The M5Stack Atomic Battery Base is a compact and efficient rechargeable power supply module tailored for the M5Stack Atom series. Designed to deliver reliable energy for your M5Stack-based projects, it includes a 200mAh lithium battery with stable 5V boosted output, making it ideal for IoT and portable applications. Powered by the ETA9085E10 boost converter and LGS4056HDA linear charging chip, the M5Stack Battery Base ensures safe and efficient charging. It features a battery voltage detection circuit and LED level indicators to show real-time status. The onboard DIP switch supports one-touch toggling between charging and boost modes—perfect for rapid prototyping and mobile development with M5Stack devices. Key Features Designed for M5Stack Atom series ETA9085E10 high-efficiency boost converter LGS4056HDA linear charging management chip Built-in 200mAh lithium rechargeable battery LED battery level and charging status indicators DIP switch for easy boost/charge mode switching Technical Specifications Specification Parameter Charging/Discharging Chip LGS4056HDA Boost Converter Chip ETA9085E10 Battery Indicator 4-level red LED Charging Indicator Blue (charging), Green (full) Battery Capacity 3.7V @ 200mAh Voltage Detection Circuit Included (divider-based) Charging Current 5V @ 223mA Boost Output Current Max 5V @ 300mA Standby Current 4.2V @ 2.55µA Operating Current 4.2V @ 39.55mA Temperature Range 0°C ~ 40°C Product Size 24.0 x 24.0 x 23.95 mm Product Weight 9.4g Package Size 47.0 x 46.0 x 27.0 mm Gross Weight 15.8g Applications Power supply for M5Stack IoT devices Portable electronics powered by M5Stack Mobile development and testing platforms Embedded systems using the M5Stack Atom Includes 1 × M5Stack Atomic Battery Base Compatibility Note This M5Stack Battery Base is compatible with most Atom series products. If used with M5Stack Atom Echo Base, cut all right-side pins. If used with M5Stack Atom-Echo, cut the G33 pin.In both cases, it acts as a power supply only and cannot read battery voltage. Charging/Discharging Instructions Refference M5Stack Atomic Battery Base (200mAh) ETA9085E10
