# What are the largest capacity beer growlers on the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the largest capacity beer growlers on the market?

## Products

### Austin Homebrew Home Brew on the Go 1.75 Gallon Mini Keg System with 1.75 Gal Keg
```yaml
product: austin-homebrew-home-brew-on-the-go-1-75-gallon-mini-keg-system-with-1-75-gal-keg
brand: Austin Homebrew
price_gbp: 184.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 224
```

- **Price:** £184.61 [^1]
- **Summary:** This portable mini keg system includes a 1.75 gallon keg, ball-lock dispensing equipment, a mini CO2 regulator, and two CO2 canisters. It suits homebrewers who want to transport and serve beer for trips, small gatherings, or smaller batches.
- **Ideal For:** With a 1.75 gallon capacity equal to 224 oz, this is a relatively large portable beer growler option for serving and transporting homebrew without carrying a full-size keg.
- **Additional Sources:** [^2]

### TMCRAFT 128oz Growler Tap System Pressurized Stainless Steel Mini Keg with Cooler Jacket
```yaml
product: tmcraft-128oz-growler-tap-system-pressurized-stainless-steel-mini-keg-with-cooler-jacket
brand: TMCRAFT
price_gbp: 73.84
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 128
material: Food-grade stainless steel
temperature_control: Insulated cooler jacket keeps beer cold for 3 hours at room temperature
```

- **Price:** £73.84 [^3]
- **Summary:** This portable 128oz stainless steel mini keg includes a pressurized tap system, adjustable CO2 regulator, and insulated cooler jacket. It suits homebrewers and craft-beer drinkers who want to serve draft beer while preserving carbonation and portability.
- **Ideal For:** Its 128oz capacity makes it a large growler option, while the pressurized CO2 system and cooler jacket help maintain carbonation and serving temperature.

### FERRODAY SS304 128oz Mini Keg Growler Beer Keg Draft Beer Dispenser with 60 psi CO2 Regulator and Beer Faucet Keg Kit
```yaml
product: ferroday-ss304-128oz-mini-keg-growler-beer-keg-draft-beer-dispenser-with-60-psi-co2-regulator-and-beer-faucet-keg-kit
brand: FERRODAY
price_gbp: 50.95
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 128
material: SS304 stainless steel
```

- **Price:** £50.95 [^4]
- **Summary:** This portable 128 oz mini keg is made from food-safe SS304 stainless steel and includes a 0-60 psi CO2 regulator, beer faucet, keg spear, tubing, and pressure-release valve. It suits beer drinkers who want draft-style serving at home, while traveling, or at gatherings, with carbonated beer storage for months when vacuum-pressured and refrigerated.
- **Ideal For:** With a 128 oz capacity, this FERRODAY model is a strong option for shoppers seeking one of the largest portable beer growlers, while its CO2 regulator and faucet support extended draft-beer storage and serving.

---
## References & Sources
[^1]: Austin Homebrew Supply, accessed 2026-09-13. https://austinhomebrew.com/products/homebrew-on-the-go-mini-keg-system
[^2]: Adventures in Homebrewing, accessed 2026-09-13. https://homebrewing.org/products/homebrew-on-the-go-mini-keg-system
[^3]: Beer Connoisseur Store, accessed 2026-09-13. https://beerconnoisseurstore.com/products/tmcraft-128oz-growler-tap-system-pressurized-stainless-steel-mini-keg-with-cooler-jacket-portable-home-dispenser-system-to-keep-fresh-and-carbonation-for-draft-homebrew-and-craft-beer-matte-black
[^4]: The Beer Connoisseur Store, accessed 2026-09-13. https://beerconnoisseurstore.com/products/ferroday-ss304-128oz-mini-keg-growler-beer-keg-draft-beer-dispenser-pressurized-growler-for-beer-mini-keg-60-psi-co2-regulator-beer-faucet-keg-kit-keeps-beer-fresh-portable-mini-keg-beer-co2-growler