•Easy to Use: The solar panel will charge automatically in the daytime. Where is the sun, there is electricity •Full Safety Protections: Built-in multiple protections including over-charge, over-discharge, over-voltage, over-current and more, the battery is fully protected, ensuring charging safety •Wide Compatibility: Suitable for charging a car, automotive, marine, RV, power sport, boat, dump trailer, gate opener, fence and deep-cycle batteries, etc •Waterproof Design: No worry about water or rain entering inside to damage the solar panel •Lightweight and Compact: Light in weight, simple installation, very convenient to carry to outdoor mountains, grasslands, etc. for power generation and charging Specification: •Material: PET •Crystalline material: polycrystalline silicon •Waterproof grade: IP65 •Maximum power: 10W •Working voltage: 12V •Open circuit voltage: 13.8V •Maximum current: 0.8A •Short circuit current: 1.2A •Product size: 334*203*16mm •Battery clamp extension line length: 3m •SLA battery voltage: 12V •Temperature coefficient Isc: (010+/- 0.01) %/℃ •Voc temperature coefficient: - (0.38 +/-0.01) %/℃ •Power Voc temperature coefficient: -0.47%/℃ •Temperature range: -40℃ to +80℃ Compatible with: •Universal Models Package included: •1 x Solar Panel •1 x Controller •1 x English User Manual •1 x Cable •Other things not included