3.7V 150mAh LP-521423-1S-2 Li-Polymer Replacement Battery Cell for Electronic Toys


Nominal Voltage
3.7V
Nominal Capacity
150mAh
Max. Charging Voltage
4.20V
Discharge Cut-off Voltage

2.5V (limited by PCB)

Working Temperature
Charge: 0 ~ +45℃
Discharge: -20 ~ +60 ℃ 
Weight
Approx 4g 
Battery pack dimension
5.5*14.5*26 mm
Cycle life
≥300 times
Sample
Available

The LP-521423-1S-2 is a high-performance, ultra-slim Lithium Polymer (Li-Po) rechargeable battery, engineered to provide reliable and long-lasting power for a wide range of compact and portable electronic devices.

With a compact form factor (approximately 5.5 x 14.5x 26 mm), this battery is the ideal power solution where space and weight are critical design constraints. It delivers a stable 3.7V nominal voltage and a capacity of 150mAh (0.56Wh), ensuring your devices run efficiently for extended periods.

Key Features & Advantages:

  • High Energy Density: Offers excellent power capacity in an exceptionally slim and lightweight package.

  • Long Service Life: Features excellent cycle performance, typically supporting over 300 charge-discharge cycles with minimal capacity loss.

  • Enhanced Safety: Manufactured with strict quality control standards. Includes built-in protection against over-charge, over-discharge, and short circuit (Note: Please confirm PCM inclusion based on your product).

  • Excellent Stability: Low self-discharge rate allows for longer shelf life while maintaining charge.

  • Flexible Customization: We support OEM and ODM services. Options for custom wiring, connectors, and PCM specifications are available to meet your specific project requirements.

Why Choose Our Battery?

1. High energy density in compact size

2. Consistent performance with low self-discharge

3. Custom configurations available (connectors, protection circuits)

4. Strict quality control for reliability and safety

Ideal for OEMs and manufacturers needing dependable power solutions for small electronics. Contact us for bulk pricing and custom specifications!

About US:

Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, it has been dedicated to battery pack assembly and PCM/BMS design and production. It has a 5,000-square-meter self-owned factory equipped with automated production lines and SMT assembly lines.


Certificates:

FAQ:
1. What kind of certificate your battery pack owned?
Re: ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB, our battery pack have reliable quality assurance.
2. Do you have MOQ?
Re: No limitation, we will check the best price for you based on your order quantity. We warmly welcome sample order to test our quality before bulk order.
3. What 's the warranty? How can we guarantee quality?
Re: Normally will be 12 months, for some special products can be further negotiated accordingly. A complete production process to ensure the quality before shipment.
4. What 's the lead time?
Re: Standard products: sample order will be 3~4 weeks based on the battery cell in stock, 5~8 weeks for bulk order according to different models and quantity.
5. Can we have our own Logo on the battery pack? Can you accept customized battery?
Re: Yes, of course. BAKTH Technology has professional R&D team which could provide you the most suitable solution according to your requirements. Customized battery requirements are warmly welcomed!
Nominal Voltage
3.7V
Nominal Capacity
150mAh
Max. Charging Voltage
4.20V
Discharge Cut-off Voltage

2.5V (limited by PCB)

Working Temperature
Charge: 0 ~ +45℃
Discharge: -20 ~ +60 ℃ 
Weight
Approx 4g 
Battery pack dimension
5.5*14.5*26 mm
Cycle life
≥300 times
Sample
Available

The LP-521423-1S-2 is a high-performance, ultra-slim Lithium Polymer (Li-Po) rechargeable battery, engineered to provide reliable and long-lasting power for a wide range of compact and portable electronic devices.

With a compact form factor (approximately 5.5 x 14.5x 26 mm), this battery is the ideal power solution where space and weight are critical design constraints. It delivers a stable 3.7V nominal voltage and a capacity of 150mAh (0.56Wh), ensuring your devices run efficiently for extended periods.

Key Features & Advantages:

  • High Energy Density: Offers excellent power capacity in an exceptionally slim and lightweight package.

  • Long Service Life: Features excellent cycle performance, typically supporting over 300 charge-discharge cycles with minimal capacity loss.

  • Enhanced Safety: Manufactured with strict quality control standards. Includes built-in protection against over-charge, over-discharge, and short circuit (Note: Please confirm PCM inclusion based on your product).

  • Excellent Stability: Low self-discharge rate allows for longer shelf life while maintaining charge.

  • Flexible Customization: We support OEM and ODM services. Options for custom wiring, connectors, and PCM specifications are available to meet your specific project requirements.

Why Choose Our Battery?

1. High energy density in compact size

2. Consistent performance with low self-discharge

3. Custom configurations available (connectors, protection circuits)

4. Strict quality control for reliability and safety

Ideal for OEMs and manufacturers needing dependable power solutions for small electronics. Contact us for bulk pricing and custom specifications!

About US:

Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, it has been dedicated to battery pack assembly and PCM/BMS design and production. It has a 5,000-square-meter self-owned factory equipped with automated production lines and SMT assembly lines.


Certificates:

FAQ:
1. What kind of certificate your battery pack owned?
Re: ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB, our battery pack have reliable quality assurance.
2. Do you have MOQ?
Re: No limitation, we will check the best price for you based on your order quantity. We warmly welcome sample order to test our quality before bulk order.
3. What 's the warranty? How can we guarantee quality?
Re: Normally will be 12 months, for some special products can be further negotiated accordingly. A complete production process to ensure the quality before shipment.
4. What 's the lead time?
Re: Standard products: sample order will be 3~4 weeks based on the battery cell in stock, 5~8 weeks for bulk order according to different models and quantity.
5. Can we have our own Logo on the battery pack? Can you accept customized battery?
Re: Yes, of course. BAKTH Technology has professional R&D team which could provide you the most suitable solution according to your requirements. Customized battery requirements are warmly welcomed!

Detailed Product Description

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