ARB-L18-4000 High-Capacity 18650 Battery — Power That Keeps Up With Your Night

Power that doesn’t bail on you when the rain starts and the trail goes silent. Meet the ARB-L18-4000, a high-capacity 18650 battery built for Fenix flashlights and Life, Adventure-Ready moments alike. AXG Life approved: reliable juice for the dark, no drama required.

Who it’s for: explorers, flashlight dorks, and kit builders who demand dependable performance without babysitting their power supply. Why it matters: a robust 4000mAh capacity plus smart safeguards means fewer mid-quest battery swaps and more time telling stories around the campfire—or whatever you do when the sun dips below the ridge.

Note: Lithium-ion batteries are considered dangerous goods for US transport and are typically shipped by ground. Orders with loose batteries can take longer to deliver, often 14+ days. Plan accordingly so the night doesn’t surprise you empty-handed.

Key Features & Design

• 18650 form factor with a button-top design, ready to slide into a wide range of Fenix flashlights.
• High-capacity 4000mAh rating for extended runtimes between charges.
• Rechargeable lithium-ion cell, designed for repeated use without the disposable-battery guilt.
• Built-in safeguards including short-circuit prevention and multiple protective layers for peace of mind on the trail.
• Packaged and priced as a single battery for straightforward stocking and shipping.

Performance / Benefits

When the night grows long, this battery keeps your flashlight doing the heavy lifting. The 4000mAh capacity helps turn long evenings into reliable light. With short-circuit protection and layered safety design, you’ll feel confident pushing into questionable decisions and midnight trail runs—AXG’s way of turning potential hero moments into actual stories.

Built for Life, Adventure-Ready routines, it pairs with a broad range of Fenix LED flashlights, ensuring your lumen needs aren’t left in the dark. Reusable and rechargeable, it’s a practical choice for those who prefer fewer wasteful disposables and more bright, dependable nights in the backcountry.

Closing CTA

Pop this battery into your pack and keep the night glow alive—life, adventure-ready with AXG flair.