Part Number:csuqnp1e2y-11 Package Dimensions:14 x 8 x 4 cm Size:10A 1. FAST CHARGING: Dual USB, Type C are supported by fast charging protocols, so that cell phones, rechargeable batteries faster charging. 2. DC5521 INTERFACE: Solar charge controller with dc5521 interface, direct access to the controller, eliminating wiring troubles. 3. PROTECTION: Solar controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. 4. UNIVERSAL DESIGN: 12/24V Li ion battery pack are universal, which can be automatically identified and manually adjusted. 5. PHOTOVOLTAIC PANEL: Solar panel battery regulator can use photovoltaic panel to drive solar controller directly. Specification: Item Type: Solar Charge Controller Material: ABS USB Output: 5V Output Mode: USB Working Temperature: 35 to +60 Scope of Application: Solar Panels, Etc. Gross Weight: 120g/4.2oz How to Use: 1. The controller is 12V/24V auto adaptation, please make sure the battery has enough voltage when you first install it so that the controller can recognize it as the correct battery type. 2. Install the controller as close to the battery as possible to avoid the voltage drop caused by the long wire, which will affect the normal voltage judgment. 3. The controller is only applicable to various batteries (including open, sealed, gel, etc.), please do not use it for other batteries (including lithium batteries, NiMH batteries, etc.). 4. This controller can only use photovoltaic panels as the charging source, please do not use DC or other power sources as the charging source. 5. The controller will be hot when running, please pay attention to install the controller on a flat, wellventilated surface. PackageList: 1 x Solar Charge Controller 1 x Instruction Manual PROTECTION: Solar controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. DC5521 INTERFACE: Solar charge controller with dc5521 interface, direct access to the controller, eliminating wiring troubles. FAST CHARGING: Dual USB, Type C are supported by fast charging protocols, so that cell phones, rechargeable batteries faster charging. PHOTOVOLTAIC PANEL: Solar panel battery regulator can use photovoltaic panel to drive solar controller directly. UNIVERSAL DESIGN: 12/24V Li ion battery pack are universal, which can be automatically identified and manually adjusted. See more product details PROTECTION: Solar controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. DC5521 INTERFACE: Solar charge controller with dc5521 interface, direct access to the controller, eliminating wiring troubles. FAST CHARGING: Dual USB, Type C are supported by fast charging protocols, so that cell phones, rechargeable batteries faster charging. PHOTOVOLTAIC PANEL: Solar panel battery regulator can use photovoltaic panel to drive solar controller directly. UNIVERSAL DESIGN: 12/24V Li ion battery pack are universal, which can be automatically identified and manually adjusted.