2PCS 30A 12/24V Solar Charger Controller Panel Battery Regulator#
Size: 17.5 14 3.5cm(30A), 21 19.2 4cm(50A), 22.6 20 4.8cm(70A). Overcurrent,short circuit,automatic recovery after protections. The machine can only be used in LEAD-ACID Battery. Temperature Compensation: -3mv/℃/cell.