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18650 2000mAh 3.7 Volt Lithium ion Battery
This 2000mAh battery delivers steady 3.7V power and can handle heat, vibration, and heavy use, so it works well for power tools, e-vehicles, or any device that needs a reliable battery. It holds charge over time thanks to low self-discharge and can be customized for capacity, voltage, wire length, connectors, or branding. Each battery is checked for safety and durability and can last through more than 800 charge cycles.
This is a 2000mAh battery that actually gives what it promises. Works with high-power flashlights, power banks, e-vaporizers, power tools, electric logistics vehicles, microcars, e-tools, and electric two-wheelers.
Holds its charge for a long time thanks to low self-discharge tech—so it doesn’t lose juice sitting on the shelf.
Built tough: handles high power, vibration, and heat without trouble.
Apsenx 3.7V 2000mAh 18650 battery delivers steady, reliable energy. Great for flashlights, laptops, portable power banks, or any device that needs consistent power for a while.
| 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 |
This battery is powerful and reliable. Small, cylindrical, easy to handle, fits most devices without trouble. It’s rechargeable too, so you can use it again and again—saving money and cutting down waste.
The 18650 2000mAh 3.7V battery works well for laptops, power tools, electric vehicles, and other devices that need steady, consistent power.
As a China-based manufacturer and supplier, we focus on making high-performance batteries. Every battery goes through strict quality control and uses good materials to make sure it meets or exceeds industry standards.
Whether it’s for personal gadgets or commercial projects, we can help you get exactly what you need. We also offer customization to match your specifications so the battery delivers the performance and value you expect.
If you grab your 18650 2000mAh 3.7V batteries from us, here’s the deal:
The batteries are solid, meet industry standards, and usually punch a little above their weight. Prices are fair, shipping’s quick, and you’ve got plenty of room to tweak things to your needs.
Need help? We’re around. Questions, guidance, or just double-checking something—we get it done, no long waits. We want you to actually use the batteries without headache.
Customization Options
Want a sample? Bulk order? Custom setup? Just shoot us a message. We’ll figure it out with you.
High-power flashlights, laptops, portable power banks, electric scooters, power tools, and more.
Over 800 charge cycles, maintaining over 80% of initial capacity with proper care.
Yes, low self-discharge design minimizes natural power loss during storage.
Absolutely. The battery is designed for high-temperature resistance and strong vibration scenarios.
Yes, we provide full customization including capacity, voltage, wires, connectors, and branding.
Purpose-built for reliability and safety, high-quality cells, strict QC, and long-lasting performance even under heavy use.

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