The NEXA Ultra II and Champs 50K are high-capacity disposable vaping products aimed at adult nicotine consumers. While both are positioned around extended-use capacity, their specifications and hardware approaches can differ considerably.
Because product configurations can vary by market, the following comparison focuses on specifications that can be independently verified. The NEXA Ultra II information comes from NEXA’s official product page, while the Champs 50K specifications could not be independently verified from the supplied retailer page at the time of writing.
Nicotine products are intended only for adults. Nicotine is addictive.
NEXA Ultra II: Key Specifications
According to NEXA, the Ultra II uses a 900mAh rechargeable battery and combines 4mL of storage cotton with a 16mL crystal tank. The manufacturer lists two operating modes: Normal Mode with a claimed 50,000 puffs and Turbo Mode with a claimed 30,000 puffs.
The device also features a transparent tank design intended to provide visibility of the liquid supply. NEXA describes the Ultra II as having a slim, compact form factor.
Main NEXA Ultra II specifications
| Feature | NEXA Ultra II |
|---|---|
| Claimed maximum puff count | Up to 50,000 |
| Normal Mode | 50,000 puffs claimed |
| Turbo Mode | 30,000 puffs claimed |
| Battery | 900mAh |
| Storage cotton | 4mL |
| Crystal tank | 16mL |
| Tank design | Transparent |
| Operating modes | Normal / Turbo |
| Manufacturer | NEXA |
The advertised puff count is a manufacturer’s estimate rather than a guaranteed number of actual uses. Actual results can vary substantially depending on puff duration, frequency, power mode, and other conditions.

Champs 50K: Information Availability
The supplied Champs 50K product page on VapeSourcing could not be retrieved for verification during preparation of this article.
As a result, specifications such as battery capacity, liquid capacity, charging system, coil configuration, operating modes, dimensions, and actual claimed puff count should not be presented as confirmed facts without an accessible manufacturer or product source.
The product name indicates a 50K positioning, but the number alone is not sufficient to establish the exact hardware configuration or expected usage.
NEXA Ultra II vs Champs 50K
The clearest distinction at this stage is the level of publicly verifiable information.
The NEXA Ultra II has detailed manufacturer-published information covering its battery, tank configuration, operating modes, and claimed puff capacity.
For the Champs 50K, those specifications remain unverified from the supplied source.
| Category | NEXA Ultra II | Champs 50K |
| Claimed capacity | Up to 50,000 puffs | 50K designation; exact details not independently verified |
| Battery | 900mAh | Not verified |
| Liquid/storage system | 4mL cotton + 16mL crystal tank | Not verified |
| Operating modes | Normal / Turbo | Not verified |
| Charging | Not specified on accessible manufacturer page | Not verified |
| Display/indicators | Not independently confirmed | Not verified |
| Dimensions | Not verified from accessible text | Not verified |
| Manufacturer specifications | Available | Not accessible from supplied page |
Capacity Claims Need Some Context
“50K” has become a common marketing designation in the disposable-vape category, but puff counts should not be treated as standardized measurements.
For example, NEXA specifically lists different claimed capacities depending on operating mode: 50,000 puffs in Normal Mode and 30,000 puffs in Turbo Mode.
This illustrates why comparing devices solely by their advertised puff number can be misleading. Battery capacity, liquid capacity, power output, airflow, and individual usage patterns can all affect how long a device actually lasts.
Design and Usability
The NEXA Ultra II emphasizes a compact design while incorporating a visible crystal tank. NEXA says the tank combines 4mL of storage cotton and a 16mL crystal tank, while the 900mAh battery is designed for extended use between charges.
The two-mode configuration also creates a distinction between the advertised Normal and Turbo operating profiles. Users comparing the device with another high-capacity disposable should therefore examine operating modes rather than relying only on the headline puff figure.
For the Champs 50K, a direct assessment of its physical design and usability would require confirmed specifications or accessible product documentation.

Which Has the More Clearly Documented Specification Set?
Based strictly on the information that can currently be verified, the NEXA Ultra II has the more clearly documented specification set.
NEXA publicly identifies the device’s 900mAh battery, 4mL storage cotton, 16mL crystal tank, and Normal/Turbo modes.
That does not establish that it is technically superior to the Champs 50K. Rather, it means that there is substantially more manufacturer-provided information available for evaluating the Ultra II.
A meaningful hardware comparison would require verified Champs 50K specifications covering its battery, liquid capacity, charging, coil system, dimensions, and operating modes.
Final Assessment
The NEXA Ultra II is a high-capacity disposable vaping device with a documented 900mAh battery, 4mL storage cotton, 16mL crystal tank, and two operating modes, with NEXA claiming up to 50,000 puffs in Normal Mode and 30,000 in Turbo Mode.
The Champs 50K is similarly positioned as a high-capacity product, but the supplied product page was unavailable for independent verification. Consequently, it would be inappropriate to declare one device the overall winner based on unverified specifications.
For an accurate comparison, readers should check the packaging and manufacturer documentation for the specific regional version, particularly for nicotine strength, capacity, battery specifications, and regulatory compliance.
Note: Nicotine is addictive. These products should only be used by adults and in accordance with applicable local laws and regulations.









