3.7V 803040 1000mAh Lithium Polymer Battery with PCB
Summary of 3.7V 803040 1000mAh
The 3.7V 803040 1000mAh Lithium Polymer Battery with PCB is a lightweight, high energy density, and safety-protected rechargeable battery designed for compact electronic devices. Weighing just 30g including the protection board, it delivers long-lasting power with a moderate 1000mAh capacity, perfect for applications that demand reliable endurance in tight spaces. Featuring advanced safety protections (overcharge, over-discharge, overcurrent, short circuit, and temperature control), this battery provides over 500 charge-discharge cycles while maintaining more than 800mAh capacity. With a wide operating temperature range (-20°C to +65°C) and customizable options, it’s ideal for smart devices, handheld electronics, and IoT products.
Li Pol 803040 Battery Technical Information
Model: 803040 lithium polymer li po
Nominal Capacity: 1000mAh
Nominal Voltage: 3.7V
Nominal Energy: 3.7Wh
Energy Density: 123.33Wh/kg
Charge Cut-off Voltage: 4.2V
Discharge Cut-off Voltage: Typically 3.0V, Minimum 2.75V
Standard Charge Current: 0.2C (200mA)
Max Charge Current: 1C (1000mA)
Standard Discharge Current: 0.2C (200mA)
Max Continuous Discharge Current: 1C (1000mA)
Max Peak Discharge Current: 2C (2000mA)
Internal Resistance: Less than 60mΩ
Cycle Life: More Than 500 Times
Dimensions: 8 × 30 × 40 mm
Weight: 30g
Charge Temperature Range: 0°C to 45°C
Discharge Temperature Range: -20°C to 65°C
Storage Temperature Range:
- -20℃~25℃: More than 12 months
- -20℃~45℃: Less than 3 months
- -20℃~60 ℃: Less than 1 month
PCB/PCM: Yes
Connector: Bare wires or optional with JST, Molex etc
Key Features — 3.7V Battery 803040 1000mAh
⚡ High Energy Density, Compact Design
The 803040 Li-Polymer battery achieves exceptional energy density in a compact form factor, balancing power and size for efficient performance. This makes it an excellent power source for space-constrained applications such as wearable electronics, smart handhelds, and wireless communication devices.
🛡️ Integrated Protection Circuit (PCB) for Maximum Safety
The built-in protection circuit board (PCB) provides comprehensive safety management, ensuring stability and reliability in every cycle. This multi-layer safety system makes the 803040 Li-Polymer battery suitable for critical and consumer-grade devices alike.
✅ Overcharge protection prevents damage from excessive voltage.
✅ Over-discharge protection maintains long-term battery health.
✅ Overcurrent protection safeguards against sudden surges.
✅ Short-circuit protection ensures operational safety.
✅ Over-temperature protection keeps performance stable under varied environments.
🔁 Long Cycle Life and Consistent Capacity Retention
Designed with high-grade lithium polymer materials, this battery provides excellent cycle durability and capacity retention:
500+ deep cycles while maintaining over 800mAh capacity
Low internal resistance for efficient energy transfer
Stable voltage output for consistent device operation
The result is a battery that continues performing strongly even after extended use — ideal for long-life product designs.
🌡️ Wide Operating Temperature Range
With a working temperature range from -20°C to +65°C, the 803040 battery delivers stable and safe performance in various conditions. Whether used in cold climates, heated environments, or indoor devices, it ensures reliable output and extended service life. This resilience makes it a preferred choice for industrial sensors, portable instruments, and wearable tech.
⚙️ Customizable for OEM Applications
Cestpower offers full customization options to meet diverse application needs:
Custom dimensions and shapes
Tailored capacity configurations
Connector and terminal customization
OEM logo and private labeling
💼 Applications
The 3.7V 803040 1000mAh Li-Polymer battery is ideal for:
Smart handheld devices
IoT modules and wireless transmitters
GPS trackers and wearable gadgets
Medical portable tools
Bluetooth speakers and smart home sensors
❓ FAQ – Frequently Asked Questions
Q1: What makes the 803040 Li-Polymer battery ideal for compact devices?
A: Its small dimensions, light weight (30g), and high energy density make it ideal for devices where space is limited but endurance is needed.
Q2: What kind of protection does the battery include?
A: It has a built-in PCB that safeguards against overcharge, over-discharge, overcurrent, short circuit, and overheating.
Q3: How long is the battery’s lifespan?
A: It maintains over 80% capacity (around 800mAh) even after 500 deep charge/discharge cycles.
Q4: Can the battery be customized?
A: Yes, we support customization of capacity, size, connectors, and OEM branding according to your project requirements.
Q5: What’s the recommended operating temperature range?
A: The battery operates safely and efficiently between -20°C and +65°C.
Related Battery
