Portable power bank, 4000mAh mobile power supply

【Compact and lightweight design】Black long square corner shape, with a textured surface for anti-slip, and interface on the side. The body is lightweight and compact, allowing for easy portability during travel. 【4000mAh capacity】Built-in 4000mAh battery capacity, providing stable power output, meeting the emergency charging needs of mobile devices such as smartphones. 【5V/2A charging specification】Supports 5V/2A input and output, with a maximum power of 10W. Equipped with a Micro charging interface, suitable for basic charging devices. 【ABS material durability】Made of ABS plastic material, sturdy and shock-resistant. Micro charging design, suitable for home backup or carrying around during travel. Date First Available ‏ : ‎ August 16, 2026