Model: powmr 40a rbl series
controller type: varies by version (standard pwm vs. hybrid mppt/keeper models)
system voltage: 12v/24v auto-sensing
rated current: 40 amps (charge)
max solar input voltage:
pwm version: ~46v
hybrid/keeper mppt version: up to 100v
max solar panel power:
12v system: ~480w
24v system: ~960w
battery compatibility: lead-acid (sealed, gel, flooded/open, agm) and lithium (on hybrid models)
outputs: dual 5v usb ports (up to 3a)
display: lcd screen
protection features: comprehensive electrical protection including short-circuit, reverse polarity, and overload safeguards