18650 lithium battery 2000mah
3.7 v 2000mah lithium battery 18650
18650 battery 2000mah 3.7 volt
18650 battery 3.7 v 2000mah

18650 2000mAh 3.7 volt Lithium-ion Battery

A reliable, no-exaggeration 18650 battery that lasts, stays stable, and works great in flashlights, tools, e-bikes, and more—plus fully customizable to your specs.

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Description

li ion 18650 battery 2000mah 3.7 v rechargeable battery

Specification

 Details
Model Apsenx-18650-2000mAh
Cell Voltage 3.7V
Battery Pack Voltage 3.7V
Voltage Range 2.5V – 4.2V
Cell Capacity 2000mAh
Battery Pack Capacity 2000mAh
Power 7.4Wh
Battery Pack Size 65 × 18 mm
Cycle Life >800 cycles

Apsenx 18650 Cylindrical Lithium Battery 2000mAh 3.7V

This 18650 cell is basically a solid, no-nonsense battery. The 2000mAh capacity is real—not inflated—and it holds up well in things like high-power flashlights, vapes, power tools, small logistics carts, and electric bikes.

It also keeps its charge nicely over time thanks to low self-discharge tech, so it won’t drain itself while sitting in storage. The internal structure is reinforced to handle heat and vibration, so it’s safe and built to take some rough use.

The size is standard, easy to drop into most devices, and you can recharge it over and over without weird performance drop-offs.

Apsenx has been making 18650s for years, and we can customize almost anything you need—capacity options, wires, connectors, even your own branding or packaging. If you want samples, bulk pricing, or a custom setup for your device, just reach out anytime.

FAQ

Can I get a bulk order of this 2000mAh 18650 battery?

Yeah, we supply in large quantities. Works for flashlights, small e-bikes, tools, you name it.

What devices will this battery fit?

Flashlights, vapes, small power tools, electric carts, e-bikes — anything that runs on 3.7V.

How long does it last?

Over 800 charge cycles if used normally. Doesn’t drop performance fast.

Will it hold charge if I store it?

Yes, low self-discharge tech keeps it from losing juice while sitting.

Can I get it with protection boards or custom wires?

you can add protection boards, custom connectors, wires, tabs — whatever you need.

Do you do OEM or custom packaging?

Sure. Branding, wire length, packaging, even custom capacity if you need. Samples available too.

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