Pros
- Huge 5000 mAh battery for many sessions.
- Water pipe compatible.
- Pass-through charging available.
- Wide temp range 50-220C.
- Just 191 g weight.
Cons
- Conduction only.
- 24 s heat-up time.
- No app control.
Katalyzer Weha — Price Comparison (7 shops) 79.00 €–165.68 €
Last updated: 23/09/2026, 9:14 AM
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Specifications
| Specifications | |
|---|---|
| Heating Method | Conduction |
| Device Type | Portable |
| Brand | Katalyzer |
| Power Source | Battery |
| Temperature Range | 50°C - 220°C |
| Heat-up Time | 24 seconds |
| Battery Capacity | 5000 mAh |
| Weight | 191 g |
| Warranty | 2 years |
| Water Pipe Compatible | View water pipe adapters |
| Session Mode | Session |
| Temperature Control | Digital |
| Material | Dry Herb & Concentrates |
| Vapor Path | Glass |
| Battery Type | Internal |
| Replaceable Battery | No |
| Passthrough Charging | Yes |
| Charging Port | usb-c |
Source: VerdampftNochMalRetailer · Verified 18.02.2026
About this vaporizer
The Katalyzer Weha is a portable conduction vaporizer built around an unusually large 5000mAh battery. That capacity puts it in tablet territory, not the typical vaporizer range, and the practical consequence is extended runtime that most portables can't match. Several days of normal use before needing to charge is a realistic expectation. The temperature range of 50 to 220°C is wider than most competitors, which allows genuine fine-tuning of aroma profiles and extraction levels at both the low and high ends of the range. At around 24 seconds, the heat-up time is impressively quick given the battery size. Passthrough charging is supported, so you can use the Weha while plugged in. The water pipe adapter adds a dimension that changes how the vapor feels considerably — cooler, smoother, and easier on the throat for longer sessions. Dosing capsules are also included. Katalyzer is a brand with less visibility than some established names, but the Weha makes a serious argument on specs and features. Two years of warranty is a reassuring commitment. The audience for the Weha is someone who vapes frequently and genuinely values range over everything else — travelers, festival attendees, or simply users who dislike the cycle of constant charging that smaller battery devices require. The combination of broad temperature range, large battery, water pipe compatibility, and passthrough charging covers most use cases comfortably. For the right user, this is a very well-rounded tool.
- Huge 5000 mAh battery for many sessions.
- Water pipe compatible.
- Pass-through charging available.
- Wide temp range 50-220C.
- Just 191 g weight.
- Conduction only.
- 24 s heat-up time.
- No app control.
The sealed battery holds 5,000 mAh and charges via USB-C.
Katalyzer is a French manufacturer that sells the Weha through retailers in France and across Europe. With verified shops in the price comparison, the Weha is well available.
See also: Katalyzer Mini · Katalyzer Dabalyzer · Katalyzer Dab Cup · Vital V.A.P.
Two Bowls in Rotation: Glass and Ceramic
The core feature of the Weha is its two interchangeable bowls. One is glass, the other ceramic; both can be swapped while the device is running. While one bowl sits in the chamber, the second can be filled, cooled down or cleaned – two sessions back to back without waiting.
Glass is considered flavor-neutral and shows residue right away; ceramic holds heat a little longer and is less fragile. According to Katalyzer the Weha vaporizes herbs and resins equally well; for resins the ceramic bowl and the upper end of the temperature range are the better choice.
Research context: A study in the Journal of Pharmaceutical Sciences (Hazekamp et al., 2006) showed that vaporization at controlled temperatures releases over 95% of target compounds while largely avoiding combustion by-products. Source: PubMed 16637053
Conduction Heating: 50–220 °C in 24 Seconds
The Weha heats mainly by conduction: the bowl is warmed from the outside and passes the heat to the material. Katalyzer describes the heating as "hybride, portée conduction", meaning a convection share from the airflow as you draw. The temperature can be set to the degree between 50 and 220 °C and is shown on the OLED display.
Heat-up takes about 24 seconds. Recommended ranges:
| Range | Temperature | Character |
|---|---|---|
| Low | 160–180 °C | Terpene-rich, light vapor |
| Mid | 181–200 °C | Balanced, good vapor production |
| High | 201–220 °C | Dense vapor, resins |
With conduction, grind matters: medium-fine and medium-packed gives the most even extraction. The Weha is water pipe compatible.
Build: Aluminum, Glass, Ceramic – 191 g
The housing is anodized aluminum; the vapor path uses glass, ceramic, silicone and PEEK. At 10.8 × 5.4 × 2.8 cm and 191 g the Weha sits well in the hand but is no lightweight – the large battery has its price.
In the box: Weha, two bowls, two glass mouthpieces, stirring tool, brush, USB-C cable, fabric pouch and a rigid carrying case with a bilingual manual.
Battery: 5,000 mAh for Several Days
With 5,000 mAh the Weha has one of the largest batteries among portable vaporizers. With normal use a charge lasts several days; it charges via USB-C and can be used while charging. The battery is sealed and not user-replaceable.
Comparison with typical portables:
| Feature | Katalyzer Weha | Typical conduction portable |
|---|---|---|
| Battery | 5,000 mAh, sealed | 1,600–3,000 mAh |
| Chamber | 2 bowls, glass + ceramic, interchangeable | 1 chamber, fixed |
| Temperature | 50–220 °C, to the degree | often 160–230 °C |
| Weight | 191 g | 100–200 g |
Anyone who values long runtime and the bowl swap will find the Weha a distinctive option. The price comparison shows the best deal.
Official Resources
Similar Vaporizers 6
Spec comparison
| Weha | Katalyzer Mini | |
|---|---|---|
| Type | Portable | Portable |
| Heating | Conduction | Conduction |
| Temperature | 50°C - 220°C | 220°C |
| Heat-up time | 24s | 25s |
| Battery | 5000 mAh | 1300 mAh |
| Price from | N/A | N/A |
| Weha | Katalyzer Vapter | |
|---|---|---|
| Type | Portable | Portable |
| Heating | Conduction | N/A |
| Temperature | 50°C - 220°C | 200°C - 220°C |
| Heat-up time | 24s | N/A |
| Battery | 5000 mAh | 1000 mAh |
| Price from | N/A | N/A |
Compatible Accessories
Adapters
9
Replacement Parts
1Other Accessories
2A cylindrical desktop vaporizer that stays plugged in and is always ready. Compact, efficient, on-demand operation.
Via an analog dial on the device. No digital display -- set by feel and experience.
Yes, with a suitable glass adapter. Various glass attachments are available as accessories.
Solid hardwood (e.g. walnut, cherry, oak). The species varies -- each unit is unique.
Very efficient. The conduction chamber heats up in about 24 seconds, the glass vapour path keeps the flavour clean, and the dual glass and ceramic chamber takes herbs as well as resins.
No. Log vaporizers are designed to stay on continuously. Turn off manually when not in use.










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