Portable X-ray equipment requires a reliable and precisely matched battery charging solution to maintain stable operation, charging efficiency, and battery performance. Unlike general-purpose electronic devices, portable X-ray systems can use dedicated rechargeable battery packs with specific cell configurations, maximum charging voltages, charging currents, battery management systems, and proprietary DC connectors.
Guangdong QINX Technology Co., LTD. develops and manufactures AC/DC battery chargers for OEM equipment manufacturers and system integrators. Our chargers can be configured according to the actual battery specification, including output voltage, charging current, charging power, connector type, pin configuration, cable length, AC plug, and certification requirements.
For portable X-ray applications, Guangdong QINX can support compact low-power chargers as well as higher-power charging platforms for larger lithium-ion battery systems.
The correct charger output depends primarily on the battery chemistry and series-cell configuration.
For lithium-ion battery packs, common full-charge voltages include 16.8V for 4S configurations and 58.8V for 14S configurations. Other battery architectures may require different charging voltages.
Publicly available specifications for portable dental X-ray equipment demonstrate that 16.8V 1A is an actual charging configuration used for rechargeable battery systems. Published equipment specifications include 16.8V DC and 1.0A charging requirements for portable X-ray applications.
This makes 16.8V charging an important configuration for compact handheld and portable X-ray systems.
Guangdong QINX also supports different charging-current configurations, including 16.8V 1.5A, with customized current ratings available according to the battery capacity and equipment design.
| Battery Configuration | Typical Nominal Voltage | Full-Charge Voltage | Example Charging Configuration | Charging Power |
|---|---|---|---|---|
| 4S Li-ion | 14.8V | 16.8V | 16.8V 1A | 16.8W |
| 4S Li-ion | 14.8V | 16.8V | 16.8V 1.5A | 25.2W |
| 4S Li-ion | 14.8V | 16.8V | 16.8V 2A | 33.6W |
| 4S Li-ion | 14.8V | 16.8V | 16.8V 3A | 50.4W |
| 7S Li-ion | 25.9V | 29.4V | 29.4V 1A | 29.4W |
| 7S Li-ion | 25.9V | 29.4V | 29.4V 1.5A | 44.1W |
| 14S Li-ion | 51.8V | 58.8V | 58.8V 1A | 58.8W |
| 14S Li-ion | 51.8V | 58.8V | 58.8V 1.5A | 88.2W |
| 14S Li-ion | 51.8V | 58.8V | 58.8V 2A | 117.6W |
These configurations are examples for charger development and should not be treated as universal specifications for all portable X-ray equipment. The final charger must be selected according to the actual battery pack, BMS, charging profile, and equipment manufacturer's requirements.
For a broader range of charging products, explore our Battery Chargers.
A 16.8V charger is commonly associated with a 4S lithium-ion or lithium-polymer battery configuration with a nominal voltage of approximately 14.8V.
The charger must provide the correct maximum charging voltage rather than simply matching the battery's nominal voltage. A 14.8V nominal lithium-ion battery pack therefore commonly requires a 16.8V CC/CV charger when configured as a 4S pack.
Public specifications for portable dental X-ray equipment confirm the use of 16.8V 1A charging. Published technical documentation for portable X-ray systems specifies 16.8V DC and 1.0A charging for rechargeable lithium-based battery systems.
This configuration provides 16.8W of charging power and can be suitable for compact battery-powered X-ray systems where controlled charging speed is preferred.
Guangdong QINX also provides customized 16.8V 1.5A chargers. A 16.8V 1.5A charger provides 25.2W of charging power and can be configured with an application-specific DC connector and cable.
For one portable X-ray equipment project, Guangdong QINX supplied a 16.8V 1.5A charger with a 5.5x2.5 DC connector featuring a center pin. This type of connector configuration demonstrates the importance of matching not only the charger voltage and current but also the equipment's actual charging interface.
For related products, see our 16.8V Battery Chargers.
Higher-voltage portable X-ray systems may use larger lithium-ion battery packs.
For a 14S lithium-ion battery configuration, the nominal battery voltage is approximately 51.8V and the full-charge voltage is typically 58.8V. A 58.8V charger can therefore be used when the battery pack and BMS are designed for this charging voltage.
Publicly available specifications for battery-powered portable X-ray equipment also demonstrate higher-voltage charging configurations, including 58.8V/1.5A and 29.9V/1.5A charger specifications. These examples show that portable X-ray systems can use different battery architectures and charging requirements depending on their design.
These specifications demonstrate that portable X-ray systems can use significantly different battery and charger architectures depending on equipment design.
Guangdong QINX also has experience supplying 58.8V 1A chargers with customized 4-pin circular connectors for battery-powered equipment. A 58.8V 1A charger provides 58.8W of charging power and can be developed for applications where the battery system specifies a 1A charging current.
Higher-current versions such as 58.8V 1.5A, 58.8V 2A, and other configurations can also be evaluated according to battery capacity, BMS limits, thermal requirements, and desired charging time.
See our 58.8V Battery Chargers for related charging platforms.
Portable X-ray equipment does not necessarily use only 4S or 14S lithium battery packs.
A 7S lithium-ion battery has a nominal voltage of approximately 25.9V and commonly reaches 29.4V at full charge. Therefore, a 29.4V charger can be considered for a correctly configured 7S lithium-ion battery system.
However, publicly available portable X-ray specifications show that at least one battery-powered X-ray system uses a 29.9V/1.5A charger rather than 29.4V/1.5A.
This is an important engineering consideration: the charger voltage should always be determined from the actual battery pack and manufacturer's charging specification rather than assumed solely from the nominal number of cells.
For OEM projects, Guangdong QINX can evaluate non-standard charging voltages when the battery specification requires a customized output.
Lithium-ion battery chargers generally use a constant-current/constant-voltage charging method.
During the constant-current stage, the charger supplies the specified charging current while the battery voltage increases.
When the battery reaches the specified charging voltage, the charger transitions into the constant-voltage stage. The charging current then gradually decreases as the battery approaches full charge.
For example, a 4S lithium-ion battery may require a 16.8V maximum charging voltage, while a 14S lithium-ion battery may require 58.8V.
The charger therefore needs to be designed around the battery's actual charging voltage and current requirements.
For a deeper explanation of charging voltage selection, see Battery Charger Voltage Explained.
The DC connector is one of the most important customization requirements for portable X-ray battery chargers.
A charger can have the correct voltage and current but still be incompatible with the equipment if the connector dimensions, polarity, pinout, mechanical interface, or electrical contacts do not match.
Depending on the project, Guangdong QINX can evaluate connector configurations such as:
5.5 × 2.1mm DC connectors
5.5 × 2.5mm DC connectors
5525 connectors with center pin
Circular DC connectors
4-pin circular connectors
Multi-pin connectors
Aviation-style connectors
JST connectors
Molex connectors
Other customized DC connectors
For compact X-ray equipment, a 5525 connector with a center pin can be used when the equipment's charging interface requires this configuration.
For higher-voltage battery systems, circular or multi-pin connectors may be selected to provide a more specialized mechanical and electrical interface.
Connector selection should include confirmation of:
Connector size
Polarity
Pin assignment
Contact current rating
Cable gauge
Cable length
Locking mechanism
Mating connector
Additional signal or sensing pins
Some portable X-ray battery systems require a circular connector rather than a conventional barrel-style DC plug.
Guangdong QINX can customize chargers with multi-pin circular connectors, including 4-pin configurations, according to the equipment manufacturer's specifications.
Not every pin in a multi-pin connector necessarily carries charging power. Depending on the equipment architecture, additional pins may be used for battery identification, temperature sensing, enable functions, communication, or other application-specific requirements.
The exact pinout should therefore be confirmed before engineering and mass production.
Charging current should be selected according to battery capacity and the battery manufacturer's recommended charging rate.
For example:
16.8V 1A = 16.8W
16.8V 1.5A = 25.2W
16.8V 2A = 33.6W
29.4V 1.5A = 44.1W
58.8V 1A = 58.8W
58.8V 1.5A = 88.2W
58.8V 2A = 117.6W
A higher-current charger should not be selected simply because it can reduce charging time. The battery pack, BMS, charging connector, cable, thermal design, and equipment manufacturer must all support the selected current.
This is particularly important for portable X-ray systems because the battery and charging interface are often integrated into a compact enclosure.
Portable X-ray equipment can require reliable charging protection because the charger may be used with dedicated rechargeable battery packs and integrated BMS systems.
Depending on the charger design, Guangdong QINX can support protection features such as:
Over-voltage protection
Over-current protection
Short-circuit protection
Over-temperature protection
Overload protection
Controlled CC/CV charging
Stable output regulation
The final protection configuration depends on the battery chemistry, battery pack design, BMS, charger platform, and application requirements.
The charger should always be used with a battery system that is compatible with its electrical specifications.
Portable X-ray equipment may be deployed across different markets, so universal AC input can be useful for international OEM applications.
Guangdong QINX can provide chargers with AC input configurations such as 100-240V AC, depending on the selected charger platform.
Public specifications for portable X-ray chargers also show examples of wide AC input ranges, including 100-240V AC and other application-specific input ranges. This type of universal input can be useful for portable X-ray equipment intended for international markets.
AC plug options can also be selected according to the destination market, including US, EU, UK, AU and other configurations.
Portable X-ray equipment manufacturers often require chargers that are not available as standard off-the-shelf products.
Guangdong QINX supports OEM and ODM charger development according to customer specifications.
Customization can include:
Output voltage
Charging current
Output power
Battery configuration
CC/CV charging profile
DC connector
Connector pinout
Cable length
Cable gauge
AC input
AC plug
Housing
Label
Brand
Packaging
Protection functions
Certification requirements
For dedicated equipment projects, our engineering team can evaluate the battery specification and determine whether an existing charger platform can be adapted or whether a customized solution is required.
For OEM development, see our Custom Battery Charger solutions.
Portable X-ray systems are part of the broader medical-device power supply market, where reliable power conversion and battery charging are important design considerations.
Guangdong QINX provides power adapters and battery chargers for various medical and specialized electronic equipment applications.
For related applications, see Power Adapters & Battery Chargers for Medical Devices.
The appropriate charger should be selected according to the final equipment design, battery chemistry, electrical specifications, connector requirements, and applicable certification requirements.
Before requesting a charger for portable X-ray equipment, manufacturers should confirm the following information:
Battery chemistry
Battery nominal voltage
Number of cells in series
Maximum charging voltage
Required charging current
Battery capacity
BMS specifications
Charging method
DC connector
Connector pinout
DC cable length
AC input requirement
AC plug type
Required certifications
Desired charging time
Operating environment
Providing these specifications allows Guangdong QINX to identify an appropriate charging platform and evaluate customization requirements.
Guangdong QINX Technology Co., LTD. is a manufacturer of AC/DC power adapters and battery chargers supporting OEM and ODM applications.
Our battery charging solutions can be developed for different lithium-ion battery configurations and application requirements, including compact 16.8V chargers, higher-voltage 29.4V-class solutions, 58.8V chargers, customized charging currents, and application-specific connector assemblies.
Our capabilities include:
Customized output voltage and current
Lithium-ion battery charger development
CC/CV charging solutions
Multiple charger form factors
Customized DC connectors
5525 center-pin connector configurations
Circular and multi-pin connectors
Customized cable assemblies
Universal AC input options
OEM and ODM development
International certification support
Depending on the product and target market, available certification support includes UL, cUL, FCC, CE, UKCA, PSE, SAA, CB, RoHS and DOE Level VI.
It depends on the battery configuration. For example, a 4S lithium-ion battery commonly requires a 16.8V maximum charging voltage, while a 14S lithium-ion battery commonly requires 58.8V. The actual charger specification must be confirmed against the battery and BMS requirements.
A 16.8V charger can be appropriate for a 14.8V nominal 4S lithium-ion battery when the battery is designed for a 16.8V full-charge voltage and the charger uses the appropriate charging profile.
Yes. Publicly available technical specifications for portable dental X-ray equipment include 16.8V 1A charging configurations.
Yes. Guangdong QINX can provide 16.8V 1.5A chargers and customize the DC connector, cable, AC plug, and other specifications according to the equipment requirements.
Yes. Guangdong QINX can customize charger output connectors, including 5525 connectors with center-pin configurations, subject to confirmation of the required electrical and mechanical specifications.
Yes. Guangdong QINX can provide 58.8V 1A charging solutions for compatible 14S lithium-ion battery systems and customize the connector and cable assembly according to the equipment requirements.
Yes. A 4-pin circular connector can be considered for applications requiring a customized multi-pin charging interface. The exact connector model, pinout, polarity, current rating, and additional functions must be confirmed before production.
Yes. Guangdong QINX supports OEM and ODM battery charger customization, including output voltage, charging current, connector, cable, housing, AC plug, label, and certification requirements.
Portable X-ray equipment can use significantly different battery architectures, from compact 4S lithium-ion systems requiring 16.8V charging to larger battery-powered systems requiring approximately 58.8V charging.
Guangdong QINX combines standard charger platforms with OEM customization capabilities to provide application-specific charging solutions for portable, dental, veterinary, and other battery-powered X-ray equipment.
Whether the requirement is a 16.8V 1A charger, 16.8V 1.5A charger with a 5.5x2.5 center-pin connector, 29.4V-class charger, 58.8V 1A charger, 58.8V 1.5A charger, or another customized charging configuration, the final specification should be determined from the actual battery pack, BMS, equipment interface, and manufacturer's charging requirements.
Contact Guangdong QINX to discuss your portable X-ray battery charger requirements and develop a charger matched to your equipment.
