Description
Equip your everyday devices with the perfect balance of power and stamina using this 2-pack of 18650 2600mAh 13A flat top batteries. Designed as a reliable workhorse for moderate to moderately high-drain gear, these 3.7V lithium-ion cells deliver a steady 13A continuous discharge that easily handles bright flashlights, long-running headlamps, motorized toys, portable fans, and Bluetooth speakers. The flat top design ensures a secure fit in battery packs, multi-cell trays, and flat-contact devices. With a real 2600mAh capacity, you get extended runtime without the bulk or cost of disposable batteries. As unprotected cells, they require responsible handling – always pair with a smart Li-ion charger and use in equipment that has built-in over-discharge protection, or add a protection board. Recharge over 500 times, forget the memory effect, and keep your gear going strong.
Key Features
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13A Continuous Discharge – True 13A output with low voltage sag. Perfect for flashlights on high mode, motors in toys, and power-hungry portable speakers without tripping protection circuits.
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2600mAh Reliable Capacity – Classic capacity that strikes a sweet spot between runtime and cell longevity. Powers your headlamp through a whole night shift or keeps a fan spinning for hours.
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Flat Top Positive Terminal – Standard flat contact for battery packs, multi-cell sleds, and most devices that accept 18650 flat tops. Check your device: some flashlights require button tops for proper connection.
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Rechargeable & Economical – Over 500 charge/discharge cycles, replacing hundreds of single-use batteries. Zero memory effect means you can recharge anytime without harming the cell.
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Unprotected Cell – Informed Use Required – These are bare cells without a protection circuit board (PCB). You must use a dedicated Li-ion smart charger and a device that enforces a 2.5V low-voltage cut-off. Never over-discharge, short-circuit, or leave charging unattended.
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Standard 18650 Form Factor – Dimensions approx. 18.3 mm x 65.0 mm, weight about 46 g per cell. Fits virtually any 18650-compatible device.
Parameters
Applications
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LED Flashlights & Torches – Runs medium to high brightness modes stably on EDC lights, tactical torches, and outdoor lanterns without premature step-down.
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Headlamps & Work Lights – Ideal for camping, running, industrial inspection, and night-fishing headlamps that need steady illumination for hours on a single charge.
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Toys & Hobby Models – Provides the instant current required by remote-control cars, foam dart blasters, robot kits, and other motor-driven toys.
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Portable Fans & Coolers – Powers personal desk fans, clip-on fans, and misting fans through long workdays or camping trips.
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Bluetooth Speakers & Audio Gear – Supports high-volume playback without distortion or shutdown, thanks to the stable 13A output.
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Solar Garden Lights & Outdoor Lamps – Direct replacement for worn-out cells; the ample 2600mAh stores enough energy for all-night lighting.
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DIY Electronics & Instruments – Powers Arduino projects, digital multimeters, wireless mice, and small measurement devices reliably.
FAQ
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Q: Are these batteries protected?
A: No. These are unprotected flat top cells. You must use a smart Li-ion charger and ensure your device has a built-in over-discharge protection circuit that cuts off at 2.5V. If not, install an external protection board.
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Q: Flat top vs. button top – will these fit my flashlight?
A: Flat tops fit flashlights with flat contacts or multi-cell carriers. Some single-cell flashlights use a mechanical reverse-polarity ring that physically requires a button top. Check your owner’s manual. Using a magnet spacer is possible but must be done with extreme caution to avoid short circuits.
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Q: How long will a 2600mAh battery last in a toy or fan?
A: Roughly, a toy drawing 5A will run about 0.5 hours, while a desk fan pulling 1A can run around 2.5 hours. Actual runtime depends on the device’s exact current draw and usage pattern.
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Q: What charger should I use?
A: A quality Li-ion smart charger for 3.7V 18650 cells (e.g., XTAR, Nitecore, Vapcell). Never use a NiMH/NiCd charger, and avoid cheap USB-powered single-bay chargers without proper charge termination.
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Q: How should I store these cells?
A: Store at approximately 3.7V in a cool, dry place. Recharge every 6 months. Always keep them in a non-conductive plastic case – never loose in pockets, bags, or drawers with metal objects.
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Q: Is a 2600mAh 13A battery better than a 3500mAh 10A battery?
A: It depends. The 13A cell delivers more current for moderately demanding devices (better for toys and bright lights on high). The 3500mAh 10A cell prioritizes maximum runtime at lower currents (ideal for low-drain devices like solar lights). Choose based on whether your device needs more power or longer runtime.
