Efficient power conversion Converts DC 18V20V input to a stable DC 12V output Delivers up to 20A of current and up to 240W of power for demand devices Broad compatibility Compatible with multiple lithium battery models, including FOR 11 1815 and FOR 11 1850 Designed for easy installation and removal, supporting quick setup Enhanced safety features Builtin advanced safety chip protects against over current, over voltage, under voltage, overload, low load, short circuit, and overheating Enables reliable, continual operation with reduced risk of damage to connected devices User friendly design Heatresistant wires for durability Install the battery in the adapter and connect to your device for straightforward use Key attributes Function: DC 1820V to DC 12V conversion with stable output Compatibility: Supports FOR 11 1815, FOR 11 1850 and related lithium battery models Performance: 12V output at up to 20A (up to 240W) Safety: Multiprotection circuitry for reliable operation Build: Designed for ease of use with durable, heatresistant wiring Use scenarios Onsite power for drain 12V devices such as portable lighting, cameras, or monitors powered by 1820V battery packs Remote work or service applications where 12V equipment is needed from FOR 11 1815 or FOR 11 1850 lithium batteries Outdoor or field use to run 12V appliances such as fans, small refrigerators, or displays from compatible battery packs, with integrated safety protections in place