553436 3.7V 780mAh Lithium Polymer Battery for Power System Decoder
553436 3.7V 780mAh Lithium Polymer Battery Pack - Image 2
553436 3.7V 780mAh Lithium Polymer Battery Pack - Image 3

553436 3.7V 780mAh Lithium Polymer Battery Pack

Product Number:
03DQ0101-05
Nominal voltage:
3.7V
Nominal capacity:
780mAh
Battery Configuration:
553436-1S1P
Dimension:
40×36.6×6.8mm
Application:
Power System Decoder
Get Custom Solution
ABS+PC durable shell, Gold-plated contact output, Multi-protection circuit system
Product Overview

This battery is designed for power system decoders and handheld testing devices used in field inspection and electrical maintenance scenarios. It supports continuous operation in complex environments with stable output, compact structure, and multi-protection safety design, ensuring reliable performance during portable diagnostic tasks.

Electrical Specifications

Property Parameter
Product Number 03DQ0101-05
Cell Model 553436-780mAh-3.7V
Battery Configuration 553436-1S1P
Nominal Voltage 3.7V
Nominal Capacity 780mAh
Rated Energy 2.89Wh
Charging Voltage 4.2V
Discharge Cut-off Voltage 3.0V
Standard Charging Current ≤0.78A
Standard Discharge Current 0.15A
Internal Resistance ≤200mΩ

Mechanical & Environmental

Property Parameter
Charging Temperature 0～45℃
Discharge Temperature -25～60℃
Storage Temperature -25～35℃
Dimensions 40×36.6×6.8mm
Weight 20g
Battery Case ABS+PC engineering plastic
Protection System Short circuit / Overcharge / Overdischarge / Overcurrent protection

Application Background

This battery solution is designed for power system decoders, handheld testers, and portable diagnostic equipment. These devices require stable power supply for signal decoding and field testing in continuous or mobile operation scenarios. High reliability, compact size, and stable output are critical requirements.

Project Challenges

Frequent signal decoding causes intermittent load fluctuations
Daily repeated charge-discharge cycles demand stable cycle life
Compact handheld devices require lightweight and small form factor

Customized Battery Solution

High-reliability protection IC: ensures stable output with overcharge/overdischarge/overcurrent protection
ABS+PC housing: improves structural strength and impact resistance in field use
Gold-plated terminal design: enhances conductive reliability for stable signal transmission
Compact Li-polymer structure: supports portable integration with wide temperature adaptability (-25 to 60℃)

Application Results

Stable operation under continuous decoding workloads
Improved device reliability during field testing scenarios
Reduced failure risk in complex outdoor environments
Extended service life with stable cycle performance

We support flexible customization based on your project requirements, including:

  • Voltage range: 3.2V – 72V
  • Capacity range: 100mAh – 100Ah
  • Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
  • Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
  • BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)
Get a Custom Battery Solution
Tell us about your project needs. Our engineers will provide a tailored battery solution and quotation within 24 hours.
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