from prototype development to mass production.
Customization options include:
- Battery dimensions
- Capacity adjustment
- Wire length
- Connector type
- PCM protection design
- Label and packaging requirements
With professional engineering support, Yideng helps customers develop reliable battery solutions based on their device specifications.
At Yideng, battery quality is controlled throughout the entire manufacturing process, from incoming material inspection and electrode production to cell assembly, performance testing and final shipment verification. Our intelligent production system and professional quality management team ensure consistent battery performance, safety and reliability for different application requirements.
All lithium polymer batteries are manufactured according to international quality standards, with products complying with certifications and requirements including ISO9001:2015, ISO14001, CE, RoHS, UN38.3, IEC62133 and UL-related safety standards. These certifications help ensure that Yideng batteries meet global transportation requirements and provide reliable solutions for consumer electronics, smart devices and energy applications.
A1: Generally we don't provide free sample, but we can return sample cost when the buyer place the bulk order.
A2: It depends on the order quantities. Usually, we can deliver goods within 3 – 5 working days for small orders. For bulk order, let's confirm when you place official order.
A3: Payment terms: By T/T, 30% for deposit, and balance all before shipment. For small amount, we also accept payment via PayPal.
A4: Normally, we ship our battery via DHL, UPS and FedEx.
A5: We have factory's current standard package, customized print logo shall be complied to buyer's requirements, and the extra charges will be borne by the buyers, for more details, please contact us.
A6: We are professional battery manufacturer with our own factory and brand. We provide all kinds of OEM/ODM services for clients all around the world.
A7: Our company focus on high quality batteries in North America, India, Europe, Korea and Japan markets.
A8: a) High quality batteries: Our batteries are in enough capacity, and lower in IR. Before shipment, we will inspect the products and ensure the quality which are well approved by our clients.
b) Better service: We always offer what our clients need. Reply client's questions in time. Supply best projects solution for clients. We ship out the products on time.
A9: Of course, no problem, we are always welcome to visit the factory.
Address
Xin'an Village industrial Park, Yonglejiang Town, AnrenCounty, Chenzhou City, Hunan Province, China
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