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Flextail Zero Power 5k vs Garmin Xero C1 Pro Chronograph

Weight and specs compared for 2026 — and which one to choose.

Garmin Xero C1 Pro Chronograph is the lighter option — 25 g lighter than the Flextail Zero Power 5k (29% less weight). If grams matter to you, that is the one to beat.
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Spec Flextail Zero Power 5k Garmin Xero C1 Pro Chronograph
Weight 85 g · 0.085 kg · 0.19 lb 60 g · 0.060 kg · 0.13 lb
Brand Flextail Garmin
Category Electronics Electronics
Flextail Zero Power 5k
85 g

Lightweight USB-C power bank with dual ports. At 85g, it's the lightest UL battery pack on the market.

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Garmin Xero C1 Pro Chronograph
60 g

Compact digital chronograph for precise timing.

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Flextail Zero Power 5k vs Garmin Xero C1 Pro Chronograph: which should you buy?

If saving weight is your priority, the Garmin Xero C1 Pro Chronograph wins — at 60 g it is 25 g (29%) lighter than the Flextail Zero Power 5k (85 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest electronics page, or browse the full gear weight database.

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