- How long does the battery last?
- Up to about an hour on the lowest power level. Expect far less on boost, so a spare battery helps for whole-home cleans.
- Is it good for pet hair?
- Yes. Strong suction and the carpet-focused head make it a solid choice for pet hair, and the HEPA filter keeps dander out of the exhaust.
- Does it need to be wall mounted?
- No. It stands upright on its own base, so you can park it in a closet or corner without a wall dock.
- Can I buy a spare battery?
- The lithium-ion battery is removable, so you can swap in a charged pack to extend cleaning time.
- Is it too heavy for stairs?
- At 5.11 kg it is on the heavy side for a stick vacuum. Many owners keep a lighter handheld for stairs and overhead spots.
- Does it work on hard floors?
- Yes. It handles both carpet and hard floors, with three power levels to match the surface.
- Where is the Shark IZ840H Stratos Cordless Vacuum cheapest?
- At BuyDig.com, for $189.95, as of our latest check.
- Where can I buy the Shark IZ840H Stratos Cordless Vacuum?
- 6 stores we checked sell it, including Walmart, Beachcamera, BuyDig.com, Target, Reebelo USA.