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When Every Gram in Your Pack Actually Matters
When Every Gram in Your Pack Actually Matters
For hikers and other travelers who value a compact charger, the FLEXTAIL Zero Power 10,000C is a lightweight power-bank option. FLEXTAIL lists it at 145 g and 9.9 mm thick, with a stated battery capacity of 10,000mAh (38.7Wh).
Capacity and charging modes
The 10,000mAh figure is the battery's stated capacity, not the rated output capacity. FLEXTAIL lists rated capacities of 5,200mAh in standard mode and 7,000mAh in efficiency mode, under the stated test conditions. The company says efficiency mode provides up to 30% more usable energy than fast charging; that is a manufacturer claim, not a guaranteed result for every device or use.
The product supports output up to 22.5W. Actual charging speed depends on the connected device and conditions.
Designed for travel
FLEXTAIL describes the shell as forged carbon fiber and lists an IPX4 rating. IPX4 indicates splash resistance; it should not be treated as waterproof. The manufacturer also lists a USB-C lanyard cable among the product features.
At a glance
Model: ** FLEXTAIL Zero Power 10,000C
Battery capacity: ** 10,000mAh (38.7Wh), manufacturer specification
Rated output capacity: ** 5,200mAh standard / 7,000mAh efficiency mode
Weight and thickness: ** 145g; 9.9mm
Maximum output: ** 22.5W
Water rating: ** IPX4 splash resistance
Check device compatibility and the manufacturer's current product details before purchase.
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