Samsung 30Q 18650 – 3000mAh 15A Lithium-Ion Cell

  High-Performance Cell – Perfect for Rebuilds & Custom Packs     The Samsung 30Q is one of the most trusted 18650 cells in the industry, balancing 3000mAh capacity with a 15A continuous discharge rate. Ideal for high-drain applications such as:   E-bike battery rebuilds Power tools and flashlights Custom lithium-ion battery packs Whether you’re a DIY enthusiast or a large-scale builder, the 30Q delivers reliable performance, consistent quality, and excellent cycle life. Tech Specs Feature Specification Model Samsung INR18650-30Q Format 18650 (Cylindrical) Nominal Capacity 3000mAh Nominal Voltage 3.6V – 3.7V Max Continuous Discharge 15A Max Pulse Discharge 20A (with temp control) Charging Voltage 4.20V ± 0.05V Discharge Cutoff 2.5V Chemistry INR (LiNiMnCoOâ‚‚) Weight ~45g Size 18.3mm x 65.0mm Cycle Life 300–500+ cycles       Why Choose RPE?     ✅ All cells are tested and verified before shippin