ISDT A4 Air — Compact 4-Slot Smart Battery Charger
The ISDT A4 Air is a compact and intelligent smart charger designed for everyday rechargeable cylindrical batteries. With four independent charging channels, USB-C power input and automatic battery type recognition, the A4 Air is a practical charging solution for home, workshop, travel and hobby use.
The charger is compatible with common USB power sources, including phone power adapters, USB ports, portable power banks and car chargers. It automatically matches the available output power of the connected USB device, while fast charging is possible when used with a compatible QC adapter.
Despite its small size, the ISDT A4 Air offers four fully independent charging channels. Each slot can regulate the charging current intelligently, allowing different compatible battery types and sizes to be charged at the same time. This makes the charger ideal for users who regularly work with different rechargeable batteries.
The A4 Air supports NiMH, NiCd, Li-Ion and LiFePO4 batteries, including AAA, AA, 10500 and 12500 battery sizes. It automatically identifies the battery type and applies the appropriate charging algorithm for safe and efficient charging.
Clear full-color LED indicators show important information such as battery level, battery type and operating mode. This allows users to follow the charging process quickly and easily at a glance.
For safe operation, the charger uses an integrated protection design with battery performance detection, intelligent power allocation and automatic charging parameter adjustment. Compact, lightweight and easy to use, the ISDT A4 Air is a smart everyday charger for rechargeable batteries used in transmitters, accessories, tools, toys and portable devices.
Key Features:
- Compact 4-slot smart battery charger
- Four independent charging channels
- USB-C power input
- Compatible with phone adapters, USB ports, power banks and car chargers
- Fast charging support with compatible QC adapter
- Automatic battery type identification
- Intelligent charging algorithm matching
- Supports NiMH, NiCd, Li-Ion and LiFePO4 batteries
- Compatible with AAA, AA, 10500 and 12500 battery sizes
- Hybrid charging of different compatible battery types and sizes
- Full-color LED status indicators
- Battery level, battery type and operating mode indication
- Intelligent current regulation per slot
- Integrated battery protection design
- Compact and lightweight design
- USB Type-C cable included
Technical Specifications:
|
| Model | A4 Air |
| Input power | DC 5–9V / 1.5A |
| Maximum charging power | 10W |
| Maximum charging current | 1.0A per slot |
| Battery sizes | AAA, AA, 10500, 12500 |
| Supported battery types | NiMH, NiCd, Li-Ion, LiFePO4 |
| Input connection | USB-C |
| Operating temperature | -10°C to 40°C |
| Dimensions | 59 x 63 x 25 mm |
| Weight | Approx. 36 g |
Package Content:
- 1 x ISDT A4 Air Smart Charger
- 1 x USB Type-C Cable
Not Included:
