High Efficiency 4W Solar Charger with 5V Output – Ideal for Outdoor & Off-Grid Power

Lightweight yet durable monocrystalline solar panel delivers stable 4W output, optimized for fast charging small devices. Precision-engineered with a waterproof ETFE coating and anti-reflective glass for 25% higher efficiency than standard panels.

Built-in advanced PWM controller prevents overcharging, compatible with LiFePO4 and lead-acid batteries. Features a universal DC5521 port for camping lights, trail cameras, or farm sensors.

Ultra-portable design (foldable) with reinforced stitching, ideal for hiking, RV trips, or remote agricultural monitoring. Includes corrosion-resistant aluminum mounting grommets for permanent outdoor installation.

Direct wholesale pricing – bulk orders available for resellers and eco-project distributors. Ships globally with volume discounts.