从China供应商批量进口4000 Mah Power Bank

The 4000 mAh power bank from Shenzhen Wanlongxin Electronic Technology Co., Ltd. is a portable lithium-ion battery designed for charging smartphones and other USB-powered devices. It features a capacity of 4000 mAh, providing a single full charge for most modern smartphones or partial charges for larger devices. The power bank supports a 5V/1A input and output, ensuring compatibility with standard USB charging protocols for efficient power delivery.

This power bank is engineered with safety as a priority, incorporating protection mechanisms against overcharging, short circuits, and overheating. Its compact and lightweight design makes it highly portable, fitting easily into pockets or small bags. The lithium-ion battery chemistry is standard for consumer electronics, offering a balance of energy density and safety. Typical charging efficiency for such devices ranges between 80% and 90%, depending on the charge cycle and ambient temperature.

Power banks like this are widely used by travelers, professionals, and students who require reliable on-the-go charging solutions. The device is universally compatible with iOS and Android smartphones, as well as other USB-powered gadgets such as tablets and wireless headphones. For bulk orders, buyers should confirm packaging options, branding possibilities, and compliance with local safety standards, as these details are not specified in the listing.

Shenzhen Wanlongxin Electronic Technology Co., Ltd. is located at 2 Build, Jinhua Industry Park, Shenzhen 518129, Bantian, China. The company is classified as an imported-tier supplier with a harbor trust tier, indicating a baseline level of verification for its operations. However, the supplier’s response rate to inquiries is currently recorded as 0.0%, which may impact communication timelines for potential buyers.

The supplier’s profile does not provide additional details such as company history, production capacity, or certifications. The focus of the listing is on the technical specifications of the power bank, and buyers are advised to engage directly with Shenzhen Wanlongxin to confirm trade terms, lead times, and compliance with safety standards such as CE or FCC, which are mentioned in the source description but not explicitly attributed to this specific product.