Sigma mobile X-Power SI30A3QL

The Sigma mobile brand portable battery can be attributed to low-cost high-capacity solutions (30,000 mAh or 111 Wh). Taking into account the inevitable losses for energy conversion, a lithium-polymer battery is capable of delivering 18,600 mAh to connected mobile devices, which in practice is enough to, for example, charge the Apple iPad 2021 tablet from 0 to 100% twice or the iPhone 13 5.5 times.

charging, the model can be used to energize smartwatches, fitness trackers, wireless headphones, etc. The Sigma mobile X-Power SI30A3QL power bank is equipped with four ports, including bidirectional USB C, which supports Power Delivery 3.0 protocol and can provide up to 20W output power. There is also a microUSB input connector (located separately from other interfaces on the side of the case) and a pair of USB A. The latter two have support for Quick Charge 3.0 technology, so that the maximum power parameters with one connected device can reach 22.5 W. Other features of the model include the presence of an informative display and a multi-level protective system with the function of automatically turning off the power bank.