High-Efficiency Solar & Crank Portable Charger 4000mAh
Dual-power charging with high-conversion solar panel (22% efficiency) and manual crank for reliable off-grid energy. Premium ABS+PC alloy casing with shockproof/water-resistant design (IPX4), ideal for hiking, emergencies, or travel. Precision-engineered lithium-polymer battery (4000mAh) supports 2-3 full phone charges; includes multi-protection circuit (overcharge/short-circuit proof). Ultra-compact (5.3oz) with built-in LED flashlight; compatible with iOS/Android via dual USB ports (5V/1A output). Bulk order wholesale pricing available—global shipping with industry-lowest MOQ guarantees.