Import 4000 Mah Power Bank — Buy in Bulk from Supplier in China
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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.
| Battery Capacity | 4000 mAh |
| Battery Type | Lithium-ion (standard for portable power banks) |
| Input Voltage/Current | 5V / 1A |
| Output Voltage/Current | 5V / 1A |
| Charging Efficiency | 80 - 90% (typical for lithium-ion power banks) |
| Protection Features | Overcharge protection, short circuit protection, overheat protection |
| Typical Charge Time | 3 - 4 hours (standard for 1A input) |
| Typical Discharge Cycles | 300 - 500 cycles (standard for lithium-ion cells) |
| Operating Temperature Range | 0°C to 45°C (typical for lithium-ion batteries) |
| Weight | 100 - 150g (typical for 4000 mAh power banks) |
| Dimensions (L x W x H) | Approx. 100 x 60 x 20 mm (typical for compact power banks) |
| Compatibility | Universal (USB-powered devices, including smartphones, tablets) |
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.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing 4000 mAh Power Bank from Shenzhen Wanlongxin Electronic Technology Co., Ltd. - China Import Guide
Before ordering from Shenzhen Wanlongxin Electronic Technology Co., Ltd., verify that the power bank’s capacity and output specifications match your device requirements. Confirm whether the unit includes any additional features such as LED indicators for battery level or multiple USB ports, as these are not specified. Request documentation such as test reports and safety certifications to ensure compliance with your local regulations.
For logistics, discuss lead times for bulk orders and confirm the supplier’s ability to meet your delivery schedule. Shenzhen is a major hub for electronics manufacturing, so shipping from this location is typically efficient. Clarify Incoterms such as FOB Shenzhen or CIF to your destination port, and agree on payment terms such as TT or LC to secure the transaction.
Quality checks should include testing the power bank’s charging efficiency, protection features, and physical condition upon delivery. Request a pre-shipment inspection to verify that the units meet the specified capacity and safety standards. Ensure that the shipment includes all necessary documentation, such as packing lists, certificates of conformity, and user manuals, to facilitate customs clearance and end-user satisfaction.
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30 suppliersBuy & Import 4000 Mah Power Bank — Wholesale Supply from China
Securing a reliable supply chain for 4000 Mah Power Bank is critical for maintaining your business operations. Shenzhen Wanlongxin Electronic Technology Co., Ltd., a verified supplier located in China, provides high-quality 4000 Mah Power Bank ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing 4000 Mah Power Bank from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Shenzhen Wanlongxin Electronic Technology Co., Ltd.. This seamless communication is powered by EximNext, a premier online B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Shenzhen Wanlongxin Electronic Technology Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Shenzhen Wanlongxin Electronic Technology Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products sector. Expand your sourcing capabilities through our trusted B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for 4000 Mah Power Bank
When importing 4000 Mah Power Bank from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About 4000 Mah Power Bank
How can I get the wholesale price for 4000 Mah Power Bank?
Click the "Request Quotation" button to contact Shenzhen Wanlongxin Electronic Technology Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy 4000 Mah Power Bank in bulk from China?
Yes, Shenzhen Wanlongxin Electronic Technology Co., Ltd. provides 4000 Mah Power Bank for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Shenzhen Wanlongxin Electronic Technology Co., Ltd.. Contact the supplier to discuss the best logistics options for importing 4000 Mah Power Bank to your country.
How do I request a sample of 4000 Mah Power Bank?
Send a direct message to Shenzhen Wanlongxin Electronic Technology Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Shenzhen Wanlongxin Electronic Technology Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing 4000 Mah Power Bank?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Shenzhen Wanlongxin Electronic Technology Co., Ltd..
Does Shenzhen Wanlongxin Electronic Technology Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Shenzhen Wanlongxin Electronic Technology Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Products suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Shenzhen Wanlongxin Electronic Technology Co., Ltd. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our online B2B marketplace.
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