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Q: Please what is best controller charger & cables to buy- to hook this 100w solar panel into my 1100 watt Krieger inverter & marine deep cycle battery?

There are many brands on the market but we've had a lot of positive feedback on the Victron Energy SmartSolar MPPT charge controllers. They have Bluetooth built-in so from an app on your smartphone/tablet you can monitor the system in detail. With 1x100W panel you could go with the 75/10. If you're thinking of adding more panels you should size a bigger controller. Your panel(s) are going to connect to your MPPT charge controller. Then your controller will connect to your battery bank (via a breaker). This is all DC. Your inverter is separate to the solar and connects to the battery bank to invert DC to AC (probably 110V) In terms of wire size each panel has 17" of 12AWG wire with MC4 connectors built in. Depending on the distance of the wire run you could stay with 12AWG or may have to go to 10AWG for longer distances.

Q: What is the maximum number of these that can be put in parallel?

I believe the maximum number is four. I put three of them in parallel with no problems. Your wires have to be heavy enough to handle the current, and the charge controller must be rated appropriately.

Q: what is the effiency of the panel?

The seller claims they are 23%-25% efficient. There is no way that's true. The most expensive commercial panels are still under 23% efficiency.

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⚡ Flex your power game with SunPower’s sleek, rugged solar panels!

RUGGED RELIABLE - Durable stainless steel grommets and flexible up to 30° to withstand real-world conditions.
TOP TIER SOLAR TECH - Equipped with SunPower’s Gen II back contact cells delivering industry-leading power and charging capacity.
PLUG PLAY EFFICIENCY - Standard IP67 quick-connect cables ensure fast, weatherproof setup without hassle.
POWER MEETS PORTABILITY - Lightweight 4.4 lbs design with flexible polymer build for effortless transport and installation.
INSTALLATION MADE SIMPLE - Comes with an easy-to-follow guide so you’re up and running in no time—no expert needed.

SunPower Accessories offers ultra-lightweight, flexible solar panels featuring 100W maximum power output, IP67-rated quick-connect cables, and durable stainless steel mounting grommets. Designed with advanced Gen II back contact cells, these panels deliver top-tier efficiency and easy installation, perfect for professionals seeking reliable, portable solar solutions.

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Please what is best controller charger & cables to buy- to hook this 100w solar panel into my 1100 watt Krieger inverter & marine deep cycle battery?

Are these panels made with pet/eva or etfe?

What is the maximum number of these that can be put in parallel?

what is the effiency of the panel?

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Material Type	Stainless Steel
Item Weight	4.4 Pounds
Item Dimensions L x W x H	45.9"L x 22.4"W x 0.8"H
Maximum Voltage	21 Volts
Maximum Power	100 Watts
Connector Type	IP67
Standby Power Shutoff	High Efficiency

SunPower Accessories

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