solar panel: Instapark® SML-20 PWM 20 Amp Solar Power Charge Controller, 300 Watt at 12V / 600 Watt at 24V

Instapark® SML-20 PWM 20 Amp Solar Power Charge Controller, 300 Watt at 12V / 600 Watt at 24V

List Price: $54.99

PWM (Pulse Width Modulation) technology with temperature compensation protects battery from over-charging and excessive discharging.Battery charge status three LED indicators, 75%Suitable for both sealed and flooded lead-acid batteries & automatic voltage

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