Amazon.com: Digital Low Voltage Protector Disconnect Switch Cut Off 12V Over-Discharge Protection Module for 12-36V Lead Acid Lithium Battery Low Voltage Cutoff for Solar Panel Lighting System Camper : Electronics
High Rate Discharge LiPo Battery LPHD4019035 3.7V 160mAh 0.59Wh with 1.5A protection circuit and wires 20mm