The (often branded as XY-CD63 or XY-CD63L) is an indispensable, budget-friendly digital battery management module. It works as a smart switch based on voltage thresholds, allowing users to define strict operating ranges for charging (IN mode) and discharging (OUT mode) systems. 1. Features and Specifications

This guide is intended as a quick reference. Always follow the specific wiring diagrams provided by your seller on sites like AliExpress or Amazon .

LCD screen showing voltage, percentage (calculated as

Understanding these two modes is key to unlocking the module's full potential.

The hardware capabilities dictate the safe threshold limits of your systems: Specification DC 6V to 60V Control Precision Operating Current Maximum Load Capacity Up to 10A / 30A (Check variant relay limit) Compatible Battery Types Lead-Acid, Lithium-Ion, LiFePO4, AGM Physical Dimensions 79mm x 43mm x 27mm Wiring Configurations and Modes Go to product viewer dialog for this item.

, though it is always recommended to refer to the specific physical manual included with your unit for precise wiring diagrams. or a list of UART serial commands for this module?

Long press the SET button to enter the parameter setting menu. Key Parameters

30A (Requires thick wiring for high currents). Voltage Precision: 0.1V. Display: HD LCD Screen with Real-time Voltage and Status.

| Battery Type / Voltage | Upper Limit (UP, overcharge) | Lower Limit (dn, cut‑off) | | :--------------------- | :--------------------------- | :------------------------- | | 12V Lead‑Acid (AGM/GEL) | 14.4 V – 14.7 V | 10.5 V – 11.0 V | | 12V LiFePO₄ | 14.4 V – 14.6 V | 10.0 V – 11.0 V | | 24V Lead‑Acid | 28.8 V – 29.4 V | 21.0 V – 22.0 V | | 48V Lead‑Acid | 57.6 V – 58.8 V | 42.0 V – 44.0 V |

The delay time before the relay activates (0-999 seconds). FOP (Force Open): Used to toggle continuous load output. Mode Switching (Charge vs. Discharge) Long-press the UP button for 5 seconds to switch modes.