M5Stack Atomic Battery Base 3.7 V 200 mAh

The M5Stack Atomic Battery Base is a compact battery base for the ATOM system, equipped with an integrated 3.7 V LiPo battery with a capacity of 200 mAh. It is specifically designed for the mobile use of ATOM Lite, ATOM Matrix, or ATOM S3. Through the integrated stack contacts, the module can be directly connected to an ATOM module – without any additional wiring. A physical slide switch allows turning the power supply on and off. To monitor the charging status, the unit has four status LEDs (25%, 50%, 75%, 100%). Charging is done via the USB-C port. Due to its compact design and easy handling, the Atomic Battery Base is ideal for portable applications, wireless sensor systems, or embedded projects with low energy requirements. The module can be easily integrated into existing projects and provides a practical solution for mobile power supply.

Features:

• The built-in LiPo battery provides 3.7 V with a capacity of 200 mAh.
• Connection is via stack pins – no cable needed.
• A side ON/OFF switch allows targeted energy management.
• Four charge status LEDs indicate the current battery level.
• Charging via the USB-C port is directly possible.
• The base is fully compatible with all ATOM modules from M5Stack.
• The casing is compact and fits perfectly under an ATOM module.
• Suitable for mobile or stand-alone power applications.

Application Examples:

• Mobile data loggers based on ATOM
• Portable sensor or actuator modules
• Compact control units in temporary installations
• Wireless measurement setups with limited power supply
• Test devices and demos without a stationary power source

Documentation:

• M5Stack Wiki
• Official M5Stack Forum

Technical Data:

• Manufacturer: M5Stack
• Manufacturer SKU: A151
• Battery Type: Lithium Polymer
• Capacity: 200 mAh
• Nominal Voltage: 3.7 V
• Charging Port: USB-C
• LED Display: 4 status LEDs (25%, 50%, 75%, 100%)
• On/Off Switch: Mechanical, side
• Compatibility: ATOM Lite / Matrix / S3
• Dimensions: 24.0 x 24.0 x 23.9mm
• Weight: 16g

Scope of Delivery:

• 1× M5Stack Atomic Battery Base (3.7 V 200 mAh)