Trickle protection, when the power is charged to 80%, it intelligently starts the trickle mode, reduces the charging temperature to ensure that the power is saturated, prevents overcharging and extends the battery life. Each product has gone through multiple protection tests for durability and long life. We use PC material, which has the characteristics of heat resistance, cold resistance and high strength, and add fireproof material, which meets the 94VO standard, 130? high temperature burning test, so as to achieve real fireproof. Measuring 1.85*1.02*2.95 inches, this custom super fast charging 55w fully compatible usb+pd charger. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Compact size, lightweight, easy to carry.