Product Description
Experience industry-leading runtime with the Panasonic NCR18650GA 18650 Battery (Model: NCR18650GA). Engineered by Panasonic, a global leader in battery technology, this 18650 lithium-ion cell delivers an exceptional 3500mAh capacity – one of the highest available in the 18650 format – paired with a stable 10A continuous discharge (short pulse up to 20A). Designed for devices that demand maximum runtime, the NCR18650GA is the perfect choice for high-lumen flashlights, portable power banks, camping gear, e-bikes, and other long-range applications. This listing offers both Flat Top and Button Top versions, giving you the flexibility to choose the right terminal type for your device. Whether you need a flat top for modern flashlights and DIY battery packs, or a button top for older equipment with spring-loaded contacts, we've got you covered. This listing includes one individual cell (multi-pack options available), offering the legendary quality and durability that Panasonic is known for.
Key Features
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Ultra-High Capacity (3500mAh)
Offers an impressive 3500mAh of reliable capacity, providing 17% more runtime than standard 3000mAh cells (like the Samsung 30Q) and up to 40% more than 2500mAh cells. This is the highest capacity 18650 cell available from a major brand. -
Stable 10A Continuous Discharge
Delivers a consistent 10A continuous current, ideal for high-lumen flashlights, headlamps, portable fans, and other medium-drain devices. Supports short pulse discharges up to 20A for burst power needs. -
Flat Top & Button Top Available
Choose the right terminal for your device. Flat Top fits most modern devices (flashlights, DIY packs, e-bikes). Button Top is required for older gear with spring-loaded contacts or specific battery holders. -
Long Runtime Focus
Optimized for devices that need to run for hours or days without recharging, making it an excellent choice for camping, emergency preparedness, and extended outdoor activities. -
Legendary Panasonic Quality
Premium-grade NCR18650GA cells from one of the world's most trusted battery manufacturers, ensuring exceptional cycle life, safety certifications, and consistent voltage stability. -
Versatile Performance
Suitable for a wide range of long-run applications, from high-power flashlights to e-bikes and portable power stations.
Technical Parameters
| Parameter | Value |
|---|---|
| Brand & Model | Panasonic NCR18650GA |
| Battery Type | Lithium-Ion (Li-Ion) |
| Size | 18650 (Diameter 18mm, Height 65mm) |
| Capacity | 3500mAh (Minimum 3400mAh) |
| Nominal Voltage | 3.6V |
| Full Charge Voltage | 4.2V |
| Cut-off Voltage | 2.5V |
| Continuous Discharge Current | 10A |
| Pulse Discharge Current | Up to 20A (short pulses only, not for continuous use) |
| Terminal Options | Flat Top / Button Top (select at checkout) |
| Internal Resistance | ~18-22mΩ (Typical) |
| Protection Circuit | No (Unprotected Cell) |
| Operating Temperature | -20°C to 60°C |
| Quantity in Package | 1 Cell |
Applications
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High-Lumen Flashlights & Headlamps
Powering tactical flashlights, searchlights, and headlamps for extended periods, perfect for night hiking, camping, and search & rescue. -
Portable Power Banks
Building high-capacity power banks for charging phones, tablets, and other USB devices multiple times on the go. -
Camping & Outdoor Gear
Running portable camping fans, LED lanterns, heated jackets, and other outdoor electronics for days without recharge. -
Electric Bikes (E-Bikes) / E-Scooters
Building battery packs for light e-bikes, e-scooters, and electric skateboards where maximum range is the priority. -
DIY Battery Packs
Creating custom 1S, 2S, 3S, or larger battery banks for robotics, drones, or portable power stations. -
Emergency Preparedness
Building backup power systems for emergency lights, radios, and essential devices during power outages or natural disasters. -
Portable Power Stations
Building compact yet high-capacity battery banks for off-grid living, camping, or emergency backup.
FAQ
Q1: What is the capacity of the Panasonic NCR18650GA?
A: The Panasonic NCR18650GA has a 3500mAh capacity (minimum 3400mAh), making it one of the highest capacity 18650 cells available from a major brand.
Q2: What is the continuous discharge rating?
A: The official continuous discharge rating is 10A. Short-duration pulse discharges can reach up to 20A, but it is not designed for continuous 10A+ operation. For safety and longevity, we recommend staying within the 10A continuous limit.
Q3: What is the difference between Flat Top and Button Top?
A: Flat Top has a flat positive terminal, compatible with most modern devices (flashlights, DIY packs, e-bikes). Button Top has a raised positive terminal (like a standard AA battery), required for older devices and certain flashlights with spring-loaded contacts. Please select your desired version when placing your order.
Q4: How does Panasonic NCR18650GA compare to Samsung 30Q and Sony VTC6?
A: The NCR18650GA has the highest capacity (3500mAh) but the lowest continuous discharge (10A). Choose the NCR18650GA if you need maximum runtime for low to medium-drain devices (flashlights, camping gear, e-bikes). Choose the Samsung 30Q or Sony VTC6 for higher power applications (power tools).
Model Comparison Table
| Model | Capacity | Continuous Discharge | Best For |
|---|---|---|---|
| Panasonic NCR18650GA | 3500mAh | 10A | Maximum runtime (flashlights, camping, e-bikes) |
| Samsung 30Q | 3000mAh | 15A | Balanced (flashlights) |
| Sony VTC6 | 3000mAh | 20A | High power (tools) |
Q5: Does this battery have a protection circuit (PCB/BMS) built-in?
A: No. The Panasonic NCR18650GA is an unprotected cell. It relies on the external device or a BMS (Battery Management System) to handle overcharge, over-discharge, and short-circuit protection.
Q6: What charger should I use?
A: Use a dedicated intelligent Li-Ion charger designed for 3.6V/4.2V cells. Ensure the charger supports the correct voltage for your specific pack setup (e.g., 1S charger for single cells, 2S charger for 2 cells in series, etc.).
Q7: How do I identify positive and negative terminals?
A: The flat top (or the raised button on button top version) is the Positive (+) terminal. The bottom (the side with the shiny metal casing and a slight indentation) is the Negative (-) terminal.
Q8: Is the NCR18650GA still a good battery in 2026?
A: Absolutely. The Panasonic NCR18650GA remains the gold standard for high-capacity 18650 cells. Its 3500mAh capacity is still among the best in class, and its reliability and safety are legendary. It continues to be a top choice for flashlight enthusiasts, campers, and DIY battery builders.
Q9: Are the button top versions original Panasonic?
A: The button top version is a flat top cell with a welded button top. While the cell itself is an authentic Panasonic NCR18650GA, the button top is added by a third party to ensure compatibility with a wider range of devices. The button top version is slightly taller than the standard flat top version. Please check your device's battery compartment clearance before purchasing.

