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Miele

Miele Duoflex Lithium-Ion Battery HX-LA 21

Miele Duoflex Lithium-Ion Battery HX-LA 21

$139.99 USD
$139.99 USD
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12519020
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Shipping Information

We offer free standard shipping on eligible orders of $100 or more within the 48 contiguous United States. Eligibility is calculated on the merchandise subtotal after discounts and before tax.

Most in-stock orders using standard shipping are processed within 1-5 business days, and most arrive 2-11 business days after they are placed. Backordered and special-order items may take longer. Expedited UPS Ground is available at checkout for an extra charge, including on orders that qualify for free standard shipping. See our Shipping Policy for details.

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Need to return an item? We’re happy to help. Eligible items may be returned by requesting authorization within 35 days of delivery. Once approved, your return must reach us within 21 days.

Return eligibility

Items must be unused, in new condition, and include their original packaging and all accessories. Machines that use water cannot be returned once unboxed, unless defective upon arrival.

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For non-defective returns, customers cover return shipping. Original shipping charges are nonrefundable. If your order included free shipping, our actual outbound shipping cost will be deducted from your refund. Eligible returns have no restocking fee.

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Warranty Information

All products sold by Vacuums and More come with the manufacturer's warranty. Warranty terms vary by brand and product.

With 35 years of industry experience, we stand behind every product we sell. Contact us for warranty support.

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Miele Duoflex Lithium-Ion B...

$139.99

Product details

Restore full cordless runtime to your Miele Duoflex HX1 with the genuine HX-LA 21 lithium-ion battery, Miele part number 12519020. Built around seven high-performance cells, this factory-original pack delivers up to 55 minutes of cleaning in PowerUnit solo mode on the MIN setting, and powers the motorized electrobrush for around 12 minutes on hard floors at the MAX level.

Rechargeable cells lose capacity over years of charge cycles, so swapping in a fresh genuine battery is the simplest way to bring back like-new endurance without replacing the entire vacuum. The pack clicks into place tool-free: release the depleted battery, snap in the new one, and recharge. Households with larger floor plans often keep a second HX-LA 21 on hand so one is always charging while the other is in use.

Why genuine matters: Miele tunes the cells, charge electronics, and thermal protection of part 12519020 specifically for the Duoflex platform. Aftermarket packs frequently misreport charge state and can stress the vacuum's electronics or charging contacts.

Compatible models:

  • Miele Duoflex HX1 (SQLL0 series)
  • Miele Duoflex HX1 Total Care
  • Miele Duoflex HX1 Cat & Dog
  • Miele Duoflex HX1 Extra
  • Miele Duoflex HX1 AllFloor

Part 12519020 ships from eVacuums and More, an authorized Miele dealer stocking only original Miele components.