Part Number:ahy3q5rvm2-12 Package Dimensions:14 x 8 x 4 cm Size:80A 1. Support Fast Charging: Dual USB, Type C are supported by fast charging protocol, so that cell phones, rechargeable batteries faster charging. 2. DC5521 Interface: Solar charge controller's DC5521 interface directly accesses the controller, eliminating wiring troubles. 3. Safety Protection: Solar charge controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection 4. Universal to Use: 12V 4V lithium ion battery pack, LFP battery pack universal, can automatically identify, can also be manually adjusted. 5. PV Panel Direct Drive: This product can use PV panel to drive the solar controller directly. Specification: Item Type: Solar Charge Controller Material: ABS Weight: Approx. 120g/4.2oz USB Output: 5V Product Current: 70A 80A 100A Output Mode: USB Operating Temperature: -35+60 Scope of Application: Solar Panels, Etc. 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, well ventilated surface. PackageList: 1 x Solar Charge Controller 1 x Manual PV Panel Direct Drive: This product can use PV panel to drive the solar controller directly. DC5521 Interface: Solar charge controller's DC5521 interface directly accesses the controller, eliminating wiring troubles. Support Fast Charging: Dual USB, Type C are supported by fast charging protocol, so that cell phones, rechargeable batteries faster charging. Safety Protection: Solar charge controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection Universal to Use: 12V 4V lithium ion battery pack, LFP battery pack universal, can automatically identify, can also be manually adjusted. See more product details PV Panel Direct Drive: This product can use PV panel to drive the solar controller directly. DC5521 Interface: Solar charge controller's DC5521 interface directly accesses the controller, eliminating wiring troubles. Support Fast Charging: Dual USB, Type C are supported by fast charging protocol, so that cell phones, rechargeable batteries faster charging. Safety Protection: Solar charge controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection Universal to Use: 12V 4V lithium ion battery pack, LFP battery pack universal, can automatically identify, can also be manually adjusted.