{"product_id":"aa-battery-15v-alkaline-cell-for-electronics-diy-projects","title":"AA Battery 1.5V Alkaline Cell for Electronics \u0026 DIY Projects","description":"\u003ch1\u003eAA 1.5V Alkaline Battery for Electronics \u0026amp; DIY Projects\u003c\/h1\u003e\n\u003cp class=\"product-lede\"\u003eThis high-quality AA 1.5V alkaline battery provides reliable power for Arduino, ESP32, and Raspberry Pi electronics projects, ensuring stable 1.5V output for prototyping, robotics, and educational kits.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e1.5V (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eAlkaline (Zinc-Manganese Dioxide)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTypical Capacity\u003c\/td\u003e\n\u003ctd\u003e2500 mAh (at 25mA discharge)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e5 years (up to 80% capacity)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e14.5 mm (±0.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e50.5 mm (±0.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e23 g (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCompoden\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino LED Blinker:\u003c\/strong\u003e Use a 4xAA battery holder to power an Arduino Uno and learn basic digital I\/O with a blinking LED.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESP32 BLE Beacon:\u003c\/strong\u003e Build a low‑energy Bluetooth beacon with an ESP32, a single AA battery, and a boost converter module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRaspberry Pi RTC Backup:\u003c\/strong\u003e Keep a Raspberry Pi 4 real‑time clock running during power loss with a single AA cell connected to the RTC module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCBSE Class 12 Physics:\u003c\/strong\u003e Construct series and parallel battery configurations to measure combined voltage and current for practical lab work.\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-lora-sensor-node-kit-transmit-1km-without-wifi\"\u003e\n\u003cstrong\u003eSmart IoT Sensor Node:\u003c\/strong\u003e Design a battery‑powered environmental sensor using an ESP32 in deep sleep, LoRa radio, and one AA battery for a B.Tech final year project.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003ctable class=\"compat-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003cth\u003eLibrary \/ Method\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Uno R3\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003e4xAA pack or boost converter to 5V pin \/ Vin\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Nano\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003e4xAA pack or boost converter to 5V pin\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Mega 2560\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003e4xAA pack or boost converter to 5V pin\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP8266 NodeMCU\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003eBoost converter to 3.3V or 5V pin\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003eBoost converter to 5V pin; or 2xAA in series to 3.3V pin (with caution)\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRaspberry Pi Pico\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003eBoost converter to VSYS (1.8–5.5V)\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRaspberry Pi 4 \/ 5\u003c\/td\u003e\n\u003ctd\u003eYes with condition\u003c\/td\u003e\n\u003ctd\u003eBoost converter to 5V GPIO or USB‑C power input\u003c\/td\u003e\n\u003ctd\u003eN\/A (power only)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWiring and Interface Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the positive terminal (raised nub) to your circuit’s VCC via a battery holder or snap connector, and the negative (flat end) to GND. Never short‑circuit the cell; always use a switch to disconnect when not in use. For voltages higher than 1.5V, wire multiple AA cells in series—four cells produce 6V suitable for Arduino Uno barrels.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq\"\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eCan I power an Arduino Uno directly with one AA battery?\u003c\/h3\u003e\n    \u003cp\u003eNo, a single AA provides only 1.5V while the Uno’s voltage regulator needs at least 7V on Vin or 5V on the USB port. Use at least four batteries in series or a boost converter module.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eHow long will this battery last in a low‑power IoT project?\u003c\/h3\u003e\n    \u003cp\u003eRuntime depends on average current draw; a typical ESP32 weather station sleeping 99% of the time can last 3–6 weeks on a single AA cell.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"@id\": \"https:\/\/compoden.in\/products\/aa-battery-15v-alkaline-cell-for-electronics-diy-projects#product\",\n      \"name\": \"AA 1.5V Alkaline Battery for Electronics \u0026 DIY Projects\",\n      \"description\": \"AA 1.5V alkaline battery for Arduino, ESP32, Raspberry Pi projects. Ideal for DIY electronics, robotics, education kits. From Compoden India. 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