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
![](data:image/svg+xml;charset=utf-8,<svg height="1120px" width="4477px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
Refference
M5Stack Atomic Battery Base (200mAh)