1SUPPORT MODES: The boost converter module supports automatic PFM operating mode under light load and pass through mode under VIN>VOUT, meeting the needs of more applications. 2CIRCUIT GUARD: This voltage regulator supports true disconnection of input and output during shutdown, with output overvoltage and thermal shutdown guard, and output short circuit guard. 3EXCELLENT CHIP: This step up module uses excellent for TPS61023 chip, which has high thermal efficiency, compact size, and almost integrates all functions, including double 3A MOSFET switches. 4INPUT AND OUTPUT: Input 25VDC on one side and obtain a power supply of up to 5V 1A on the other side. This voltage converter is compact and practical, greatly improving work efficiency. 5APPLICABLE SCENES: When you need a large amount of 5V power supply, this boost module can come in handy and is very suitable for battery power projects with 2S or 3S alkaline batteries or a single lithium battery. 1 x Boost Module 1 x Pin Header