These are probably best used with both hands. But they are still lighter than the full sized ones you see in offices. They provide a much longer burst than the hand held ones.

UltraFire UFXALPHA 600g Fire Extinguisher for Cars, Caravans, Boats & Travel – 5 Year Warranty
5.0

Smartwares Powder extinguisher - 2 kg - for ABC fires - Suitable for vehicles & homes - With mounting bracket
5.0