18650 4000mAh 3.7V Rechargeable Lithium Battery (4 Pcs)

4PCS 18650 4000mAh 3.7V Rechargeable Lithium-Ion Batteries – High Performance & Long-Lasting

Power your devices with our 4PCS 18650 4000mAh 3.7V Lithium-Ion Rechargeable Batteries. Designed for LED flashlights, torches, laser pens, and other electronic gadgets, these batteries provide high capacity, reliable performance, and extended usage time.

Features:

🔋 High Capacity & Long Lifespan – 4000mAh capacity ensures long-lasting power and reduced recharging frequency.
⚡ Rechargeable & Cost-Effective – Supports multiple charge cycles, significantly lowering replacement costs.
🛡 Built-in Protection Circuit – Features short-circuit, over-current, and over-discharge protection for safe and stable performance.
🌱 Eco-Friendly & Safe – Non-toxic, leak-proof design ensures environmentally responsible usage.
💡 Versatile Use – Ideal for LED flashlights, laser pens, headlamps, cameras, toys, remote controls, and more.
❄ Stable Performance – Functions efficiently in various temperature conditions for consistent energy output.

Applications:

🔦 Flashlights & Torches – Powers LED flashlights, emergency torches, and headlamps.
🎮 Electronics & Gadgets – Compatible with laser pens, cameras, toys, remote controls, and more.
⚡ DIY Power Projects – Suitable for custom battery packs and electronic builds.
🚴 Outdoor & Travel Use – Reliable power source for camping, hiking, and adventure gear.

Benefits:

✔ Long-Lasting Power – 4000mAh high capacity supports extended use between charges.
✔ Safe & Reliable – Equipped with protection circuitry to prevent overheating and overcharging.
✔ Cost-Effective – Rechargeable design minimizes waste and battery expenses.
✔ Universal Compatibility – Fits most devices using 18650 Li-ion batteries.
✔ Lightweight & Portable – Easy to carry and store for convenience on the go.

Specifications:

• Battery Type: 18650 Rechargeable Li-ion
• Voltage: 3.7V
• Capacity: 4000mAh
• Color: Black
• Battery Chemistry: Lithium-Ion (Li-ion)
• Protection: Short-Circuit, Overcharge, Over-Discharge, and Over-Current Protection

Package Includes:

4 x 18650 4000mAh 3.7V Lithium-Ion Rechargeable Batteries

Note: These batteries are flat top. Please ensure they are not button top.

Power up your devices with the high-performance 18650 rechargeable batteries – safe, long-lasting, and reliable!

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.