ICR18650 Lithium Ion Battery Cell 3.7V 18650 2000mAh 15C
Summary of 18650 2000mAh 15C Lithium Rechargeable Batteries
ICR18650 3.7V 2000mAh 15C is an engineering‑grade cylindrical lithium‑ion cell optimized for high power density and stable multi‑cell pack integration. With energy density up to 168.18 Wh/kg, continuous discharge at 15C (30A), low internal resistance, and verified cell‑to‑cell consistency, this cell is designed for applications where current delivery, thermal control, and pack reliability matter more than nominal capacity alone.
ICR18650 Battery 2000mAh 3.7 V Specification
Model: ICR18650
Rated Capacity: 2000mAh
Energy: 7.4Wh
Energy Density: 168.18Wh/kg
Minimum Capacity: 1950mAh
Rated voltage: 3.7V
Discharge Cut-off Voltage: 2.75V
Charge Cut-off Voltage: 4.2V
Cycle Life: More than 500 cycles
Dimensions: Φ18*65mm
Weight: 44g
Internal Resistance: Less than 15mΩ
Standard Discharge Current: 0.2C (400mA)
Standard Charge Current: 0.2C (400mA)
Max Continuous Discharge Rate: 15C (30A)
Max Continuous Charge Current: 3C (6A)
Charging Temperature: 0 to 45℃;
Discharge Temperature: -20 to 65℃
Storage Temperature:
- -20℃~25℃: 12 months
- -20℃~45℃: 3 months
- -20℃~60 ℃: 1 month
Key Features – ICR18650 Battery 2000mAh 3.7V
⚡ 15C High Discharge Rate = 30A Output
This is one of the highest-rate 18650 Li-ion cells available, capable of supporting burst and continuous current up to 30A, perfect for devices requiring sudden high power.
🔋 2000mAh Energy Density
Provides a solid runtime for medium-duty applications while keeping battery size compact and efficient.
🔁 Reliable Life Cycle
Delivers 500+ charge/discharge cycles with proper usage, maintaining over 80% capacity throughout.
🔐 High-Safety Chemistry
Made with premium cathode/anode materials, stable separators, and built-in internal pressure relief for enhanced safety during extreme operation.
🛠️ Trusted in Professional Applications
Used widely in drone racing, RC vehicles, cordless power tools, and military-grade equipment due to its high reliability under stress.
🔧 Recommended Applications
High-speed racing drones and RC cars
Power-hungry LED flashlights
Cordless drills, sanders, and electric wrenches
Portable jump starters
E-scooters and electric skateboards
Emergency backup power banks (burst-current capable)
🧩 OEM Customization Services
We offer full customization and OEM services for battery pack builders and device manufacturers:
Spot welding & nickel tab welding
Parallel/series configuration (1S, 2S, 3S…)
Custom battery pack assembly with BMS
Branding, labeling & packaging options
We ensure consistency, traceability, and full technical support during your design and integration process.
⚠️ Commonly Overlooked Points & Frequent Misconceptions
❌ “Higher mAh is always better”
Higher capacity cells often come with higher internal resistance. In high‑current systems, this can result in less usable energy due to voltage sag and heat loss.
❌ Pulse rating equals continuous rating
Pulse discharge figures are not suitable for thermal or lifetime design. Always size packs based on continuous current.
❌ Ignoring consistency in bulk procurement
Mixing cells with wide IR or capacity spreads increases balancing losses and shortens overall pack life, even if individual cells meet spec.
✔ Correct approach
Define load profile first, then select capacity and C‑rate together—not separately.
❓ FAQ – 18650 2000mAh 3.7V 15C Lithium Ion Battery
1. What does “15C” mean in battery terms?
“15C” refers to the maximum continuous discharge rate of 15 times the battery’s capacity. For a 2000mAh battery, 15C = 30A continuous discharge, ideal for high-power applications.
2. Is this battery safe for DIY or commercial packs?
Yes, but due to its high current rating, this unprotected cell must be used with a reliable BMS or protection circuit in packs. We also offer protected or PCM-integrated versions upon request.
3. What charger should I use for this battery?
Use a Li-ion charger rated for 3.7V cells. Recommended charging at 0.5C–1C (1000–2000mA). Avoid overcharging beyond 4.2V.
4. Can I buy in bulk with custom options?
Absolutely. We support bulk OEM/ODM orders with custom tab welding, pack configuration, shrink wrapping, labeling, and more. Lead time:
Samples: 3–5 business days
Bulk production: 10–15 business days
5. What is the expected cycle life of this battery?
With proper charging and discharging protocols, you can expect to 500+ cycles, retaining ≥80% capacity.
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