Terms of use

Wattstanding provides planning information for general reference. Specifications, prices and availability are the makers' and sellers' and can change without notice; confirm them with the seller before you buy.

Runtime, recharge and sizing calculations are estimates that depend on stated assumptions and typical appliance values. They are not installation specifications and not a guarantee of how any product will perform in your home. Electrical, gas-fuel and structural work should be done by qualified, licensed professionals.

Wattstanding does not provide medical advice and cannot say whether any product is suitable as backup power for medical equipment. Ask the device maker and your prescriber.

Product names, logos and images belong to their owners and are used to identify products. Nothing on this site is an endorsement by any manufacturer or retailer.

Wattstanding is not liable for decisions made on the basis of this information. Use of the site means you accept these terms.