The 551012 3.7V 43mah electric toys Li Polymer Battery is a compact rechargeable power solution designed for electric toys, smart toys and other small electronic devices requiring lightweight and stable energy supply.
With a compact cell size of 5.6 × 10.1 × 12.5mm and lightweight design, this Li Polymer Battery is ideal for applications where installation space is limited. It provides consistent power output, low self-discharge performance and reliable safety protection to help improve the user experience of battery-powered toys.
Manufactured by Yideng, this miniature lithium polymer battery combines advanced cell technology, automated production processes and strict quality control to support both standard supply and customized battery projects.
Electric toys often require batteries with small dimensions and flexible installation options. The 551012 Li Polymer Battery features a compact structure, making it suitable for mini toys, interactive toys and portable electronic products.
Its lightweight design helps manufacturers optimize product size while maintaining reliable battery performance.
A stable power supply is essential for toys with motors, lights, sounds and interactive functions.
The 551012 battery provides:
- 3.7V nominal voltage
- 43mAh capacity
- Stable discharge performance
- Low self-discharge characteristics
- Reliable power output
It helps electric toys maintain smooth operation and longer standby performance.
Safety is a key consideration for children's electronic products.
Yideng lithium polymer batteries are manufactured under strict quality control standards and can be equipped with customized protection solutions, including:
- Overcharge protection
- Over-discharge protection
- Short circuit protection
- Customized PCM protection board
These features help improve battery reliability during daily use.
| Item | Specification |
| Model | 551012 |
| Material | Li-ion Polymer Battery |
| Normal Capacity (0.2C) | 43mAh |
| Minimum Capacity (0.2C) | 43mAh |
| Energy | 0.1591Wh |
| 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 | 2.3V |
| 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%) |
551012 3.7V 43mah electric toys Li Polymer Battery
- 2+ hrs play
- Overcharge protection
- Low self-discharge
- Custom leads, PCM, colors
- CE/UN38.3/RoHS
- Stock ready
- Fast ship
Battery Cell Measurement: 5.6 × 10.1 × 12.5mm
(1) Soft pack buckle battery is a kind of battery structure with al-plastic film packaging roll core.
(2) The cell is a spiral structure made by winding.
(3) The size of the soft pack battery includes the diameter and thickness.
As a professional lithium polymer battery manufacturer, Yideng provides reliable battery solutions supported by advanced production capabilities.
Our manufacturing advantages include:
- Two intelligent battery manufacturing bases in Hunan and Guangdong
- Daily production capacity up to 1 million cells
- 85% automated production lines
- 150 R&D professionals
- 68 battery-related patents
- MES intelligent manufacturing management system
Yideng supports global customers with stable production capacity for both standard lithium polymer batteries and customized battery solutions.
Committed to building the most green and innovative smart new energy enterprise
Build a global leader in the high safety, high performance and customizable micro-battery industry, providing green energy for smart, fashionable and healthy industries.
Focus on the high-end polymer battery market, build a first-class cell factory in China, and become a technology leader in the polymer lithium battery industry.
Provide customers with high safety, long life and cost effective system solutions and high-quality services, and become the leader of domestic proprietary lithium iron phosphate battery technology.
A1: The 551012 3.7V 43mah electric toys Li Polymer Battery is mainly designed for compact electronic devices such as electric toys, interactive toys, remote-controlled products and other miniature consumer electronics requiring lightweight and stable power solutions.
A2: Yes. Yideng provides OEM/ODM battery customization services, including battery dimensions, wire length, connector type, PCM protection design and other requirements based on customer product designs.
A3: This battery features a compact size, lightweight structure, stable discharge performance, low self-discharge rate and reliable safety protection, making it suitable for space-limited electronic applications.
A4: Yes. Yideng supports sample development and testing before mass production. Customers can verify battery performance and compatibility before placing large orders.
A5: Yideng lithium polymer batteries comply with international safety requirements and can provide certifications including CE, RoHS, UN38.3, IEC62133 and other related standards according to product requirements.
A6: Yideng operates intelligent manufacturing facilities with up to 1 million cells daily production capacity, supported by 85% automation, advanced MES management systems and professional quality control processes to ensure stable supply for global customers.
Address
Xin'an Village industrial Park, Yonglejiang Town, AnrenCounty, Chenzhou City, Hunan Province, China
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