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Casio Pro Trek PRG-340 vs Nitecore NB10000 Gen4
Weight and specs compared for 2026 — and which one to choose.
Casio Pro Trek PRG-340 is the lighter option — 82 g lighter than the Nitecore NB10000 Gen4 (55% less weight). If grams matter to you, that is the one to beat.
Nitecore NB10000 Gen4
148 g
Carbon-fiber 10000mAh power bank with knock-to-wake, glowing ports and best-in-class efficiency per gram.
Check price Full details →Casio Pro Trek PRG-340 vs Nitecore NB10000 Gen4: which should you buy?
If saving weight is your priority, the Casio Pro Trek PRG-340 wins — at 66 g it is 82 g (55%) lighter than the Nitecore NB10000 Gen4 (148 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.