DeLonghi Colombina Evo Pro 21.6V Replacement Battery XLM409.TDC
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DeLonghi Colombina Evo Pro 21.6V Replacement Battery XLM409.TDC - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
DeLonghi Colombina Evo Pro 21.6V Replacement Battery XLM409.TDC - is backordered and will ship as soon as it is back in stock.
Voltage
21.6V
Amp
2000mAh
DeLonghi Colombina Evo Pro — 21.6V Li-ion Replacement Battery (XLM409.TDC)
This is a 21.6V 2000mAh Li-ion battery pack for the DeLonghi Colombina Evo Pro cordless stick vacuum and its related models. It fits the XLM353.ADC, XLM355.ADC, XLM403.GDC, and additional variants that share the same battery slot and voltage rail. Capacity is 2000mAh (43.2Wh), matching the original specification.
- Colombina Evo Pro series fit: These models share a common 21.6V architecture, connector format, and BMS handshake protocol. The battery communicates with the vacuum's control board to regulate discharge rate and trigger motor protection — the replacement cell carries the same BMS logic so the board recognises it without fault codes.
- Bench tested on actual hardware: We ran this pack through full charge and discharge cycles on the Colombina Evo Pro platform. The BMS responded correctly to motor load spikes, cut off cleanly at low-voltage threshold, and accepted charge without rejection from the dock charger.
- Dock charging practice for this vacuum: Do not leave the Colombina Evo Pro sitting on the charging dock between every use. Li-ion cells in this pack degrade faster under continuous trickle charge than under normal charge-and-remove cycles. Charge to full, then pull it off the dock.
Suction dropping before the battery indicator reaches low
The Colombina Evo Pro's motor draws significantly more current when airflow is restricted — a partially blocked filter can push draw well above the rated load. When current spikes, the BMS reduces output voltage to protect the cells, and the motor slows before the indicator has time to reflect the actual charge state. The battery gauge reads the resting voltage, not the loaded voltage under restriction. Clean the filter first — if suction recovers and holds, the battery is not the cause.
Motor cuts out mid-clean and then restarts after a few seconds
This is a BMS overcurrent trip, not a power failure. When the vacuum hits a blockage or runs over thick carpet with a clogged filter, current draw exceeds the BMS protection threshold and the pack shuts off the output rail. After a few seconds the BMS resets and the motor comes back. The fix is airflow — clear any blockage, check the filter, and confirm the dust container is not full. If the problem persists with a clean filter and clear path, measure the pack voltage under load; it should hold above 19V during normal operation.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: DeLonghi
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My Colombina Evo Pro seems to run out of power much faster than it used to — is the battery just worn out?
Capacity fade in Li-ion packs is accelerated by leaving the vacuum on the dock permanently between uses, which keeps the cells under continuous low-level charge stress. Before assuming the pack is dead, check the filter — a restricted filter makes the motor draw more current than rated, which burns through charge faster and mimics a worn battery. If the filter is clean and runtime is still noticeably shorter than when the vacuum was new, the original cell has likely lost usable capacity. Replace the pack and stop leaving it docked overnight when full.
The replacement battery won't charge — the dock light doesn't come on or just flashes and stops.
Some DeLonghi chargers perform a BMS handshake before starting the charge cycle — if the replacement pack's BMS doesn't respond within the expected window, the charger aborts. Seat the battery firmly in the dock and check that the contacts are clean and making solid connection. If the dock light still refuses to latch into a steady charge state, try a short power cycle: remove the battery, unplug the dock for 30 seconds, then reconnect both. This resets the charger's handshake sequence and usually allows the cycle to start.
The vacuum runs fine for a bit, then the motor suddenly cuts out and comes back on its own — what's happening?
That's the BMS tripping on overcurrent and then resetting once current drops back below the protection threshold. It typically happens when the vacuum hits a dense patch of carpet or encounters a partial blockage that spikes motor draw above what the pack's protection circuit allows. Check the dust container, filter, and brush roll for anything restricting airflow before assuming the battery is faulty. Clear the restriction and repeat the same pass — if the cutout doesn't return, airflow was the cause, not the pack.
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