Part Number:94c5naiysr-11 Package Dimensions:14 x 8 x 4 cm Size:40A 1. Fast Charging: Equipped with dual USB, Type c ports, support fast charging protocol, ensure faster mobile phones, power banks charging. 2. Wiring Free: Support DC5521 interface directly into the controller, eliminating wiring trouble, making your solar control easier. 3. Safety Protection: Support protection agaist battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit. 4. Automatic Identification: 12V 24V acid, lithium battery pack, lithium iron battery are applicable, can be automatically identified and manually adjusted. 5. Applicable: Support photovoltaic panels to directly drive solar controllers, solar panels, etc., USB 5V output, strong practicality. Specification: Item Type: Solar Charge Controller Material: ABS Weight: Approx. 122g/0.27lb Output: 5V Output Mode: USB Working Temperature: -35C+60C Scope of Application: Solar panels How to Use: 1. This controller is 12V 24V automatic adaptation, when installing for the first time, please make sure that the battery has enough voltage so that the controller can identify the correct battery type.2. Install the controller as close to the battery as possible to avoid voltage drop caused by too long wires and affect normal voltage judgment.3. This controller is only suitable for all kinds of acid batteries (including openings, , colloids, etc.), please do not use in other batteries (including lithium batteries, metal hydride batteries, etc.).4. This controller can only use photovoltaic panels as a charging source, please do not use DC or other power sources as charging sources.5. This controller will heat up when running, please pay attention to install the controller on a flat, well ventilated surface. Package List: 1 xSolar Charge Controller 1 x Manual Wiring Free: Support DC5521 interface directly into the controller, eliminating wiring trouble, making your solar control easier. Fast Charging: Equipped with dual USB, Type c ports, support fast charging protocol, ensure faster mobile phones, power banks charging. Safety Protection: Support protection agaist battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit. Automatic Identification: 12V 24V acid, lithium battery pack, lithium iron battery are applicable, can be automatically identified and manually adjusted. Applicable: Support photovoltaic panels to directly drive solar controllers, solar panels, etc., USB 5V output, strong practicality. See more product details Wiring Free: Support DC5521 interface directly into the controller, eliminating wiring trouble, making your solar control easier. Fast Charging: Equipped with dual USB, Type c ports, support fast charging protocol, ensure faster mobile phones, power banks charging. Safety Protection: Support protection agaist battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit. Automatic Identification: 12V 24V acid, lithium battery pack, lithium iron battery are applicable, can be automatically identified and manually adjusted. Applicable: Support photovoltaic panels to directly drive solar controllers, solar panels, etc., USB 5V output, strong practicality.