For Dreame L20 Ultra Series Robot Vacuum Cleaners
This manual provides essential information for the safe and efficient use of your RDSJ 6800mAh replacement battery. Please read thoroughly before installation and operation.
The battery is designed with built-in over-temperature protection, overheating protection, and anti-overcharge features to ensure safety and longevity.

Image: Product parameters showing 14.4V voltage and 6800mAh/80.64Wh capacity.
This replacement battery is compatible with the following Dreame robot vacuum cleaner models:

Image: Various Dreame robot vacuum models shown to illustrate compatibility.
Before installing the new battery, ensure your robot vacuum cleaner is powered off and disconnected from its charging dock.

Image: The RDSJ 6800mAh replacement battery, showing its connector for installation.

Image: A close-up view of the battery's connector, highlighting its design for proper fit.
The RDSJ 6800mAh battery provides extended operating time for your robot vacuum. Lithium batteries offer fast charging capabilities, reducing downtime.

Image: A robot vacuum cleaning, illustrating the long running time provided by the 6800mAh Li-ion battery.
Proper maintenance ensures the longevity and safety of your battery.

Image: Icons representing multiple protection features: Over-Charge, Over-Discharge, Over-Voltage, Over-Current, Over-Temperature, and Short-Circuit Protection.
If you encounter issues with your replacement battery, consider the following:
If problems persist, consult your robot vacuum's original user manual or contact customer support.
| Feature | Detail |
|---|---|
| Battery Type | Li-ion |
| Voltage | 14.4V / 14.8V |
| Capacity | 6800mAh / 97.92Wh |
| Cells | 8-cell |
| Item Weight | 13.4 ounces |
| Package Dimensions | 5.9 x 1.96 x 1.96 inches |
| Manufacturer | Shenzhen Banhui Technology Co., Ltd. |
| Model Number | L20 Ultra (referring to compatible vacuum model) |
| P/N | P2150-4S2P-KLYEV |
| Product ID (from image) | P20082101050054801TW1 |
Information regarding specific warranty terms and customer support contacts for this RDSJ replacement battery was not provided in the product data. Please refer to the product packaging or the seller's information on the purchase platform for details on warranty coverage and how to obtain support.
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