I have a 300w grid tie invertor, can this (or 3 of them) connect directly to it?

Yes it can, connect three of these in parallel and your grid tie inverter would need to accept 12V panels which can output up to 18V.

The quoted optimum quoted is 2.71a for 50W panel, but what should I expect on a sunny and cloudy day?

Most of the time these ratings are based on 1000W/m^2 sun output. This is typically only achievable in hot places like near the equator. There are calculators online to calculate panel efficiency based on your geographical location and the time of year.

Which cable connecting kit do i need for 3 of these please anyone??

You do get a 3 connection to one cable on here. It will take 3 leads for 3 solar panels 12v down to one 12v cable and in to your inverter or usb converter

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Renogy 50 Watt Solar Panel 12 Volt Monocrystalline Module PV Charger for Motorhome, Garden, Boat, Caravan and Off-Grid Applications

Renogy 50 Watt Solar Panel 12 Volt Monocrystalline Module PV Charger for Motorhome, Garden, Boat, Caravan and Off-Grid Applications

Product ID: 149342235

Details

Brand
Renogy
Efficiency
High
Item weight
7.72 Pounds
Material
Silicon
Product dimensions
126.2L x 76.4W

⚡50W max power output

🔋25-year power output warranty

🌬️2400Pa wind & 5400Pa snow load resistance

₱18327

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Description

☀️ Harness the sun, own your off-grid adventure!

POWER YOUR FREEDOM - 50W high-efficiency monocrystalline cells deliver reliable energy wherever you roam.
SHADE NO PROBLEM - Bypass diodes optimize performance even in low-light or shaded conditions—never miss a watt.
PLUG PLAY SIMPLICITY - Pre-drilled mounting holes and MC4 connectors make installation fast and hassle-free.
LONG TERM PEACE OF MIND - Backed by a 25-year power output warranty and corrosion-resistant frame for lasting outdoor use.
BUILT TO BRAVE THE ELEMENTS - Engineered to withstand fierce winds and heavy snow, ensuring durability for decades.

The Renogy 50 Watt 12 Volt Monocrystalline Solar Panel combines high-efficiency solar cells with rugged durability, featuring advanced encapsulation, bypass diodes for shade tolerance, and a corrosion-resistant aluminum frame. Designed for versatile off-grid applications like motorhomes, boats, and caravans, it supports easy installation with pre-drilled holes and offers a 25-year power output warranty, making it a reliable energy solution for the modern adventurer.

Specifications

ASIN	B07HR6KDW1
Amperage Capacity	2.9 Amps
Best Sellers Rank	3,093 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 17 in Monocrystalline Solar Panels
Brand	Renogy
Connector Type	MC4
Country of Origin	China
Customer Reviews	4.4 out of 5 stars 246 Reviews
Efficiency	High Efficiency
Global Trade Identification Number	00810081408783
Included Components	1X 50W Solar Panel
Included components	1X 50W Solar Panel
Item Dimensions L x W x H	126.2L x 76.4W x 3H centimetres
Item Weight	7.72 Pounds
Item weight	7.72 Pounds
Manufacturer	Renogy
Material	Monocrystalline Silicon
Maximum Power	50 Watts
Maximum Voltage	12 Volts
Model Number	RNG-KIT
Output Voltage	12 Volts (DC)
Part Number	RNG-50D-SS
Product dimensions	126.2L x 76.4W x 3H centimetres
Special Features	Advanced encapsulation material with multilayer sheet lamination, bypass diodes
Unit Count	1.0 count
Upper Temperature Rating	85 Degrees Celsius

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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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₱18327

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered 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 Philippines.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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