Work · alternatives · 2026
24 alternatives to Estream: A portable water power generator fits into backpack
Estream converts any type of moving water into stored energy
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Estream: A portable water power generator fits into backpack launched in 2016; newer entries below may have overtaken it.
- 1
Charge your mobile devices with water energy.
2016 · its alternatives →
- 2
Converts water into stored energy.
2016 · its alternatives →
- 3
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Offline water tracker with a private AI hydration coach
Mar 2026 · locikit.com · its alternatives →
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- 10OS
2016 · openawg.github.io · its alternatives →
- 11
A battery that can charge your laptop 10 times over
2017 · its alternatives →
- 12
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- 15
- 16
Orison, a plug-and-play home energy storage device
2016 · its alternatives →
- 17
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A smart water tracker that adapts to your daily activity
2020 · its alternatives →
- 20
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- 23
2021 · cselab.github.io · its alternatives →
- 24
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →