Power That Outlasts Your Adventure Plans

When your light is your lifeline, you want a battery that can keep up without drama. The ARB-L21-5000 V2 is a 21700 rechargeable cell built for extended runtime and higher lumen potential, with protective circuits inside the anode and up to 500 charging cycles. AXG Life: Life, Adventure-Ready power you can trust when the trail goes dark and your jokes get louder.

Key Features & Design

• Size and format: 21700 rechargeable Li-ion battery designed for high-drain devices.
• Capacity: up to 5000 mAh for long runtimes between charges.
• Protection: protective circuits inside the anode and three sets of overheat protection—pressure relief, microporous, and PTC cathodal block.
• Charging cycles: up to 500 charging cycles before performance considerations arise.
• Charging compatibility: works with ARE-A2, ARE-A4, ARE-D1, or ARE-D2 chargers.
• Direct charging: note that this battery does not have a USB port for direct charging.
• Shipping note: Lithium ion batteries are considered “dangerous goods” and are typically transported by ground. Orders with loose batteries may take longer—14+ days is not unusual.

Performance / Benefits

This battery turns long nights into survivable ones by delivering reliable power for high-lumen flashlights and other gear that chews through juice. It’s built for midnight trail runs and questionable decisions, keeping your light on when you need it most and your curiosity alive. With AXG Life, you get Life, Adventure-Ready energy you can depend on when the wind picks up and your map goes rogue.

Closing CTA

Toss this spare into your gear bag and turn dim evenings into legendary campfire stories. Add to cart and keep the night bright, even when the trail decides to test you.