{"product_id":"esp32-development-board-battery-holder","title":"ESP32 development board Battery holder","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe ESP-WROOM-32 Development Board with 18650 Battery Holder is a WiFi and Bluetooth board for portable IoT and wireless projects. It combines an ESP32 module with an onboard 18650 lithium battery holder, making it useful for battery-powered builds without needing a separate power bank.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis board supports 2.4GHz WiFi and Bluetooth v4.2, including BLE. It also has 4MB SPI flash, full ESP32 pin breakout, and a power switch for easy control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe built-in charging circuit supports 0.5A charging current and 1A output. It also includes charge indicator LEDs, overcharge protection, and over-discharge protection for safer battery use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eESP-WROOM-32 \/ ESP-32S based board\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt-in WiFi and Bluetooth support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth v4.2 BR\/EDR and BLE\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2.4GHz WiFi, 802.11 b\/g\/n\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntegrated 4MB SPI flash\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOnboard 18650 lithium battery holder\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt-in 18650 charging circuit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e0.5A charging current\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1A output\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCharge indicator LED\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower ON\/OFF switch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOvercharge and over-discharge protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFull ESP32 pins breakout\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports AP, STA, and AP+STA modes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGood for portable IoT, sensors, and wireless control projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":53066247799073,"sku":"494","price":768.0,"currency_code":"PHP","in_stock":true}],"url":"https:\/\/circuit.rocks\/products\/esp32-development-board-battery-holder","provider":"circuitrocks","version":"1.0","type":"link"}