3.7V 3500mAh 18650 Cylindrical 3c Lithium Battery for Power Tool Energy Supply

• Customization: Available
• Type: Li-ion Battery
• Cathode Material: NCM
• Model NO.: 18650-35E
• Rechargeable: Yes
• Size: Small
• Capacity: 3500mAh
• Voltage: 3.7V
• Dimension: 18mm*65mm
• Weight: 45g
• Transport Package: Un Carton
• Specification: 18650
• Trademark: Richlight or OEM
• Origin: China
• HS Code: 8506500000
• Production Capacity: 100000/Year
• Package Size: 35.00cm * 30.00cm * 20.00cm
• Package Gross Weight: 20.000kg
• Lead Time: 7 days (1 - 1000 Pieces) ; To be negotiated ( > 1000 Pieces)

Product Description

Product Description

18650 Ternary (NMC) Lithium Battery

18650 Ternary (NMC) Lithium Battery – 3C High-Power Cell | 3500mAh | 3.7V | Ideal for Electric Tools & Power Equipment

This 18650 ternary lithium-ion (NMC) battery is a high-rate 3C power cell designed for electric tools, power tools, and high-drain devices. With a 2500mAh capacity and 3.7V nominal voltage, it delivers strong and stable power output, making it perfect for cordless drills, electric screwdrivers, LED flashlights, and other demanding applications.

Featuring a 3C continuous discharge rate (up to 7.5A), this battery ensures high current delivery for motor-driven tools while maintaining long cycle life and safety. The ternary (NMC) chemistry provides an optimal balance of energy density, power output, and thermal stability.

Specification

Parameter	Specification
Model	18650 Ternary (NMC) Lithium Battery
Nominal Voltage	3.7V
Capacity	3500mAh (min. 2450mAh)
Energy	9.25Wh
Chemistry	Li-NMC (Lithium Nickel Manganese Cobalt Oxide)
Continuous Discharge	3C (7.5A)
Peak Discharge	5C (12.5A, ≤3 sec)
Charging Voltage	4.2V ± 0.05V
Standard Charge Current	0.5C (1250mA)
Fast Charge Current	1C (2500mA)
Cycle Life	≥300 cycles (80% capacity retention)
Operating Temperature	Charge: 0°C ~ 45°C Discharge: -20°C ~ 60°C
Dimensions (D×H)	18.3mm × 65.0mm (±0.2mm)
Weight	~45g
Protections	Overcharge, over-discharge, short circuit protection (if PCB included)
Certifications	CE, RoHS, UN38.3 (Optional: UL, IEC)

Company Profile

Company Profile

Rich Light– Your Trusted Lithium Battery Partner

About Us Founded in 2012,  is a leading manufacturer specializing in high-quality lithium batteries for diverse applications.
 
With 13 years of expertise, we design and produce a wide range of lithium-ion products, from individual cells (Li-ion, LiFePO4, etc.) to custom battery packs, serving industries worldwide.  
Our Strengths 
   Comprehensive Solutions – Full-spectrum production of cells, modules, and battery packs tailored to client needs.
    Cutting-Edge Technology – Advanced R&D and strict quality control (ISO-certified) ensure safety and performance.
   Global Reach – Exports to {Number}+ countries, trusted by OEMs, energy storage, and EV sectors.
   Sustainability Focus – Eco-friendly production processes and recyclable battery designs.  Product Portfolio  Lithium-ion Cells (NMC, LFP, etc.) Custom Battery Packs (BMS integration, waterproof designs) Applications: EVs, energy storage, consumer electronics, industrial equipment.

Certifications

FAQ

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 1. What types of lithium batteries do you offer?
We provide a wide range of lithium batteries, including:  Lithium-ion (Li-ion) – High energy density, ideal for consumer electronics. Lithium Iron Phosphate (LiFePO4) – Long lifespan and enhanced safety, perfect for EVs and solar storage. Custom Battery Packs – Tailored solutions with BMS (Battery Management System) integration.
 
2. What is the typical lifespan of your batteries? 
Li-ion: 500–1,000 cycles (depending on usage and charging habits). LiFePO4: 2,000–5,000 cycles (longer lifespan with stable performance). Tip: Avoid deep discharges to extend battery life.
 
3. How should I store lithium batteries?
Store at 30%–50% charge in a cool, dry place (15°C–25°C / 59°F–77°F). Avoid extreme temperatures or humidity.
 
4. Are your batteries certified for safety? 
Yes! Our products comply with international standards like:  UN38.3 (transport safety) IEC 62133 (consumer electronics) UL/CE (regional certifications)
 
 5. Can I customize battery voltage/capacity? 
Absolutely! We offer custom battery packs with flexible configurations (voltage, capacity, size) to fit your project needs.  6. What's the lead time for orders? Standard products: 7–15 business days. Custom orders: 3–6 weeks (depending on complexity).