Description
Unleash extreme power with the Molicel P26A, a top-tier 18650 high-drain cell designed for the most demanding applications. This 10-pack delivers a genuine 35A continuous discharge and 2600mAh capacity, making it the go-to choice for high-wattage cordless power tools, FET-driven flashlights, and RC racers. With an ultra-low internal resistance of just ~12mΩ, the P26A virtually eliminates voltage sag under load, ensuring maximum power delivery from start to finish. The flat top design fits all standard spring-contact devices and is ideal for spot-welding custom battery packs. When your device needs serious amps, trust the cell the pros rely on.
Key Features
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35A True Continuous Discharge – Delivers massive, stable power for the most current-hungry devices. Handles sub-ohm builds, power tool surges, and hot-rod flashlight turbos with ease.
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2600mAh Optimized Capacity – Balances usable runtime with extreme current output. Enough energy for high-drain use without sacrificing rate capability.
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Ultra-Low Internal Resistance (~12mΩ) – Minimizes heat build-up and voltage sag, keeping your device cooler and hitting harder under heavy loads.
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Flat Top Design – Compatible with all standard 18650 spring-contact chargers, flashlights, and battery trays. Flat terminal simplifies spot-welding for DIY packs.
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10-Pack Bulk Value – Perfect for stocking up, building multi-cell packs, or sharing with fellow enthusiasts. Genuine Molicel cells in every box.
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Molicel Quality & Safety – Manufactured to the highest standards with built-in safety vents and consistent cell-to-cell performance, trusted by professionals worldwide.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | Molicel INR-18650-P26A |
| Typical Capacity | 2600 mAh (0.2C discharge to 2.5V) |
| Minimum Capacity | 2500 mAh |
| Nominal Voltage | 3.6 V (typical operating 3.7 V) |
| Max Continuous Discharge | 35 A (cell temperature ≤ 80°C) |
| Max Pulse Discharge | Higher bursts possible (monitor temperature) |
| Discharge Cut-off Voltage | 2.5 V (do not over-discharge) |
| Standard Charge | CC-CV, 0.5C (1300 mA) to 4.2 V, cut-off 50 mA |
| Max Charge Current | 1C (2600 mA); fast charge above 1C requires temperature monitoring |
| Internal Resistance | ≤ 12 mΩ (AC 1 kHz) |
| Cycle Life | ≥ 250 cycles (to 80% capacity, 1C charge / 10A discharge) |
| Operating Temperature (Discharge) | -20°C to 60°C (ensure adequate cooling at sustained 35A) |
| Top Type | Flat Top, Unprotected |
| Dimensions | Approx. 18.4 mm diameter × 65.0 mm length |
| Weight (single cell) | Approx. 45 g |
| Package Includes | 10 × Molicel P26A 18650 cells in protective packaging |
Applications
Recommended For
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High-Power Vaping: Mechanical mods, unregulated boxes, and high-wattage regulated devices with sub-ohm builds (safely down to ~0.12Ω at 3.6V). Exceptional voltage stability and minimal sag.
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Cordless Power Tools: Impact drivers, drills, circular saws, and wrenches when used in properly built battery packs with a BMS.
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High-Output Flashlights: FET-driven hot-rod lights, multi-emitter torches, and custom builds that pull 20–30A on turbo.
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RC Cars, Boats & Airsoft: Competitive models requiring instantaneous high current bursts without voltage drop.
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DIY High-Current Packs: Spot welders, portable jump starters, and any project demanding reliable high-rate discharge.
Not Recommended For
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Long-Runtime Low-Drain Devices: Solar lights, camping lanterns, and wireless sensors. These benefit more from a 3500mAh high-capacity cell.
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Standard USB Power Banks: The extreme current capability is wasted, and the 2600mAh capacity is lower than high-energy alternatives.
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Devices Requiring Button Tops: This is a flat top cell. Use a magnetic spacer if your device needs a raised positive contact, but ensure it does not cause shorts.
FAQ
Q: Can I use this battery for vaping? What's the lowest safe resistance?
A: Absolutely. The P26A is one of the best 18650 cells for mechanical mods and high-wattage regulated devices. At 35A continuous and 3.6V nominal, it can safely handle builds down to approximately 0.12Ω, leaving a comfortable safety margin. Always calculate your current using Ohm's law and never exceed 35A.
Q: Why is the capacity only 2600mAh? I see higher capacities available.
A: High-drain cells like the P26A prioritize current output and low internal resistance over maximum capacity. The 2600mAh rating is the trade-off for being able to deliver 35A continuously. If your device draws less than 10A, a 3500mAh cell will give you much longer runtime.
Q: Can I rebuild a power tool battery pack with these?
A: Yes, the P26A is excellent for rebuilding cordless tool packs. Ensure all cells are matched in voltage and internal resistance, spot-weld nickel strips (never solder directly to the cell), and install a BMS rated for at least 40A.
Q: Is this battery protected?
A: No, it is an unprotected flat top cell. This is standard for high-drain applications to allow unrestricted current flow. For single-cell use, your device must have its own protection. For multi-cell packs, you must use an external BMS.
Q: How should I store these cells long-term?
A: Store at 3.6–3.7V (approximately 40–50% charge) in a cool, dry place. Use non-conductive battery cases to prevent accidental short circuits. Avoid storing fully charged or deeply discharged for extended periods.
