Ultra Watermelon blends juicy watermelon flavour into the Ultra we love finished-off with a full load of our Monster Energy blend Monster Energy Ultra Watermelon 4x 500ml cans, zero sugar. Ultra has a fresh taste and doesn't taste like traditional energy drinks, but has the full Monster energy blend. - Monster Energy Watermelon, zero sugar. - Ultra has a refreshing taste and doesn't taste like traditional energy drinks and still has the full Monster energy blend. - Monster Ultra's lighter tasting flavour profile is a less sweet, carbonated energy drink that delivers refreshment, with 160mgs of Caffeine. - Monster Energy Ultra is great for any occasion. - Carbonated energy drink with taurine, ginseng, caffeine, L-carnitine and B vitamins. - In a convenient 4 x 500ml format. - Unleash the Ultra Beast! - Monster is… A Lifestyle in A Can Zero Sugar. Monster Energy Ultra Watermelon. Ultra has a refreshing taste and doesn't taste like traditional energy drinks and still has the full Monster energy blend. Fresh Flavour Energy / Monster Ultra's lighter tasting flavour profile is a less sweet, carbonated energy drink that delivers refreshment, with 160mgs of Caffeine. Monster Energy Ultra is great for any occasion. Unleash the Ultra Beast / Under the firework lit night sky, you've got your crush by your side. With good music and better friends, it's the best summer ever. Ultra Watermelon is summertime in a can so you can enjoy it anytime.  Zero sugar, easy-drinking refreshing flavor with the explosive Monster energy blend to light-up those hot summer nights. Unleash the Ultra Beast!