Samsung 18650 Battery cells deliver reliable, ultra-high capacity power. Sourced from Samsung SDI, these high-grade cells offer a massive 3,500mAh capacity, making them perfect for long-lasting applications like high-end laptops, powerful flashlights, e-bikes, electric scooters, and solar backup systems.
Technical Specifications:
• Model Name: INR18650-35E
• Manufacturer: Samsung SDI
• Cell Type: Lithium-ion Rechargeable
• Nominal Capacity: 3,500mAh (Minimum: 3,350mAh)
• Nominal Voltage: 3.6V (Charging Voltage: 4.2V)
• Continuous Discharge Current: 8A
• Max Discharge Current: 13A (Non-continuous pulse)
• Cycle Life: ≥ 500 cycles (Capacity remains ≥ 60%)
• Weight: ≤ 50g
• Dimensions: 18.55 mm (Max Diameter) × 65.25 mm (Max Height)
• Operating Temperature: Charge 0°C to 45°C | Discharge -10°C to 60°C
⚠️ CRITICAL LITHIUM-ION SAFETY WARNING:
Lithium-ion cells are highly volatile. Never carry loose cells in your pocket or bag; always store them in a protective plastic case. Do not short-circuit, overcharge, crush, or expose to high temperatures. The user must have expert knowledge of handling, charging, and discharging lithium-ion batteries safely before purchase.
Frequently Asked Questions (FAQ)
Q: Where can I buy genuine, authentic Samsung SDI battery cells in the UK?
A: Core Tech Essentials sources all electronic hardware components and high-capacity lithium-ion power cells directly through fully certified, authorized commercial wholesale distribution networks. Every cell matches official manufacturer datasheets.
Q: What is the difference between a flat-top and a button-top battery cell?
A: Industrial Samsung battery cells feature a flat-top connection terminal. Ensure your high-performance device, customized battery pack build, or specialized torch accepts standard flat-top cells before purchasing.
Q: How should I safely store loose 18650 or 21700 lithium-ion cells?
A: Never carry loose batteries in a pocket, backpack, or bag where metallic items like keys or coins can touch them. Always store battery cells inside a dedicated protective hard plastic case, away from extreme heat or damp conditions.













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