CALUS P273 Max.

Don't let its miniature size fool you. The Calus Firefly P-377 Portable Charger is built to eliminate low-battery anxiety without forcing you to carry a heavy, brick-like battery pack. Designed for modern commuters, students, and busy professionals, the P-377 seamlessly balances a high-density energy reserve with an elegant, streamlined body that fits comfortably in the palm of your hand.

Signature Firefly Smart LED Display

The standout feature of the Calus P-377 is its signature glowing Firefly LED Display. Unlike traditional portable chargers that use vague, blinking indicator dots, the P-377 features a highly visible, stylish digital display. It shows you exactly how much energy is left in reserve, ensuring you are never caught off guard with an uncharged power bank before heading out.

Smart Fast-Charging for Your Daily Hustle

Equipped with high-efficiency charging technology, the Calus Firefly P-377 delivers an optimized electrical current tailored to your specific device. Whether you are running a flagship iPhone, a high-end Samsung Galaxy, or topping up your wireless earbuds, the P-377 cuts down on waiting times significantly compared to standard power banks, getting you back to full strength in no time.

Rugged Elegance Built with Absolute Safety

The exterior of the Firefly P-377 is crafted from a high-grade, fire-retardant ABS composite material, featuring a sleek anti-slip texture that resists scratches and fingerprints. Internally, Calus has integrated a multi-layered Smart Protection System to safeguard your expensive electronics. Sleep easy knowing your devices are fully protected against:

• Over-voltage and sudden power surges

• Over-current and short-circuit faults

• Extreme temperature shifts and overheating

• Deep discharging and over-charging

Full Product Specifications

• Brand: Calus

• Model: Firefly P-377

• Chassis Type: Pocket-Sized Ultra-Compact

• Battery Composition: High-Density Lithium-Polymer

• Charging Ports: Dual High-Speed Outputs (Supports simultaneous charging)

• Input Options: Type-C & Micro-USB for convenient recharging

• Battery Status Indicator: Glowing Firefly LED Digital Screen

• Material: Scratch-resistant, impact-safe, flame-retardant ABS

• Compatibility: Universal (Apple iOS, Android, Tablets, Bluetooth Audio, and Smart Wearables)

What’s in the Box?

• 1 x Calus Firefly P-377 Compact Power Bank

• 1 x High-Speed Micro-USB/Type-C Charging Cable

• 1 x User Manual & Authenticity Card