Flextail Zero Power

The Flextail Zero Power is an exceptionally thin, durable, and lightweight power bank designed for demanding outdoor activities, trail running, and travel. Crafted with high-performance forged carbon fiber, it weighs just 145 grams and is less than a centimeter thick—making it lighter than most smartphones and a perfect fit for a running vest or jacket pocket.

Features and Specifications:

• Size and Weight: Ultra-slim dimensions of 122 × 59.5 × 9.9 mm (about 55% smaller than standard chargers in this class) and weighing just 145 g.
• Materials: Shell made from Forged Carbon Fiber and frame made from aerospace-grade nylon reinforced with fiberglass and added flame retardant.
• Battery and Capacity: 10,000 mAh (38.7 Wh) total battery capacity. High-density cobalt battery and a smart SoC chip deliver reliable performance even in cold conditions (up to 30% less power loss in freezing temperatures).
• Rated Capacity: Efficient Mode (5 V / 1 A): 7,000 mAh | Fast Charging Mode (12 V / 1.67 A): 5,200 mAh
• Smart Efficiency Mode: Delivers up to 30% more usable energy through optimized charging (charges an iPhone 15 Pro up to 2.6 times). Indicator light turns 🟠 orange.
• Fast Charging: Maximum output power of 22.5 W (5V/3A, 9V/2.22A, 12V/1.67A, 10V/2.25A)—powers a smartphone battery to 50% in just 26 minutes. Indicator light turns 🟢 green.
• Input Power: Max 18 W (5V/3A, 9V/2A, 12V/1.5A).
• Ports and Durability: 2 × bidirectional USB-C ports. Tested by Flextail Labs to withstand over 40,000 plug/unplug cycles.
• Auto-Stop Safeguard: Automatically reserves the last 10% of battery for emergencies (providing up to 30% phone charge for emergency calls, GPS fixes, or headlamp use).
• Weather and Wear Resistance: IPX4 water-resistant rating, recessed power button (prevents accidental activation in pockets or packs), and an included USB-C lanyard cable.