【High Efficiency】The 100 watt solar panels are constructive of 100% EL-tested Grade A+ Monocrystalline solar cells to ensure the highest power conversion efficiency and extended long lifespan. Utilization of advanced PERC cells to deliver an excellent cell efficiency of 22%..【Intelligent 20A MPPT Controller】Package included an intelligent 20amp MPPT solar charge controller which delivers high tracking efficiency of up to 99% and peak conversion efficiency of 98% and improved energy harvest by up to 30% compared to the PWM charge controller. 3 stages charging to ensure charging efficiency and safety..【Enhanced Performance】Advanced encapsulation material with multi-layered sheet laminations protects cells from physical damage and distortion, providing a long service life. Increase the cell receiving surface while reducing current and resistance loss with a thinner ribbon design..【Full Protections】The MPPT solar charge controller built-in multiple protections to safeguard your battery rapidly, efficiently and safely charged to 100%. It is compatible with multiple 12v/24v batteries like Deep Cycle Sealed (AGM), Gel, Flooded, Sealed, Lead-acid and Lifepo4 Lithium batteries..【Widely Application】Allto Solar 100 watt 12 volt solar panel kit includes all the necessary solar kits for building a new system. It is really great for off-grid application, car, RVs, cabins, boats, marines, shed, cabin, gate opener, gates, camping, and watering, work great for back-up power and remote power use..【Ready to Install 】 Pre-drilled holes on the back of the solar panels help fast and secure mounting. Really a ready to use 100w solar starter kit. Package includes 100 watts 12 Volt solar panel, 12V/24V mppt charge controller, one cable with terminal of MC4 for solar panel and one cable with terminal of M8 O-ring for battery charging connection, easy to fix and install.