Description Night Light –USB card led night light Core Advantages of This Pocket USB Led Lamp This compact USB card led night light adopts 3 single-sided 2835 LED chips with ultra-low 0.2W power consumption. The working current is merely 40mA, delivering high luminous efficiency and stable heat dissipation after long-hour lighting tests. It fits perfectly inside wallets or keychains for outdoor camping, desktop reading and keyboard lighting. Compatible with all standard 5V USB devices including power banks, laptops and desktops. Key Parameter Details of Portable USB Reading Light Power: 0.2W LED Count: 3 single-sided 2835 chips Working Current: 40mA Runtime: 100 continuous hours with a 5000mAh power bank Input: Universal 5V USB port Scene Tips for Wallet Size USB Camping Lamp Notice: This mini lamp has extremely low power draw. Auto-shutoff power banks may identify it as no load and cut output automatically, which is a normal device feature instead of product defect. Shop our matching Double Side 2 LED USB card lamp for dual-sided lighting needs. Q&A Q1: How long can this USB card led night light run with a 5000mAh power bank? A1: It can stay lit continuously for around 100 hours thanks to its ultra-low 0.2W power consumption. Q2: Why does my power bank shut off automatically when using this mini USB lamp? A2: The lamp only draws 40mA current. Many auto-shutdown power banks judge low-load devices as empty and cut power, this is not product failure. Q3: Can I plug this portable USB reading light into my laptop’s USB port? A3: Absolutely, it works with all standard 5V USB ports from laptops, power banks, chargers and desktop computers.
