These A4 gas cartridges from Bright Spark are a pack of four Butane Battery A4 valve cartridges for portable gas appliances. Each cartridge contains 220 g of butane, providing a total gas fill of 880 g in the pack.
The cartridges are designed for the Bright Spark BS100 portable gas stove and serve as replacement cartridges for the gas stove with item no. 50.275.05. The A4 cartridge features an aerosol/bayonet connection and a positioning notch in the collar, which must be aligned with the appliance's safety tab during installation.
Each cartridge has a nominal container capacity of 0.396 liters and measures 173 mm in height and 65 mm in diameter. The cartridges are non-refillable and must be used as single-use containers for compatible portable gas stoves, kitchen torches, and gas burners that explicitly require Butane Battery A4.
The gas cartridges are classified as extremely flammable aerosol and contain gas under pressure. They must be protected from sunlight and must not be exposed to temperatures exceeding 50 °C. Keep the cartridges away from heat, sparks, open flames, and hot surfaces, and do not pierce or burn them, even after use.
Always check that the appliance is intended for A4 cartridges before installing the cartridge. The cartridge must be empty before disposal.
Key featuresButane Battery A4 valve cartridges
For Bright Spark BS100 portable gas stove
220 g butane per cartridge
Total gas fill: 880 g
Aerosol/bayonet connection
Non-refillable single-use cartridges
4 cartridges per pack
Cartridge dimensions: 173 × Ø65 mm
