Samsung INR18650-30Q 3000mAh 15A Li-ion Battery for Power Tools, Flashlights, RC & DIY Battery Packs (1-100 PCS)

The Samsung INR18650-30Q 3000mAh 15A Continuous Discharge Li-ion Rechargeable Battery delivers outstanding energy density, reliable continuous power, and low internal resistance for power-demanding applications. Engineered by Samsung SDI and supplied by DXF POWER with strict quality grading, this 18650 flat-top cell is widely recognized for its consistent 3.6V nominal platform (4.20V max charge), delivering up to 15A continuous current. It is ideal for custom RC battery packs, FPV ground stations, DIY e-bikes, power tools, high-output flashlights, and robotics projects.

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Key Features

• Genuine Samsung SDI 30Q Cell: Premium Grade-A cylindrical lithium-ion cell known for exceptional consistency and cycle life
• 3000mAh High Capacity: Extended runtime and high energy density across ground, aerial, and portable electronics
• 15A Continuous Discharge: Reliable 15A continuous output without excessive voltage sag or heat buildup
• Standard 18650 Flat-Top Design: Industry-standard dimensions (18.5 × 65.0mm) for seamless fit in battery holders, sleds, and spot-welded packs
• Multiple Pack Quantities: Available in 1, 10, 20, 50, and 100 piece bundles for single replacements or bulk pack fabrication
• Strict Factory Quality Testing: Cells are tested for voltage uniformity, low internal resistance, and matched capacity

Specifications, Per Battery

• Brand: Samsung SDI (Supplied by DXF POWER)
• Model: INR18650-30Q (30Q)
• Cell Type: Cylindrical Rechargeable Lithium-ion (Li-ion)
• Form Factor: 18650 Flat Top
• Nominal Capacity: 3000mAh (0.2C discharge)
• Nominal Voltage: 3.6V – 3.7V
• Full Charge Voltage: 4.20V ± 0.05V
• Discharge Cut-Off Voltage: 2.50V (recommended 3.0V for extended cycle life)
• Continuous Discharge Current: 15A
• Standard Charge Current: 1.5A (0.5C)
• Dimensions: Approximately 18.5mm (Diameter) × 65.0mm (Length)
• Weight: Approximately 48.4g
• Applications: Custom DIY RC battery packs, FPV ground power, electric bikes, scooters, power tools, high-lumen flashlights, robotics, and portable power stations

Package Includes

• Samsung INR18650-30Q 3000mAh 15A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS
• Protective packaging / cell box
• User manual and battery safety guide

Choose Your Ideal Power Bundle

• 1 PCS – Quick Replacement & Testing: Single cell for device replacement or benchmark testing
• 10 PCS – Small Pack Rebuilds: Ideal for compact DIY battery packs, flashlight sets, or tool battery repacking
• 20 PCS – Multi-Cell Configurations: Great for 3S–6S multi-parallel RC, drone, or robotics battery builds
• 50 PCS – High-Capacity Modules: Ideal for e-bike modules, scooter packs, and DIY solar power banks
• 100 PCS – Master Builder Bulk Set: Maximum volume savings for commercial assemblers, clubs, and large-scale pack builders

Buying in bundles ensures matched cell batches for balanced series and parallel pack builds.

180-Day Warranty & Customer Support

Every cell batch supplied by DXF POWER is backed by a 180-day manufacturer warranty against defects in materials and workmanship. Customer support is readily available for guidance on cell compatibility, charging parameters, and pack assembly precautions.

Usage & Safety Guidelines

• Use a dedicated lithium-ion smart charger supporting CC/CV charging mode.
• Never charge above 4.20V per cell or discharge below 2.50V per cell.
• Always inspect cell outer wrap, insulator ring, and terminals for damage before use; rewrap if torn.
• Never carry loose 18650 batteries in pockets or bags with keys, coins, or metal objects; always use an insulated battery case.
• Do not short-circuit, crush, incinerate, puncture, or submerge batteries in water or expose them to temperatures above 60°C (140°F).
• Store batteries at 3.60V–3.85V per cell in a cool, dry, ventilated location away from direct sunlight.
• When building multi-cell packs, always use a proper Battery Management System (BMS) with balance protection.

Why Choose DXF?

• Genuine Grade-A Samsung SDI 30Q cells with consistent internal resistance and capacity
• Reliable 15A continuous discharge performance and 3000mAh real capacity
• Careful batch matching for reliable multi-cell pack construction
• Strict pre-shipment quality inspection and secure packaging
• Global warehouse logistics and responsive technical customer support

Perfect For

Engineered for DIY builders, RC enthusiasts, drone pilots, and technicians looking for dependable continuous 15A 18650 power for custom battery packs, electric transport, robotics, cordless tools, and high-output LED illumination.

Power your projects with trusted Samsung 18650 performance. Learn more about setups and battery care on the DXF YouTube channel.