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  • Ratings Standard Delivery: £5.99
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Q 1. Which battery systems and solar arrays is the SmartSolar MPPT RS 450/100-MC4 compatible with?

A. This controller accepts a maximum PV open-circuit voltage of 450 V and delivers up to 100 A charge current; confirm your battery bank voltage and array configuration match these ratings, then ask Simon if you need further guidance.

Q 2. Does this unit use standard MC4 connectors?

A. Yes — MC4 connectors are integrated into the SCC145110510, allowing direct connection to standard MC4-terminated solar array cables without additional adaptors.

Q 3. What warranty does this product carry?

A. The warranty period shown on the listing applies from the date of purchase and is backed by the manufacturer. Keep your order confirmation as proof of purchase.

Q 4. Who can I ask for technical help before choosing?

A. Ask Simon - send the part number and what you need it to do, and he will point you to the right unit.

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