GWL/Power PWM Solar Regulator 12V, 3 A (Input max 18V)
GWL Group on Twitter: "Upgrade your SLA battery, 12V LiFePO4 with Bluetooth and PCM protection. https://t.co/9rDiB806Kb https://t.co/M8zbY7nz4u" / Twitter
GWL - Largest lithium phosphate battery distributor in Europe | Czech Sustainable Houses