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MPPT solar charger manual

2. Introduction

The Victron Energy BlueSolar charge controller is an ultra fast Maximum Power Point Tracking (MPPT) solar charger with an outstanding conversion efficiency and is suitable for a wide range of battery and PV voltages.

2.1. Battery voltage, PV voltage and current rating

The solar charger can charge a lower nominal-voltage battery from a higher nominal voltage PV array. The controller will automatically adjust to the battery voltage and will charge the battery with a current up to its rated current.

The product name of the solar charger incorporates the maximum PV voltage and the maximum battery charge current.

For example: A 150/70 model has a maximum PV voltage of 150V and can charge the battery with a maximum of 70A.

The table below indicates the maximum PV voltage and maximum battery charge current of the solar chargers that are covered by this manual:

Solar charger model

Maximum PV voltage

Maximum battery charge current

Suitable battery voltages

MPPT 150/70

150V

70A

12, 24, 36 and 48V

MPPT 150/85*

150V

85A

12, 24, 36 and 48V

MPPT 150/100*

150V

100A

12, 24, 36 and 48V

MPPT 250/70

250V

70A

12, 24, 36 and 48V

MPPT 250/85

250V

85A

12, 24, 36 and 48V

MPPT 250/100

250V

100A

12, 24, 36 and 48V

*Please also see the notice for MPPT 150/85 and 150/100 in the technical specifications chapter.

2.2. TR or MC4 model

The solar charger is available in two different models, namely:

  • The TR version - The PV terminals are screw terminals

  • The MC4 version - The PV terminals are MC4 terminals

The 70A MC4 model has 2 MC4 male and female connector pairs.

The 85A and 100A MC4 models have 3 MC4 male and female connector pairs.

MPPT_TR_and_MC4.svg

From left to right: Example of solar chargers with screw terminals and MC4 PV connections