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.

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.

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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SunPower Accessories

Product ID: 54822969

Details

Brand
Renogy
Efficiency
High
Item Weight
4.4 pounds
Material
Silicon
Product Dimensions
45.9"L x x

⚡100W max power output

🔧Flexible up to 30° for versatile installs

🛡️Rugged Gen II back contact cells resist cracking

฿27950

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Description

⚡ Charge ahead with the flexible power that fits your lifestyle!

BUILT TO LAST - Top-grade polymer materials and corrosion-resistant cells ensure long-term durability
FLEX YOUR ENERGY - Bends up to 30 degrees without compromising efficiency—perfect for curved surfaces
INSTALLATION MADE EASY - Includes adhesive and stainless steel grommets plus a clear step-by-step guide
PLUG PLAY SIMPLICITY - Standard IP67 quick-connect cables for fast, weatherproof setup
POWER MEETS PORTABILITY - Ultra-lightweight 4.4 lbs design for effortless transport and installation

SunPower Accessories offers a cutting-edge flexible solar panel featuring 100 watts of maximum power, lightweight polymer construction, and Gen II back contact cells that deliver superior efficiency and durability. Designed for easy installation with IP67 quick-connect cables and flexible up to 30 degrees, this panel is ideal for professionals seeking reliable, high-performance solar solutions that adapt to any surface.

Specifications

ASIN	B077H45H3F
Best Sellers Rank	#443,402 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,581 in Solar Panels
Brand Name	Renogy
Connector Type	IP67
Customer Reviews	4.5 4.5 out of 5 stars (64)
Efficiency	High Efficiency
Global Trade Identification Number	00816360025917
Included Components	Solar Cables/Connectors
Item Dimensions L x W x H	45.9"L x 22.4"W x 0.8"H
Item Type Name	solar panel
Item Weight	4.4 pounds
Manufacturer	Renogy
Manufacturer Part Number	SPR-OS-FLEX-100
Material Type	Monocrystalline Silicon
Maximum Power	100 watts
Maximum Voltage	21 volts
Model Number	SPR-OS-FLEX-100
Special Features	High-efficiency Gen II back contact cells, lightweight and flexible design, resistance to power loss via cracking and corrosion

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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฿27950

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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1 month ago

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