Product Description:
The Panasonic Li-ion 26650 A is an industrial-grade 26650 lithium-ion battery custom-sourced directly from the Panasonic factory in Japan. Unlike standard retail cells, this battery features superior consistency, rigorously verified capacity, and extremely low internal resistance. In actual 1A discharge tests down to 2.75V, the measured capacity consistently exceeds 5200mAh, delivering honest, reliable power.
With a stable 5A continuous discharge and an ultra-low internal resistance of just 26-29mΩ, this cell provides highly efficient, long-lasting energy for high-performance flashlights, portable power banks, and outdoor gear. Please note: As clearly printed on the battery wrapper, this product is NOT for e-cigarette . It also does not support high-current charger use.
To suit your specific project needs, we offer 3 top-terminal variants:
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Large Button Top (2pcs): Height 67.2mm. Features a larger protruding button, suitable for series connection.
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Small Button Top (2pcs): Height 66.6mm. Features a smaller protruding button, suitable for series connection. (Default shipping version.)
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Flat Top (2pcs): Height 65.5mm. Standard flat terminal. Not suitable for series connection.
Key Features:
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Panasonic Li-ion 26650 A Industrial Cell: Premium-grade Li-ion battery custom-sourced directly from the Panasonic factory in Japan.
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5200mAh+ Real Capacity: Rated at 5000mAh, but independently tested to deliver over 5200mAh in real-world conditions.
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5A Stable Continuous Discharge: Provides a reliable 5A output for medium-to-high power devices.
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Ultra-Low Internal Resistance (26-29mΩ): Ensures minimal heat generation and maximum energy transfer efficiency.
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Superior Consistency: High-quality production ensures excellent batch-to-batch consistency and reliable performance.
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Industrial Grade Quality: Built to Panasonic's rigorous standards for durability and long-term performance.
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Versatile 3 Top Options: Choose from Large Button Top, Small Button Top, or Flat Top to fit your specific device requirements.
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Standard 26650 Size: Perfectly fits standard 26650 battery compartments (26mm diameter).
Product Parameters:
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Brand: Panasonic
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Model: Li-ion 26650 A
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Size: 26650
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Nominal Capacity: 5000mAh
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Actual Capacity: ≥ 5200mAh (Tested at 1A discharge to 2.75V)
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Nominal Voltage: 3.7V
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Max Continuous Discharge Current: 5A
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Internal Resistance: 26-29mΩ
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Chemistry: Li-ion (Lithium Ion)
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Variant Options: Large Button Top (67.2mm) / Small Button Top (66.6mm) / Flat Top (65.5mm)
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Series Connection Support: Yes (Button Top variants) / No (Flat Top)
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Dimensions: 26mm (Diameter) x 65.5mm / 66.6mm / 67.2mm (Height)
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Pack Quantity: 2pcs
Applications:
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High-Performance LED Flashlights: Powers high-lumen tactical flashlights and searchlights with stable, high-capacity energy.
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Portable Power Banks: Ideal core cell for building high-capacity, reliable portable power banks.
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Outdoor & Camping Gear: Provides long-lasting power for headlamps, camping lanterns, and portable radios.
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DIY Battery Pack Assembly: Suitable for assembling medium-power 12V/24V battery packs.
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Emergency Backup Power: Reliable power for emergency lighting and backup energy systems.
Frequently Asked Questions (FAQ):
Q1: What is the difference between the three top variants?
A1: * Large Button Top (67.2mm): Has a larger protruding positive terminal, suitable for series connection. * Small Button Top (66.6mm): Has a smaller protruding positive terminal, also suitable for series connection. (Default shipping version.) * Flat Top (65.5mm): Has a flat positive terminal. Not suitable for series connection. Please check your device's battery compartment compatibility before ordering.
Q2: What is the actual capacity of this battery?
A2: While rated at 5000mAh, this industrial-grade cell has been independently tested. When discharged at 1A down to 2.75V, the measured capacity consistently exceeds 5200mAh, providing honest and reliable energy.
Q3: What is the discharge current of this battery?
A3: This Panasonic Li-ion 26650 A supports a stable 5A continuous discharge current, making it suitable for flashlights, power banks, and medium-power devices.
Q5: Can I use this battery with a fast charger?
A5: No. This battery does not support fast charging. Please use a standard Li-ion charger designed for 3.6V/3.7V batteries with a 4.2V cut-off voltage.
