GERIXI / KNOWLEDGE CENTER

Solar Charge Controller Selection

Understand MPPT and PWM charging and match a controller to your solar array and battery.

CONTROLLER SELECTION

Select MPPT or PWM based on panels, battery and charging current.

Controller choice depends on PV open-circuit voltage, battery system voltage, current rating, installation environment and cost target.

MPPT / PWMPV input rangeCharge currentBattery type

Confirm panel VOC and battery voltage first

Size charging current with margin for the system

Choose controller features for the installer or retail channel

Continue with related topics

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Application Guides

Explore off-grid, backup and mobile power configurations.

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THE ESSENTIALS

What to know about solar charge controller selection

Consider panel voltage, charging current, battery chemistry and system voltage when selecting a controller. MPPT and PWM options suit different designs and budgets.

Guides and field insights

Solar panels and charge controller used in an off-grid power system

Controller Selection · Sep 2, 2026

How to Choose a Solar Charge Controller for Different Applications

A practical checklist for matching solar panel voltage, battery type and charging current to the right solar charge controller.

Read guide

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