Faster, Smaller, and Smarter.

Still using AA batteries for your Spektrum DX Radio or FrSky QX7? Sick of constantly buying batteries or searching all over at shows for replacement batteries because your batteries have died? Grab some rechargeable batteries and save yourself some time and money with the iSDT A4 charger!

Convenient Operation

The charger is perfectly compatible with phone power adapters, USB ports, portable power banks and car chargers, auto-matching with the USB charging device’s output power.

Fast charging is possible when combined with a QC adapter.

Multifunction Charger

Featuring automatic battery type identification, the A4 auto-assigns the optimal charging algorithm for your batteries. Fully compatible with NiMH, NiCd, Li-lon and LiFePO4 batteries.

Full Color LED Status Indicator

Battery level, type, operation mode and information are shown clearly by full color LED indicators.

Four Full-Time Independent Charging Channels

Compact but intricate, the A4 boasts four real independent channels for intelligent current regulation and supports hybrid charging of different types and sizes of batteries.

Integrated Protection Design

The A4 utilizes innovative battery performance detection mechanisms, intelligent power allocation, and auto-adjusting charging parameters to provide a safe and efficient charging experience.

All-Powerful USB Port

The Micro USB port can also be used to connect to a PC to update firmware and set additional parameters.

Specifications:

Batteries not included.