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AJMRTC lithium expansion board V3 is a practical power expansion accessory for WEMOS ESP32 development boards. It comes with dedicated battery holder to install lithium battery, turning your ESP32 setup into a portable mobile power supply unit. Adopting SMD component layout, this module provides stable multichannel output including 2A, 3V and 1A to power various external sensors and peripherals. It integrates complete chargedischarge protection circuit for lithium batteries, effectively avoiding risks of overcharging, overdischarging and shortcircuit. Simple stacking installation matches WEMOS ESP32 hardware structure. Great for portable IoT prototypes, fieldtest electronic projects and handson maker development work.
SpecificationsModule Version: V3 Applicable Mainboard: WEMOS ESP32 Battery Form: Lithium Battery with Holder Output Current: 2A, 3V, 1A Circuit Type: SMD Layout Core Function: Lithium Battery Charge & Discharge Management Application: ESP32 Portable Power Supply, IoT DIY Maker Project Installation Method: Stackon Expansion Board