Mini air cooler using DC fan
Mini air cooler using DC fan
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🔌 Review: 5V USB LED Bulb – Portable Lighting on a Budget
🔌 Review: 5V USB LED Bulb – Portable Lighting on a Budget ⭐ Overall Rating: ★★★★☆ (4.5/5) 🔍 What It Is A 5V USB-powered LED bulb designed for portable use. You can plug it into power banks, laptops, USB adapters, or solar USB systems. Common in Pakistan for emergency lights, travel, tents, and study use . ✅ Pros Low power usage – runs on power banks Bright enough for 6x6 ft area No heat issue – stays cool after hours Very affordable – usually under Rs.150–200 Plug & Play – just connect to any USB port ❌ Cons Not waterproof – indoor use only Wire quality may vary – some come with weak cable No dimming – fixed brightness Not very durable – better for occasional use 🔋 Power Specs Input: 5V DC via USB Power: ~1W to 3W (depends on model) Current: 200mA to 500mA Works with: 5000mAh power bank = 8–10 hours backup 📦 Best For Emergency use Outdoor trips / camping Load-shedding backup light Kids’ study l...