Uwell Caliburn G5 KOKO Open Pod Kit Review

The Uwell Caliburn G5 KOKO Open Pod Kit builds on the success of the popular KOKO series by pairing a compact, square design with meaningful upgrades that enhance everyday vaping. Rather than simply refreshing the device with a new look, Uwell has added a larger battery, adjustable power, an upgraded pod platform, and an improved user interface to create a pod system that feels more refined and capable. Designed for both new and experienced vapers, the G5 KOKO balances portability, flavor, and customization while remaining simple enough for everyday use. Whether you’re upgrading from an older Caliburn model or switching from disposable vapes, this device offers a well-rounded vaping experience that prioritizes performance over unnecessary complexity.

What’s in the Box

• Uwell Caliburn G5 KOKO Device
• Uwell GPP Refillable Pod
• USB Type-C Charging Cable
• User Manual

Design and Build Quality

The Caliburn G5 KOKO retains the distinctive square form factor that made the KOKO series popular while introducing a more premium look and feel. Its lightweight aluminum alloy body feels sturdy without being bulky, making it comfortable to carry in a pocket or wear on a lanyard. A standout upgrade is the 1.2-inch HD color display, which presents the battery level, wattage, puff count, and other essential information in a bright, easy-to-read layout. The interface is modern and responsive, while multiple display themes allow for personalization. With its compact dimensions, smooth finish, and intuitive button placement, the G5 KOKO delivers an excellent balance of style, durability, and everyday practicality.

GPP Alpha Pod System

The G5 KOKO uses Uwell’s latest GPP (G Pod Platform) Alpha cartridges, designed to deliver consistent flavor, minimize leaks, and simplify everyday use. The refillable pods feature a convenient filling system and are available in multiple resistance options, supporting everything from a tight mouth-to-lung draw to a looser, restricted direct-lung inhale. Stepless airflow adjustment also lets users fine-tune the draw without navigating complex settings. Together, the upgraded pod system and adjustable airflow provide a versatile, user-friendly vaping experience.

PRO-FOCS 4.0 Flavor Technology

A key feature of the G5 KOKO is Uwell’s PRO-FOCS 4.0 flavor technology, engineered to deliver accurate, consistent flavor throughout each pod’s life. Instead of focusing solely on larger vapor clouds, this system optimizes airflow, coil performance, and e-liquid delivery to produce cleaner, richer flavor with every puff. It also supports even wick saturation, helping prevent dry hits and extend pod life under normal use. The result is a smooth, satisfying flavor profile that remains remarkably consistent from the first refill to the last.

Power and Vaping Performance

Despite its compact size, the G5 KOKO delivers impressive performance for a refillable pod system. Its adjustable output ranges from 5W to 35W in precise 1W increments, making it easy to match different pod resistances and vaping preferences. The responsive chipset activates almost instantly, providing smooth, consistent vapor with minimal delay. Users can choose between auto-draw and button activation for a more personalized experience. Compatible with both nicotine salts and freebase e-liquids, the G5 KOKO delivers reliable flavor, balanced vapor production, and a satisfying draw without unnecessary complexity.

Battery Life and Charging

The device is powered by a built-in 1600mAh rechargeable battery, providing ample capacity for extended daily use. Runtime varies with wattage and vaping habits, but it is excellent for a device of this size. When recharging is required, 5V/2A USB Type-C fast charging helps minimize downtime. The HD screen also displays the remaining battery level, allowing users to monitor power accurately without guesswork.

Ease of Use

Despite offering adjustable wattage and airflow, the G5 KOKO remains exceptionally beginner-friendly. Its clear display and responsive controls make menu navigation simple, while routine tasks such as refilling pods, adjusting airflow, and changing power settings require minimal effort. Users can also switch between auto-draw and button activation, adding flexibility without unnecessary complexity. These thoughtful design choices make the G5 KOKO an excellent compact everyday device for both first-time and experienced vapers.

Cleaning and Maintenance

Keeping the Caliburn G5 KOKO in top condition requires minimal maintenance. Occasionally remove the pod and wipe away any condensation around the contacts. Clean the mouthpiece and refill port regularly to maintain hygiene, and replace the pod when flavor or vapor production begins to decline. With the improved GPP Alpha pod design and leak-resistant construction, maintenance is quick, simple, and less demanding than with many refillable pod systems.

Who Should Buy the Uwell Caliburn G5 KOKO?

The Caliburn G5 KOKO is an excellent choice for vapers seeking a compact pod system without sacrificing the advanced features typically found in larger devices. Adjustable wattage, customizable airflow, and long battery life give experienced users greater control, while the intuitive interface remains accessible to beginners. It is also a worthwhile upgrade for existing Caliburn users who want better battery performance and a more modern display. Compatible with both nicotine salts and freebase e-liquids, the G5 KOKO delivers the flexibility and consistent performance needed for reliable everyday vaping.

Various Color Options of Uwell Caliburn G5 KOKO

The G5 KOKO is available in six beautiful colors, including Ocean Flame, Fantasy Pink, Golden Brown, Midnight Blue, Mocha Silver, and Onyx Black.

Pros and Cons

Pros

• Durable aluminum alloy construction with a premium finish
• Large 1600mAh built-in battery provides excellent runtime
• Compatible with the GPP Alpha Pod Platform
• Stepless airflow adjustment accommodates different draw styles
• Supports both auto-draw and button activation
• Leak-resistant pod design helps reduce condensation and mess

Cons

• Built-in battery cannot be replaced by the user
• Primarily designed for mouth-to-lung and restricted direct-lung vaping rather than high-power cloud chasing

Conclusion

The Uwell Caliburn G5 KOKO open pod kit builds on the KOKO series’ strengths with practical upgrades that enhance the overall vaping experience. Its compact design is ideal for everyday use, while the GPP Alpha Pod Platform, PRO-FOCS 4.0 flavor technology, adjustable wattage, and stepless airflow deliver impressive performance for a device of its size. A larger battery and intuitive HD color display add to its versatility and ease of use. Although it is not designed for high-wattage sub-ohm vaping, it performs exceptionally well within its category. For anyone seeking a stylish, feature-rich, and dependable refillable pod system, the Caliburn G5 KOKO is a compelling choice.