KEHIPI 10PCS 1.5A Multi-Function Mini Boost Module Step Up Board 3.7V to 5V 8V 9V 12V Step Up Board with LED Indicato for DIY Electronic Voltage...

The output voltage can be set to 5V/8V/9V/12V, the default is 12V Input voltage range: 2.5V~VOUT-0.5V You can easily convert a single-cell lithium battery to 5V 8V 9V 12V. The maximum output current reaches 1A. Product size: 22 × 11 × 3.6mm