ISDT C4 Air Max 40W Battery Charger

ISDT C4 Air Max 40W – Versatile Battery Charger for Hobby and Workshop

The ISDT C4 Air Max 40W is a compact, intelligent charger for a wide range of rechargeable batteries. It supports various chemistries like NiMH, Li-Ion, LiFePO4 and more, charging batteries from AAA to 21700.

• 4 independent charging slots charge batteries individually or in parallel.
• USB-C power supply for maximum flexibility (powerbank, laptop, adapter).
• Intelligent detection automatically selects the appropriate charge current for each battery.
• 40W total power dynamically distributed across slots for fast charging.
• Compatible with over 20 common battery sizes: AAA, AA, 18650, 21700, 26650 and more.
• Supports Lithium-Ion, NiMH, NiZn, LiFe and other cell types.

What sets the C4 Air Max apart

Unlike simple chargers, the ISDT C4 Air Max features automatic battery recognition and individual charging programs for each cell. The USB-C interface makes it future-proof and suitable for mobile use. The device detects reverse polarity and protects against overcharging.

Ideal for...

This charger is designed for RC hobbyists, electronics enthusiasts, and anyone who needs to charge many different batteries at home. It is also suitable for workshops, laboratories, and training facilities.

How to use the C4 Air Max

Connect the charger to a USB-C power source (adapter or power bank). Insert the batteries into the slots – polarity is marked. The device automatically detects the battery type and starts charging. You can manually adjust the charge current or stop the process at any time. The LED indicator shows the status of each slot.