Lithium-ion Battery LP18650D 2S3P 7.4V 6600mAh with Protection Circuit and 10K NTC Wires
In today’s fast-paced world, reliable, high-capacity power sources are essential for various applications, from industrial tools to advanced electronics. The Lithium-ion Battery LP18650D 2S3P 7.4V 6600mAh is a robust and efficient solution, delivering long-lasting performance, high energy density, and enhanced safety features.
The LP18650D 2S3P battery pack is designed with two cells in series (2S) and three in parallel (3P), ensuring a stable 7.4V output and an impressive 6600mAh capacity. This Li-ion Battery LP18650D 2S3P 7.4V 6600mAh 48.84Wh size is 54mm x 36mm x 65mm. This configuration offers increased power retention, longer runtime, and consistent energy delivery, making it an excellent choice for high-drain applications. Equipped with a Protection Circuit Module (PCM), the battery pack is safeguarded against overcharging, over-discharging, short circuits, and excessive current flow, enhancing its durability and operational safety.
LiPol Battery is a leading manufacturer of custom and standard lithium-ion battery solutions, offering certified, reliable, and high-performance power sources. With over 15 years of expertise, we specialize in OEM customization, providing tailored battery solutions for a wide range of industries. Need a powerful, durable, and safe battery pack for your next project? Contact LiPol Battery today and get the best lithium-ion battery solutions!
Lithium-ion Battery LP18650D 2S3P 7.4V 6600mAh
| Battery Type: | Rechargeable Li-ion Batteries |
| Model: | LP18650D 2S3P, 18650D 2S3P |
| Nominal Voltage: | 7.4V |
| Capacity: | 6600mAh |
| Size: | 54mm x 36.0mm x 65.0mm |
| Protection circuit module(PCM): | Yes |
| Thermistor(NTC): | No |
| Connector: | No |
| Configuration: | 1S1P |
| Weight: | 420.0g |
| Wat-Hou Rating: | 48.84Wh |
| Max. Operating Voltage Range: | 2.75V to 4.2V |
| Max. Charge Voltage: | 4.2V±50mV |
| Max. Charge Current: | 2000mA |
| Max. Discharge Current: | 3000mA |
| Discharge Cut-off | 2.75V |
| Internal Impedance: | <200mΩ |
| Expected Cycle Life @(0.5C/0.5C)@23±5°C) | 500 cycles ≥ 80% |
Key Features of the Lithium-ion Battery LP18650D 2S3P 7.4V 6600mAh
✔ High Capacity & Voltage – Delivers 6600mAh of reliable power at 7.4V, ensuring extended operational time.
✔ Protection Circuit Module (PCM) – Built-in safety features prevent battery malfunctions, increasing lifespan.
✔ High Energy Density – Offers compact size and lightweight design without compromising performance.
✔ Long Cycle Life – Designed for hundreds of charge-discharge cycles, making it a cost-effective solution.
✔ Versatile Applications—It is compatible with medical equipment, industrial tools, personal electronics, IoT devices, and more.
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High-Quality LiPo Battery from a Trusted Manufacturer
LiPol Battery Co., Ltd. is committed to providing certified and reliable high-voltage LiPo and Li-ion batteries that comply with international safety standards, ensuring maximum safety and performance for various applications. As an OEM battery manufacturer, LiPol offers customized battery solutions, tailoring specifications such as capacity, voltage, size, and connectors to meet unique product requirements.
To support seamless product development, LiPol provides fast sampling and prototyping services, allowing customers to test battery performance before mass production. With a focus on high performance and long cycle life, LiPol’s advanced battery technology delivers stable, efficient, and long-lasting energy solutions, making them ideal for wearables, medical devices, consumer electronics, drones, and industrial applications.
We manufacture rectangular lipo battery, ultra-thin lipo battery, round lipo battery, cylinder lipo battery, 18650 battery, high rate 18650 battery, curved lipo battery, high discharge rate lipo battery, micro round lipo battery, 21700 li ion battery, 26650 li ion battery, 3.8V lipo battery in different sizes and capacities.
Customer satisfaction is our top priority. We offer tailored solutions to meet specific needs, providing comprehensive support and responsive service. Our customer-centric approach ensures we build lasting relationships with our clients, understand their requirements, and deliver beyond their expectations.
As an Authorized Battery Manufacturer, LiPol provides a huge selection of in-stock LiPo batteries and customized solutions to meet your specific design needs. Whether you require unique shapes, sizes, or configurations, we can deliver!
How to Order Your LiPo Battery from LiPol Battery Co., Ltd.
Contact Us with Your LiPo Battery Requirements
To begin, send us your LiPo battery specifications via our sidebar contact form or Contact Us page. Please provide detailed information, including:
- Battery dimensions (Thickness × Width × Length)
- Voltage & Capacity
- Maximum Working Current
- Protection Circuit Module (PCM) specifications
- Wire Length & Type
- Thermistor (NTC) requirement
- Connector Type (e.g., JST, Molex, or custom connectors)
The more detailed your request, the easier it is for us to provide the perfect battery solution.
Evaluation & Quotation
Once we receive your inquiry, our team will review your requirements and respond within 12 hours with:
- A detailed battery specification sheet
- Pricing and quotation for different quantities
- Estimated lead time for production and delivery
Confirm & Place Your Order
We will issue an invoice for payment after agreeing on the battery model, quantity, price, and delivery details. Our standard payment terms require 100% upfront payment, and we accept:
- PayPal
- Credit Card
- Bank Transfer
Once the payment is received, we will begin processing your order.
Secure & Fast Shipping
When your LiPo batteries are ready, we will arrange door-to-door shipping via DHL, UPS, or FedEx for safe and fast delivery. You will receive a tracking number, and we will monitor your shipment to ensure it arrives on time.
Warranty & After-Sales Support
All our batteries come with a one-year warranty. We will provide a refund or replacement if you experience any battery issues, such as low voltage, expansion, or leakage under correct usage conditions.
Looking for a high-quality LiPo battery? Contact LiPol Battery today to get started on your order!
Applications of the LP18650D 2S3P 7.4V 6600mAh Battery
🔹 Medical Devices – Reliable power for portable diagnostic and monitoring equipment.
🔹 Industrial & Robotics – Ideal for automated machinery, IoT devices, and remote monitoring systems.
🔹 Wearable Technology – Perfect for advanced smart wearables that require high-capacity power.
🔹 Personal & Consumer Electronics – Supports wireless communication devices, security systems, and handheld gadgets.
🔹 Electric Vehicles & Drones – Delivers consistent power for electric mobility solutions.
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Related Rechargeable Lithium-ion Battery List
| Model | Voltage(V) | Capacity(mAh) | Size(mm) |
|---|---|---|---|
| LP18650D | 3.7 | 2200 | 18*65 |
| LP18650C | 3.7 | 2600 | 18*65 |
| LP18650B | 3.7 | 2800 | 18*65 |
| LP18650A | 3.7 | 3200 | 18*65 |
| LP18650S | 3.7 | 3350 | 18*65 |
| LP18650A+ | 3.7 | 3500 | 18*65 |
| LP18650D 2P | 3.7 | 4400 | 19*37*70 |
| LP18650C 2P | 3.7 | 5200 | 19*37*70 |
| LP18650B 2P | 3.7 | 5600 | 19*37*70 |
| LP18650A 2P | 3.7 | 6400 | 19*37*70 |
| LP18650S 2P | 3.7 | 6700 | 19*37*70 |
| LP18650A+ 2P | 3.7 | 7000 | 19*37*70 |
| LP18650D 3P | 3.7 | 6600 | 19*56*70 |
| LP18650C 3P | 3.7 | 7800 | 19*56*70 |
| LP18650B 3P | 3.7 | 8400 | 19*56*70 |
| LP18650A 3P | 3.7 | 9600 | 19*56*70 |
| LP18650S 3P | 3.7 | 10050 | 19*56*70 |
| LP18650A+ 3P | 3.7 | 10500 | 19*56*70 |
| LP18650D 2S | 7.4 | 2200 | 19*37*70 |
| LP18650C 2S | 7.4 | 2600 | 19*37*70 |
| LP18650B 2S | 7.4 | 2800 | 19*37*70 |
| LP18650A 2S | 7.4 | 3200 | 19*37*70 |
| LP18650S 2S | 7.4 | 3350 | 19*37*70 |
| LP18650A+ 2S | 7.4 | 3500 | 19*37*70 |
| LP18650D 3S | 11.1 | 2200 | 19*56*70 |
| LP18650C 3S | 11.1 | 2600 | 19*56*70 |
| LP18650B 3S | 11.1 | 2800 | 19*56*70 |
| LP18650A 3S | 11.1 | 3200 | 19*56*70 |
| LP18650S 3S | 11.1 | 3350 | 19*56*70 |
| LP18650A+ 3S | 11.1 | 3500 | 19*56*70 |








