3S 11.1V 18650 2500mAh Triangle Battery Pack Lithium Ion with BMS
Summary of 18650-3S1P 12V 2500mAh
The 3S 11.1V 18650 2500mAh Triangle Lithium-Ion Battery Pack with BMS is a high-performance, space-efficient power solution designed for demanding electronic and industrial applications. Built with premium nickel-cobalt-manganese (NCM) cells, it delivers lightweight design, long-lasting energy output, and exceptional safety. Its unique triangular shape makes it ideal for devices with irregular or space-constrained layouts, while the integrated precision BMS ensures stable performance and multi-layer protection.
11.1V 18650 Battery Pack Parameters
Battery Model: 18650 Battery 11.1V
Battery Type: Lithium-ion Batteries
Nominal Voltage: 11.1V (12V)
Charge Voltage: 12.6V
Cut-off Voltage: 8.1V
Nominal Capacity: 2500mAh
Minimum Capacity: 2450mAh
Max Continuous Discharge Current: 5A
Peak Discharge Current: 10A
Max Charge Current: 5A
Cycle Life: ≥500 Cycles @80% DOD
Weight: 145g
Size: 38*38*70mm
Charging Temperature: 0°C to 50°C
Operating Temperature: -20°C to 65°C
Storage Temperature:
- -20℃~25℃: 12 months
- -20℃~45℃: 3 months
- -20℃~60 ℃: 1 month
Key Features – 11.1V 2500mAh 18650 Battery
🧩 Innovative “Triangle” Design for Space Efficiency
This battery pack features a distinctive triangular structure, engineered to fit irregular or compact spaces perfectly. It maximizes available space utilization, making it ideal for applications like robotics, medical devices, smart tools, and custom enclosures where space design is critical.
⚙️ High-Performance NCM Cell Chemistry
Equipped with nickel-cobalt-manganese (LiNiCoMnO₂) cells, this pack provides:
High energy density for extended operation
Lightweight structure for improved efficiency
Stable discharge curve and consistent power delivery
Its 11.1V (12V) output and 2500mAh capacity ensure a balance of endurance and portability for both continuous and burst power applications.
🔒 Smart BMS for Total Protection
An advanced Battery Management System (BMS) is built-in to guarantee safe, stable, and intelligent control.
6-Layer Protection Includes:
✅ Overcharge Protection
✅ Over-discharge Protection
✅ Overcurrent Protection
✅ Short-circuit Protection
✅ Overtemperature Protection
✅ Balancing Function for Longer Life
Your device stays safe and efficient—under any condition.
🔁 Long Cycle Life & Strong Durability
Designed for longevity, this battery retains over 80% capacity after 500 charge/discharge cycles. It supports 5A continuous charge/discharge, making it ideal for high-current applications that require endurance and reliability.
🌡️ Wide Temperature Adaptability
Operating seamlessly from -20°C to +65°C, this battery performs reliably in both cold and hot environments, ensuring stability across diverse climates and working conditions.
Perfect for outdoor gear, drones, mobility devices, and more.
🧰 Full-Customization Service
We offer complete OEM/ODM customization, from cell design to packaging:
Hardware Customization:
Size, capacity, voltage, BMS configuration
Appearance Customization:
Logo printing, label design, shrink wrap color, exclusive packaging
Connection Customization:
Wire length, plug type, connector selection
Empower your brand with custom battery solutions.
🛠️ Typical Applications
🔌 Portable power tools
🤖 Robotics and automation systems
🚴 Electric bikes and scooters
📡 Communication and tracking devices
💡 LED lighting systems
🧭 Outdoor and exploration equipment
🌍 Why Choose Cestpower Battery?
With deep expertise in rechargeable lithium battery R&D and manufacturing, CESTPOWER provides safe, efficient, and fully customizable power solutions trusted by global clients. Every pack is built to international quality standards with strict testing and traceability, ensuring dependable performance for industrial and consumer applications alike.
❓Frequently Asked Questions (FAQ)
Q1: What makes the triangular design unique?
A: The triangle structure optimizes use of irregular or limited spaces, allowing better integration into compact device designs without sacrificing energy capacity.
Q2: Can this battery be customized for my device?
A: Yes! Cestpower provide complete customization—from voltage and dimensions to connectors, labels, and packaging.
Q3: Is the BMS included?
A: Absolutely. Each pack includes a built-in smart BMS offering six layers of protection for safety and longevity.
Q4: How long does the battery last?
A: The battery maintains 80% capacity after 500 full cycles, depending on usage conditions.
Q5: What’s the working temperature range?
A: The battery operates reliably between -20°C and +65°C, making it suitable for a wide variety of applications.
Q6: Is Cestpower manufacturer or dealer?
A: Cestpower is 18650 lithium battery manufacturer with more than 15 years experience, with 20+ R&D team, we are professional on custom battery packs.
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