Model VM-BP-30W from Shenzhen Vermax Technology Co. Ltd is a backpack-based portable power system featuring monocrystalline or polycrystalline solar cells with a peak output of 30W, used to charge onboard Li-ion or Li-polymer power banks rated at 10,000mAh to 20,000mAh. Solar charging time under direct sunlight is approximately six to eight hours.
The backpack’s USB outputs support 5V/2A, 9V/2A, and 12V/1.5A, compatible with QC 3.0 and PD fast charging protocols. Select variants include 12V/18V DC output pairing. The unit operates at a temperature range of -10 to 60 C.
Additional features include foldable or removable panels, LED charge indicators, RFID-secure compartments, and concealed zippers. Constructed from water-resistant polyester or nylon, this backpack includes a 13 to 15-inch laptop sleeve. Unit dimensions are 40x19x19.5cm and weight is 1.6kg.
The MOQ for this model is 20 units and the lead time ranges from 20 to 25 days. Shenzhen Vermax was founded in 2018 and specializes in solar off-grid generation systems, foldable solar panels, and solar street lights. It also offers OEM/ODM services.
