€ 320,-: 30A-Ladebooster + 20A MPPT-Solar + Bluetooth + Display +

PowMr Solar Charge Controller MPPT 20A 30A 40A 12/24V Battery Auto

HQST MPPT Charge Controller applied Advanced Maximum Power Point Tracking (MPPT) technology to help regulate the power from your solar panel to battery with efficiency no less than 99.5%. This 20 Amp MPPT solar regulator adopts high quality components with maximum conversion efficiency of 98%. The MPPT battery charging can greatly increase the lifetime of your battery and has various unique functions and quite easy to use features.

Hqst MPPT Solar Charge Controller 20 Amp Negative Grounded Controller with Bluetooth LCD Display, 12V/24V DC Input Solar Panel Regulator for Gel

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【Dual USB 30A MPPT Solar Charge Controller】The solar controller adopts the latest MPPT charging algorithm, Technology high tracking efficiency up to

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€ 320,-: 30A-Ladebooster + 20A MPPT-Solar + Bluetooth + Display +

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PowMr Solar Charge Controller MPPT 20A 30A 40A 12/24V Battery