Jetboil Flash 1.0L Fast Boil System
Description
Description
The Flash is the system that made Jetboil's name, and the 2025 revision sharpens the details rather than reinventing it. Half a litre of water boils in around 120 seconds, and the colour-change heat indicator on the cozy tells you when it is there without lifting the lid. The 2025 model swaps the old push-button for a turn-and-click igniter that works like a home hob, adds a coloured grip zone for handling, and locks the cup to the burner at three points with visual indicators so you know it is seated.
Everything nests into the 1.0L FluxRing cup: burner, a 100g Jetpower canister and the stabilizer. The bottom cover doubles as a measuring cup and bowl. If you want the same system with a coffee press included, look at the Flash 1.0L Java Topo; for a smaller, lighter option see the Zip 0.8L.
Key Features
- 120 Second Boil - Half a litre boiled in around two minutes, averaged over the life of a Jetpower can
- FluxRing Heat Exchanger - Patented corrugated ring pulls far more heat into the cup and burns less gas
- Turn-And-Click Igniter - New for 2025, replacing the push-button piezo
- Thermochromatic Heat Indicator - Colour-change panel on the cozy shows when the water is boiling
- Three-Point Cup Lock - Improved pot-to-burner connection with visual seating indicators
- Packs Into Itself - Burner, 100g canister and stabilizer all nest inside the 1.0L cup
- Bottom Cover Doubles Up - Serves as a measuring cup and a bowl
Ideal For
- Backpacking And Wild Camping - Fast water for dehydrated meals and brews, minimal fuel carried
- Solo And Pairs - 1.0L cup sized for one to two people
- Bikepacking And Motorcycle Touring - Whole system packs into one compact cylinder
- Climbing And Alpine Starts - Boil, eat and move without a long stove faff
- Car Camping Brews - Quickest route to a hot drink at the trailhead
Technical Specifications
| Brand | Jetboil |
|---|---|
| MPN | FLMS3 (Mountain), FLOT3 (Ocean Topo), FLCBN3 (Carbon), FLDC3 (Dark Camo), FLCM3 (Duck Camo) |
| Capacity | 1.0 litre tall FluxRing cup |
| Weight | 371g (system, excluding fuel and stabilizer) |
| Packed Dimensions | 10.8cm x 19.05cm |
| Power | 5,300 BTU/h (1.5 kW) |
| Boil Time | 120 seconds per 0.5 litre |
| Water Boiled | 10 litres per 100g Jetpower canister |
| Ignition | Rotary turn-and-click |
| Fuel Regulator | No |
| Group Size | 1-2 people |
| Fuel Type | Jetpower (threaded isobutane/propane canister, sold separately) |
| Compatible Accessories | Silicone Coffee Press, Hanging Kit 2.0, Pot Support 2.0. With Pot Support 2.0 also takes the Summit Skillet and 1.5L Ceramic Cook Pot |
| Stabilizer Weight | 27g |
Gallery
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