We did not stop the timer when we cleared out any hose blockages, but we ran the test with each vacuum at least twice. And because they’re powered with a battery, they embrace speed and portability. They don’t have the power of the larger models, but they do have enough for most smaller messes, and… Continue reading Hyper Tough 20V Lithium-Ion 2 0Ah Rechargeable Battery, HT21-401-003-10