2S Li-ion 18650 Lithium Battery Charger Protection Board 7.4V 6A Specification Maximum sustained discharge current: 6A Size:17x34mm Package included 1

Mini RS232 to MAX3232 TTL Converter Adapter Module It is suitable for RS2323 serial communication at TTL voltage levels of

Specifications Voltage measurement range: 0.0V-100V DC Power supply range: DC 4-30.0V Working current: < 20mA Display color: Blue Dimensions: 30