Shenzhen Blumoti Energy Co., Ltd. is a leading Chinese manufacturer and supplier of rechargeable li ion battery 3.7v 2000mah. If you are looking to source durable, bulk rechargeable li ion battery 3.7v 2000mah from China, feel free to contact our factory for details. Custom orders are welcome.
Rechargeable lithium batteries belong to the category of secondary batteries, meaning they can be recharged and used repeatedly, unlike primary lithium batteries, which are single-use. Rechargeable Li-ion batteries are generally divided into liquid lithium-ion batteries and lithium polymer batteries. The key difference lies in the form of the electrolyte, with lithium polymer batteries using a gel-like electrolyte.Lithium polymer batteries offer several advantages, including a slimmer and lighter design, higher energy density, and greater flexibility in shape and size customization.With its balanced combination of runtime and portability, 2000mAh is widely considered an ideal capacity range for small to medium-sized devices. It is commonly used in consumer electronics, smart home devices, digital gadgets, and IoT applications.
Rechargeable Li Ion Battery 3.7V 2000mah – General Specifications
Nominal Voltage: 3.7V
Charging Voltage: 4.2V
Discharge Cut-off Voltage: 2.75V / 3.0V
Nominal Capacity: 2000mAh (0.2C discharge)
Standard Discharge Rate: 0.2C–1C (0.4A–1A); 1C-10C can be customized.
Standard Charging Rate: 0.5C–1C (1A–2A)
Protection Circuit: PCB/PCM, including overcharge, over-discharge, overcurrent, and short-circuit protection
Operating Temperature: 0–45°C (charging); -20–60°C (discharging)
Product parameters
| Model NO. | Capacity | Nom.Voltage | Cathode | Thickness | Width | Length | Energy Density |
| BMP754060DT | 2000mAh | 3.7V | LCO | 7.5mm | 40mm | 60mm | 411 Wh/L |
| BMP753076DT | 2000mAh | 3.7V | NCM | 7.5mm | 30mm | 76mm | 433 Wh/L |
| BMP7021116DT | 2000mAh | 3.7V | NCM | 7mm | 21mm | 116mm | 434 Wh/L |
| BMP803559DT | 2000mAh | 3.7V | NCM | 8mm | 35mm | 59mm | 448 Wh/L |
| BMP802197DT | 2000mAh | 3.7V | NCM | 8mm | 21mm | 97mm | 454 Wh/L |
| BMP783559DT | 2000mAh | 3.7V | NCM | 7.8mm | 35mm | 59mm | 459 Wh/L |
| BMP763364DT | 2000mAh | 3.7V | NCM | 7.6mm | 33mm | 64mm | 461 Wh/L |
| BMP734351DT | 2000mAh | 3.7V | NCM | 7.3mm | 43mm | 51mm | 462 Wh/L |
| BMP753068DT | 2000mAh | 3.7V | LCO | 7.5mm | 30mm | 68mm | 484 Wh/L |
| BMP752847DT | 2000mAh | 3.7V | NCM | 7.5mm | 28mm | 47mm | 750 Wh/L |
Rechargeable li-ion battery 3.7v 2000mah Features
- Rechargeable and Reusable
As a secondary battery, it can be recharged and used multiple times, unlike a primary lithium battery, which is designed for single use. - Long Cycle Life
It can deliver up to 800 charge cycles while maintaining 80% capacity retention, depending on the discharge rate. - Lower long-term operating cost
Compared with primary batteries, it can be recharged and reused many times, resulting in a lower total cost over the long term. - Low Self-Discharge
Monthly self-discharge is less than 5%.
Applications for Rechargeable Li Ion Battery 3.7V 2000mah
Battery Solutions for Different Discharge Requirements
We offer lithium battery cells for a wide range of discharge-rate requirements, from low-current consumer electronics to high-power pulse applications. Whether your product prioritizes long runtime, stable output, or high burst power, we can recommend the right cell type and configuration for your application.
- Typical Discharge Rate: 0.2C–0.5C
These batteries are ideal for applications that prioritize capacity, long runtime, low self-discharge, and cost efficiency. They are commonly used in devices with relatively low and stable power consumption.
- Typical Applications:
Speakers, GPS devices, voice recorders, desk lamps, security cameras, smart door locks, and blood glucose meters.
- Discharge Performance:
0.2C–0.5C (400mA–1000mA), with up to 1C max (2A).
- Key Advantages:
High capacity utilization, low self-discharge, long cycle life, and competitive cost.
- Available Cell Types:
Cylindrical 18650 cells and Li-polymer pouch cells such as 503450 and 603450.
- Cycle Life:
Approximately 500–800 cycles at 80% capacity retention.
- Typical Discharge Rate: 0.5C–2C
Designed for equipment that requires higher working current and good pulse capability, these batteries offer a strong balance between output performance and cycle life.
- Typical Applications:
POS terminals, barcode scanners, two-way radios, handheld testing instruments, dash cams, and Bluetooth speakers operating at high volume.
- Discharge Performance:
Standard 0.5C–1C (1A–2A), with up to 2C–3C max (4A–6A)
- Key Advantages:
Low internal resistance, strong pulse discharge capability, and reduced temperature rise during operation
- Available Cell Types:
Cylindrical 18650 cells and Li-polymer pouch cells
- Cycle Life:
Approximately 300–600 cycles at 80% capacity retention
- Typical Discharge Rate: 3C–5C+
These batteries are built for applications that demand high power output in a short period of time. They are well suited for products where burst performance matters more than maximum runtime.
- Typical Applications:
RC aircraft, RC cars, small power tools, and mini jump starters.
- Discharge Performance:
Continuous 3C–5C (6A–10A), with peak discharge of 10C+ (20A)
- Key Advantages:
Power-focused design, low internal resistance, high output capability, and fast power delivery.
- Available Cell Types:
High-rate Li-polymer cells and high-power cylindrical 18650 cells.
- Cycle Life:
Approximately 200–400 cycles at 80% capacity retention.
We provide what kinds of services
Flexible Customization: Customize the shape, size, capacity, voltage, BMS, connectors, and more to fit your needs.
Supply Capacity: Sample service available; bulk orders supported.
Comprehensive Service: Reliable after-sales follow-up, and a one-year warranty.
Business Support: OEM/ODM services available.
FAQ
Yes. This battery is suitable for small and medium devices that need a balance between runtime and size, such as GPS devices, speakers, smart locks, security cameras, IoT devices, and portable electronics.
The standard discharge rate is 0.2C–1C, about 0.4A–2A. Higher discharge rates can be customized depending on your device's power requirement.
Yes. We offer different 3.7V 2000mAh Li-ion / Li-polymer battery models with various thickness, width, and length options. Buyers can select a suitable size based on the battery compartment.
The battery can support about 500–800 charge cycles, depending on discharge rate, charging conditions, and application environment. It is a cost-effective choice for rechargeable device projects.
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