Power Bank WALKER WB-640 40000mAh black
WALKER WB-640 — 40,000mAh of energy for a week with fast charging
40000mAh (148Wh) capacity
Up to 8–10 charges for an iPhone 15, 4–5 charges for an iPad, or 1.5 charges for a MacBook Air. A week of active use.
Three ports at once
• USB-A QC 3.0 ×2: 22.5W each
• USB-C PD: optimal speed for modern powerful gadgets.
You can connect three devices simultaneously without reducing the charging speed.
22.5W fast charging
Up to 50% of iPhone 15 in 30 minutes. Supports all popular fast charging standards: compatible with iPhone, Samsung, Huawei, Xiaomi, OPPO, and other brands. Automatically selects the optimal power for the fastest and safest charging.
Long service life without capacity loss
Retains 80% capacity after 250+ charging cycles. The body is made of durable, fire-resistant ABS and PC materials that are resistant to scratches and impacts.
Pass-Through Charging Function
Allows you to charge the power bank and connected devices at the same time — the power bank and gadgets are charged concurrently.
LCD display and LED flashlight
Monitor the power bank's charge with up to 1% accuracy + powerful light for emergencies.
Intelligent protection
IP5356 chip — temperature control, protection against voltage surges and short circuits.
Compact for its class
155×69×55 mm, 805 g — about the same as a 0.8 L bottle of water. Comes with a convenient carrying loop.
WALKER WB-640 — complete energy freedom for travel, work, and leisure.
