Sigma SI30A4QL
![]() | Outdated Product A universal and relatively affordable high-capacity power bank capable of charging three devices simultaneously (USB C + 2xUSB A), with a USB C input and support for most popular fast charging technologies (Quick Charge 3.0, Power Delivery 3.0, Samsung AFC, Huawei FCP/SCP, OPPO VOOC), and a visible digital LED display. It supports Pass-through charging mode for simultaneous charging of the device and connected gadgets (this mode requires the use of a powerful power adapter). Positioned as an affordable mid-range product in 2025, it's intended for budget-conscious users who need a combination of energy capacity, mobility, and the ability to connect three devices simultaneously. It stands out for its moderate dimensions of 14.6x6.8x4.1 cm and notable weight of 604 g. Thanks to the practical...construction of a durable plastic casing, it easily fits in medium-sized bags, backpacks, or suitcases. Inside the case is a Li-Pol cell system with a claimed capacity of 111 Wh. The actual capacity of the Proove Guardian Sigma SI30A4QL power bank will be enough for 3.5-4 full charges of a mid-range smartphone with a 5000 mAh battery. This device can also handle charging any USB-compatible gadgets, including mobile speakers, action cameras, drone batteries, portable gaming consoles, and so on. It can help organize the power supply for a home Wi-Fi router during a blackout.
Notable features include support for multiple fast charging technologies, simultaneous charging of up to three devices, and a significant capacity for multiple phone charges. E-Catalog uses affiliate links compensated by our partners. |
Sigma SI30A4QL 20000 mAh 30000 mAh | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A universal and relatively affordable high-capacity power bank capable of charging three devices simultaneously (USB C + 2xUSB A), with a USB C input and support for most popular fast charging technologies (Quick Charge 3.0, Power Delivery 3.0, Samsung AFC, Huawei FCP/SCP, OPPO VOOC), and a visible digital LED display. It supports Pass-through charging mode for simultaneous charging of the device and connected gadgets (this mode requires the use of a powerful power adapter).
Positioned as an affordable mid-range product in 2025, it's intended for budget-conscious users who need a combination of energy capacity, mobility, and the ability to connect three devices simultaneously. It stands out for its moderate dimensions of 14.6x6.8x4.1 cm and notable weight of 604 g. Thanks to the practical construction of a durable plastic casing, it easily fits in medium-sized bags, backpacks, or suitcases.
Inside the case is a Li-Pol cell system with a claimed capacity of 111 Wh. The actual capacity of the Proove Guardian Sigma SI30A4QL power bank will be enough for 3.5-4 full charges of a mid-range smartphone with a 5000 mAh battery. This device can also handle charging any USB-compatible gadgets, including mobile speakers, action cameras, drone batteries, portable gaming consoles, and so on. It can help organize the power supply for a home Wi-Fi router during a blackout. Notable features include support for multiple fast charging technologies, simultaneous charging of up to three devices, and a significant capacity for multiple phone charges.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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