Power Banks / Shenzhen Zhenghaixin Technology / High capacity magnetic wireless portable charger
Shenzhen Zhenghaixin Technology

High capacity magnetic wireless portable charger

Data updated 2026-09-13

This high-capacity battery pack offers 20,000 mAh of power, specifically designed for users who rely on magnetic attachment. It snaps directly onto the back of compatible iPhones, providing a steady wireless charge without the clutter of cables. The magnetic grip is strong enough to keep the phone and charger together during active use.

Despite its large internal capacity, the unit maintains a form factor that is manageable for handheld operation. It serves as a reliable backup for long flights or camping trips where power sources are unavailable. The wireless interface is complemented by traditional ports for charging secondary devices that do not support magnetic attachment.

The build quality focuses on heat management and safety during the wireless transfer process. It is an ideal solution for those who want the convenience of MagSafe technology paired with a battery large enough to provide several full phone recharges. This catalog entry highlights its utility for power-heavy users on the move.

High capacity magnetic wireless portable charger
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Shenzhen Zhenghaixin Technology
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Power banks for iPhone MagSafe power banks 20,000 mAh power banks

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