Sigma SI20A4QL
![]() | Outdated Product A functional power bank with a capacity of 20,000 mAh from the brand Sigma, introduced to the market in 2025. The model is designed as a universal solution for a wide range of users and features support for multiple charging protocols along with smart operating modes. When using one of the three outputs (two USB-A and one USB-C), the device can provide fast charging with a maximum power of up to 22.5 W. The list of supported standards includes not only popular Power Delivery 3.0 and Quick Charge 3.0 but also protocols from Samsung, Huawei, and OPPO VOOC. It is important to note that when multiple gadgets are connected simultaneously, the total output power is limited to 15 W, and charging occurs in standard mode. One of the key features is the support for pass-through charging, allowing bo...th the Sigma SI20A4QL power bank and the device connected to it to be charged simultaneously. Additionally, there is a special low current mode for safely charging low-power accessories, such as wireless headphones or fitness trackers. The body is made of durable and fire-resistant plastic, and the informational display allows you to accurately track the remaining charge.
Standout features include the extensive support for multiple charging protocols, ability to fast-charge multiple devices, and pass-through charging feature, which sets this power bank apart from others in the market. |
Sigma SI20A4QL 20000 mAh 30000 mAh | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A functional power bank with a capacity of 20,000 mAh from the brand Sigma, introduced to the market in 2025. The model is designed as a universal solution for a wide range of users and features support for multiple charging protocols along with smart operating modes. When using one of the three outputs (two USB-A and one USB-C), the device can provide fast charging with a maximum power of up to 22.5 W.
The list of supported standards includes not only popular Power Delivery 3.0 and Quick Charge 3.0 but also protocols from Samsung, Huawei, and OPPO VOOC. It is important to note that when multiple gadgets are connected simultaneously, the total output power is limited to 15 W, and charging occurs in standard mode. One of the key features is the support for pass-through charging, allowing both the Sigma SI20A4QL power bank and the device connected to it to be charged simultaneously.
Additionally, there is a special low current mode for safely charging low-power accessories, such as wireless headphones or fitness trackers. The body is made of durable and fire-resistant plastic, and the informational display allows you to accurately track the remaining charge. Standout features include the extensive support for multiple charging protocols, ability to fast-charge multiple devices, and pass-through charging feature, which sets this power bank apart from others in the market.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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