Ni-MH / Ni-Cd Chargers
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Ni-MH and Ni-Cd chargers guarantee safe and fast restoration of power elements.
Compact nickel-metal hydride chargers (such as N201 or N402) are adapted to service classic AA and AAA batteries, as well as 9V Krona blocks. The automatic shutdown function protects 1.2V elements from thermal degradation. Connection via a modern USB-C port or classic alternating current makes these stations easy to use in both the office and at home. Clear LED indications show the status of each slot.
Physical and technical advantages:
- 1.48V stability: A safe break prevents the degradation of the metal hydride composition.
- Compact dimensions: Allows the station to be used freely in tight workspaces and on the go.
- Wide input: USB Type-C ensures easy integration with modern networks.
Compact solutions provide the security that classic power sources will be ready for work without burnout and excessive heating. If your workshop or company frequently uses more powerful, lithium-based elements, also take a look at the specialized Li-Ion Chargers. Safety standards require the use of only certified and tested elements in the equipment. Properly selected components that meet technical specifications significantly extend the operating cycle of the hardware in extreme working conditions. Careful selection of materials and engineering during the manufacturing process ensure maximum reliability and safety in all technical application scenarios. This analytical approach is fundamental to today's demanding industrial needs, where there is no room for error and where energy efficiency is always a primary requirement for any reliable system. This allows for significant resource savings in the long run, guaranteeing safety.
Q: How does the -ΔV (Negative Delta V) charge termination mechanism work in Ni-MH / Ni-Cd battery chargers?
Q: Why is it recommended to use a pulsating current with a Trickle Charge function for charging Mignon (AA) and Micro (AAA) Ni-MH batteries?
Q: What is the difference between Ni-Cd and Ni-MH battery charging modes and preventing the Memory Effect?
Q: How long is the working life of Ni-MH battery chargers and their safe indoor operation?
Q: Why do some Ni-MH chargers refuse damaged or heavily worn AA/AAA accumulators?
A: When a Ni-MH cell reaches 100% capacity, its terminal voltage momentarily drops by -5 mV to -10 mV. The microprocessor registers this voltage drop (-ΔV) and instantly terminates the fast charge, switching to a maintenance pulse mode (Trickle Charge). This precise measurement method prevents overheating and electrolyte evaporation in 1.2V Ni-MH cells.
Q: Why is it recommended to use a pulsating current with a Trickle Charge function for charging Mignon (AA) and Micro (AAA) Ni-MH batteries?
A: The pulsating Trickle Charge current compensates for the natural self-discharge of Ni-MH electrochemistry after the main charging phase ends. The micro-current supply integrated into VIDEX Ni-MH chargers keeps the accumulators 100% ready for use without raising the cell temperature above +30°C.
Q: What is the difference between Ni-Cd and Ni-MH battery charging modes and preventing the Memory Effect?
A: Ni-Cd accumulators have a pronounced memory effect, requiring a complete discharge down to 1.0V before charging, whereas in the latest Ni-MH elements, this problem is virtually eliminated. Therefore, specialized Ni-MH/Ni-Cd chargers include an automatic Discharge function that ensures cell voltage equalization prior to the charging cycle.
Q: How long is the working life of Ni-MH battery chargers and their safe indoor operation?
A: Integrated protection circuits against overvoltage and short circuits ensure the charger electronics' resource lasts for more than 5 years. The chargers' plastic casing is made of fire-resistant polycarbonate (UL94 V-0 standard), ensuring safe operation from a 230V AC mains supply.
Q: Why do some Ni-MH chargers refuse damaged or heavily worn AA/AAA accumulators?
A: If the battery's internal resistance exceeds 500 mΩ due to wear or its voltage fails to rise above 0.5V, the microprocessor classifies the cell as defective. The charger stops the current supply and displays an error message (DEF / Err) on the screen or via an LED indicator, preventing dangerous cell heating.
