Digital Low Voltage Protector Disconnect Switch Cut Off 12V Over-Discharge Product Details ?NOTE?This product is a voltage controller, which turns on and off the output through a relay, which only acts as a switch and cannot change the voltage. It's a protection switch module, not included batteries itself. ?OVER DISCHARGE PROTECTION?This battery controller provides a high degree of flexibility in terms of discharging modes and parameter settings. Users can easily set the parameter to disconnect the battery automatically when it reaches a preset voltage, thus preventing over-discharging and extending battery life. With its customizable parameters, this battery controller allows users to tailor their power management system to their specific needs and preferences. ?MEMORY FUNCTION?With power-off protection, it will save your settings in the event of an unexpected loss of power. This feature is crucial for electronic devices that require specific configurations, as it prevents the loss of critical data and allows you to resume work where you left off. ?DELAY TURN-ON?That means, after a disconnect, the interval between turning on again. The time range that can be set is 0-999 seconds ?PARAMETER?Board Size: 57 x 42 x 19mm/2.24 x 1.65 x 0.75inch(L*W*H); Input Voltage: DC 12-36V; Accuracy: 0.1V; Power Consumption: 1.5W; Maximum Amperage before Breaker Trips: 20A Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.