Auto-Empty System Battery Pack
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BU3521, BU3120, BU3523 (Because of generational update to BU3120 please remove the battery pack and check the rating voltage and battery pack model number. If the rating voltage is 18V or the battery pack model is XBATR525SL or BATR525SLN, then XBTR625KSLN is NOT compatible. If the rating voltage is 21.6V or the battery pack model is XBTR625KSLN, then XBTR625KSLN IS compatible.)
Free shipping on all orders of $99 or more. Orders of less than $99 may be subject to a $10 shipping fee. The estimated delivery time is between 4–6 business days.
Free shipping on all CO2 canisters and refill boxes. Free shipping on Ninja Thirsti™ Flavored Water Drops $30 or more.
Note: Thirsti™ devices, flavors, CO2 canisters, Ninja™ FlexFlame™ Outdoor Cooking System, and Shark™ CryoGlow™ Cooling + LED Face Mask cannot be shipped to Canada, Hawaii, Alaska, Puerto Rico, or Guam.
- Hawaii & Alaska: Orders shipped are subject to a $100 surcharge.
- Puerto Rico & Guam: Orders shipped are subject to a $175 surcharge.
- Canada: We're sorry, but we no longer ship to Canada from this site. Please visit our Canadian store for local shipping options.
Items that come in bundles will be delivered in multiple shipments. A separate email will be sent for each tracking number.
SharkNinja offers a 60-day money back guarantee or a 90-day money back guarantee on purchases for select products. The applicable money back guarantee will be stated with your order.
Exclusions: Money back guarantees are not available on Ninja CO2 canisters, refill boxes, Ninja Thirsti™ Flavored Water Drops, or FlexFlame Outdoor Cooking System.