Battery Charger Panel

Industrial Battery Charger Panels for Reliable DC Power Systems

A battery charger panel is the rectifier-and-control assembly that converts AC to tightly regulated DC to float-charge a stationary battery bank and simultaneously supply the DC load.

Representative Charger Specifications

Item	Index			Test condition
Item	Min	Representative value	Max	Test condition
Input voltage range (VAC)	300	380	456	Output 240ADC, full load
Output adjustable range (VDC)	180	230	300	Input 380DAC, full load
Stabilized voltage accuracy		0.01%	0.5%	Output 198-286VDC, 20-100% load, input 300-456VAC
Stabilized current accuracy		0.08%	0.5%	Output 198-286VDC, 20-100% load, input 300-456VAC
Dynamic effect	12uS	50uS	100uS	Rated output 20-75% load jump
Charger efficiency	88%	90%	91%	Output 300V, 5A
Max hearable noise (dB)		50	60	Full load, environment noise 40dB
Storage temperature (℃)	-40	35	60
Service environment temperature (℃)	-15	25	45	Output 240V, 20A
Wide frequency stray noise (mV)	18	25	40	Rated input and output, resistance load
Peak stray noise (mV)	100	300	400	Rated input and output, resistance load
Parallel asymmetric current degree	±0.5%	±2%	±5%	Rated input and output, monitor the balance current
Starting delay (second)	1	2	3
Ripple factor	0.01% to 0.1%			Frequency width 0-20MHz
Dielectric strength	1500VAC 50Hz			Time 1 minute, leak current 10mA
Inner radiator temperature rise	≦25℃			Environment temperature 45℃
Load class	Continuous working whenⅠclass(100%)rated output current			In floating charge voltage range
Automatic current limitation characteristic	Output current exceeds 112% of the rated current			Constant power protection, the output current won't increase and DC voltage reduces.
Input over voltage protection	Input voltage setting value(456±5VAC), automatically close the rectifier. Lightning stroke transient over voltage adopts HARRIS special lightning arrestor for elements.			Automatically return after the voltage is normal. The over voltage value can be set(be set when the output is no-load)
Output over voltage protection	Automatically stops outputting when output voltage exceeds 328±3VDC to avoid the device damage.			Automatically return after the voltage is lower than the over voltage value. The over voltage value can be set.
Output short circuit protection characteristic	In any input voltage, output voltage and load conditions, the output short circuits because of the fault.			Automatically return to normal operation after troubleshoots.

Battery Charger Panel Configurations

01.

Single Charger System:

One charger supplies the DC bus and maintains the battery. Suitable when a single unit meets capacity and redundancy needs.

02.

Dual Charger System:

Two chargers in the same DC system improve availability and flexibility, supporting redundant charging, load sharing, standby operation, and maintenance without full system shutdown.

03.

Charger + Battery System:

A complete DC power package integrating charger, battery bank, DC distribution, protection, monitoring, and alarms. Ideal for project-based procurement requiring a total solution.

04.

Battery & Charger Panel:

Integrated panel/cabinet arrangement simplifying installation, wiring, commissioning, maintenance, and documentation. Final layout depends on battery size, charger capacity, dimensions, and project needs.

Battery Charger Technologies

High-Frequency Switching Charger:

Switch-mode charging technology provides a compact and efficient solution for many industrial DC applications. Potential advantages include high conversion efficiency, compact construction, fast dynamic response, flexible output control, and lower equipment weight.

Thyristor / SCR Charger:

Thyristor-based chargers are commonly used in industrial and utility DC systems where robust construction and long-term operation are priorities. They can be suitable for substations, power plants, industrial facilities, and heavy-duty applications.

Battery Compatibility

Lead-Acid Batteries:

Suitable charger settings can be configured for flooded lead-acid batteries, valve-regulated lead-acid batteries, and other approved lead-acid configurations. Charging voltage and current settings must match the battery manufacturer's requirements.

Nickel-Cadmium Batteries:

Ni-Cd batteries are commonly used in applications requiring robust performance and long service life under demanding operating conditions. The charger must use the appropriate charging characteristics for the selected Ni-Cd battery system.

Lithium Battery Systems:

Lithium battery systems require charging parameters and protection strategies appropriate to the specific battery chemistry and BMS architecture. Where lithium batteries are used, the charger and battery management system should be evaluated as an integrated system.

Battery Charger Panel for Critical DC Loads

01/

Substation Applications: Provides DC power for circuit breaker operation, protection relays, switchgear control, alarm systems, remote control, and communication equipment.

02/

Power Plant Applications: Supplies DC power for generator control, protection systems, switchgear, control systems, emergency systems, and plant monitoring.

03/

Industrial Facilities: Used for electrical protection, motor control, switchgear operation, automation systems, and emergency control in industrial plants.

04/

Mining & Metallurgy: Supports electrical equipment operating in demanding environments where reliable auxiliary DC power is essential.

05/

Railway & Transportation: Powers substations, signaling equipment, control systems, communication, and emergency systems. Voltage and configuration must comply with railway electrical standards.

06/

Renewable Energy: Integrated into solar plants, wind farms, energy storage facilities, and renewable substations. Charger configuration must align with the project's overall DC and storage architecture.

Quality Control & Testing

Incoming Component Inspection :

Critical components verified against approved specifications.

Cabinet Inspection :

Checks dimensions, door operation, surface finish, cable entry, earthing, and component mounting.

Electrical Wiring Inspection :

Control and power wiring verified against approved electrical drawings.

Charger Functional Test :

Tests output voltage, current, regulation, current limiting, charging, and protection functions.

Alarm Test :

Verifies applicable alarm functions.

Communication Test :

Checks specified interface and communication functions where included.

Protection Test :

Tests applicable protection functions under defined conditions.

Final Inspection :

Before shipment, checks model, configuration, component identification, wiring, labels, documentation, and packaging.

Company Strength

Founded in March 2000, Worldwide Electric Group is a leading high-tech enterprise in China's electrical industry. Headquartered in Xiangyang City, Hubei Province, our 200,000+ m² facility houses specialized workshops for electrical assembly, mechanical processing, and photoelectric products. With a total investment of USD 100 million, we are a key player in motor control and power-saving solutions.

Packaging & Shipping

Packaging Options

Export Wooden Case: Suitable for complete charger cabinets and long-distance international shipments.
Reinforced Pallet: Suitable for appropriately sized panel or cabinet shipments.
Moisture Protection: Additional protective packaging can be used for sea freight and humid transportation environments.
Component Protection: HMI panels, meters, communication interfaces and other sensitive components are protected against impact during transportation.

Shipping Methods

Sea Freight: Suitable for complete battery charger panels, cabinets and project orders.
Air Freight: Suitable for urgent replacement equipment and selected smaller shipments.
Rail Freight: Available for selected international routes.
Truck / Multimodal Transportation: Available according to destination and project logistics.

Certificates

Depending on the product and project, documentation includes:

ISO9001

CE Declaration

IEC 62271-1

IEC 62271-100

IEC 62271-200

IEC 60529

FAQ

Q: What is a battery charger panel used for?

A: An industrial battery charger panel maintains a stationary battery and supplies regulated DC power to critical loads.

Q: Does the charger supply the DC load while charging the battery?

A: Yes.In a typical stationary DC system, the charger supplies the connected DC load while maintaining the battery at the required charging condition.

Q: How do I calculate the required charger capacity?

A: The charger capacity should consider:continuous DC load + required battery charging current + applicable design margin.For large or critical systems, the calculation should be based on the actual DC load profile and battery recharge requirements.

Q: Can the battery charger operate continuously?

A: Yes.Industrial battery chargers are designed for continuous operation and can supply the DC load while maintaining the battery.

Q: Can you provide dual battery chargers?

A: Yes, where supported by the selected configuration.Dual chargers can be used for redundancy, load sharing or maintenance flexibility.

Q: What is the typical lead time?

A: For standard configurations with confirmed technical specifications, a typical production lead time is 5–10 working days after technical approval and advance payment.Customized systems, dual-charger configurations and project-specific documentation may require 15–30 working days.

Q: What is the MOQ?

A: For industrial battery charger panels, orders are normally quoted according to the required charger system, cabinet quantity or project scope rather than a consumer-product MOQ.

Q: What payment terms do you accept?

A: For international orders, T/T bank transfer is commonly used.A typical arrangement is:
30% advance payment → production
70% balance → before shipment

As one of the most professional battery charger panel manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy advanced battery charger panel at competitive price from our factory.