Calus P373Max portable power bank.

When standard power banks fall short, the Calus SPARK P307Plus steps in. Specially designed to handle heavy daily demands, outdoor adventures, and long power cuts, this high-capacity external battery ensures your essential tech never goes dead. Whether you are running an online business from your phone, travelling upcountry, or dealing with an unexpected blackout, the SPARK P307Plus gives you total energy independence.

Massive 30,000mAh Ca...

When standard power banks fall short, the Calus SPARK P307Plus steps in. Specially designed to handle heavy daily demands, outdoor adventures, and long power cuts, this high-capacity external battery ensures your essential tech never goes dead. Whether you are running an online business from your phone, travelling upcountry, or dealing with an unexpected blackout, the SPARK P307Plus gives you total energy independence.

Massive 30,000mAh Capacity for Week-Long Performance

Equipped with premium, high-density lithium-polymer cells, the Calus SPARK P307Plus acts as a portable generator for your pocket. It safely stores an incredible amount of backup energy, offering:

• 6 to 9 Full Charges for popular smartphones (iPhone, Samsung Galaxy, TECNO, Infinix, Xiaomi).

• 4 to 5 Full Charges for heavy-duty tablets, iPads, or 4G LTE MiFi routers.

• Countless top-offs for wireless earbuds, smartwatches, and rechargeable torches.

Forget the frustration of leaving your charging cords behind. The Calus SPARK P307Plus comes intelligently equipped with low-profile, durable cables integrated directly into the body. Featuring dedicated outputs for Type-C, Apple Lightning, and Micro-USB, it offers universal compatibility out of the box. Simply pull out the required cable, plug in your device, and watch it fast-charge.

Simultaneous Multi-Device Smart Charging

Share the power with your family, friends, or colleagues. With its combination of pre-installed cables and high-output USB ports, the SPARK P307Plus can power up multiple gadgets at the exact same time. The internal smart-chip automatically optimizes power distribution to ensure each connected device receives a fast, steady, and entirely safe charge without overheating.

Engineered for Safety and Durability

A powerhouse of this size requires elite protection. The Calus SPARK P307Plus features a highly robust, flame-retardant ABS and polycarbonate exterior that resists scratches and impacts. Inside, an advanced Multi-Protection Safety System guards against short circuits, over-voltage, over-charging, and excessive current. Plus, the crystal-clear LED numerical display ensures you always know exactly how much juice is left in the bank.

 Technical Specifications