{"title":"2-Way 18650 Battery Holder","handle":"2-way-18650-battery-holder","url":"/products/2-way-18650-battery-holder","description":"A dual-slot 18650 battery holder with built-in charging and regulated power outputs, perfect for powering microcontrollers, sensors, and portable electronics projects. Simply install two 18650 lithium batteries and use the multiple 5V and 3.3V output ports to run your devices.\n\nThe holder features both Micro-USB and USB-C charging inputs, overcharge and over-discharge protection to extend battery lifespan, and a DIP switch to select between Normal and Hold output modes.\n\nKey Features\n\n\nDual 18650 Battery Slots – Install two 18650 lithium cells for extended runtime\n\nDual Charging Input – Micro-USB and USB-C inputs for flexible charging\n\nMultiple Outputs – 5× 5V/2A ports, 5× 3.3V/1A ports, and 1× USB output\n\nBattery Protection – Built-in overcharge and over-discharge protection\n\nOutput Mode Switch – DIP switch for Normal (auto-shutdown at low current) or Hold (continuous output) modes\n\nLED Indicator – Blinks while charging, stops blinking when fully charged\n\n\nSpecifications\n\n\n5V Output: 2A (maximum 3A)\n\n3.3V Output: 1A\n\nCharging Input: Micro-USB and USB-C\n\nOutput Ports: 5× 5V, 5× 3.3V, 1× USB\n\nProtection: Overcharge and over-discharge\n\nBattery Type: 18650 lithium (not included)\n\n\nIdeal For\n\nPortable power for Arduino, Raspberry Pi, and microcontroller projects\nOutdoor equipment and field data logging\nDIY smart vehicles and robotics\nMobile sensor stations and IoT devices\n\n\nPackage Contents\n\n1× 2-Way 18650 Battery Holder\n\n\n\nWarning: Pay close attention to battery polarity when installing — the + and − markings are clearly printed on the board. Inserting batteries in the wrong direction will damage the module. The maximum output current is 3A, but sustained use at 3A is not recommended. Actual output depends on the quality of the 18650 batteries used.\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":2000,"title":"Default Title","sku":"DF-DFR0969","price":18.77,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":632,"option1":"Default Title"}]}