Can these solar panels be run in series? If so, what is the maximum number of panels I can connect in series?

The maximum number depends on your solar charger. It will list a maximum voltage. Look at the specs and see what the open circuit voltage of the panel is. Then look at your battery charger for the max solar input voltage. It can range quite a bit, so it is very important. Divide the maximum voltage for the charger by the open circuit voltage of the panel. The whole number will be the max number of panels. For instance - If the max input for the charger is 150V and the panel will output 52V open circuit, 150/52 = 2.88. The maximum series panels would be 2. 2 x 52 - 104. As long as that number is at least 20V higher than your battery voltage, you should be golden. Also, look at the short circuit amps to make sure you are under the max current for the charger if you hook your panels in parallel. Series panels add voltage. Parallel panels add current.

Can this do a parallel or serial connection with the ecoflow solar panels?

The working voltage of this solar panel is 18V, which is suitable for your power station. The parallel voltage is unchanged, and the MC4 parallel connector is required. The series voltages are added.

What's the average power output? Seeing most people post between 78-100w. My battery can take up to 200w, wondering if I can hook up 2 of these?

I’ve gotten between 102-95 on mine and yes you can connect two. You would need to buy a Y connecter set.

Will this work with an ebl 300 watt?

The working voltage of the solar panel is 18V, if the power station accepts 18V solar charging, it will be adapted.

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ALLPOWERS SP001 21W Portable Solar Panel Charger

ALLPOWERS SP001 21W Portable Solar Panel Charger

Product ID: 283392741

Details

Brand
ALLPOWERS
Efficiency
High
Included Components
Screw
Material
Silicon ETFE
Product Dimensions
8.66"L x x

⚡21W peak power output

💧Waterproof & durable nylon build

🔋Dual USB-A & USB-C 5V/3A ports

€ 44.50

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Description

☀️ Power your adventures with the sun—because your devices deserve the best charge, anywhere!

DUAL USB CONVENIENCE - Simultaneously charge your phone and gadgets with USB-A & USB-C ports delivering 5V/3A each.
COMPACT READY TO GO - Lightweight foldable design fits effortlessly in your backpack or RV setup.
SUN POWERED EFFICIENCY - Harness 25% conversion efficiency for rapid, reliable charging anywhere.
ANYWHERE ANYTIME POWER - Perfect for camping, balconies, gardens, or emergency home backup—never run out of juice off-grid.
BUILT TO BRAVE THE ELEMENTS - Waterproof, durable nylon casing with surge and short circuit protection keeps you safe outdoors.

The ALLPOWERS SP001 is a 21W foldable solar panel charger featuring industry-leading 25% conversion efficiency, dual USB outputs (USB-A and USB-C at 5V/3A), and a rugged waterproof nylon design. Compact and lightweight, it’s engineered for seamless portability and reliable off-grid power for phones, RVs, camping, and emergency use.

Specifications

ASIN	B0FFGZ3781
Best Sellers Rank	#35,932 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #176 in Solar Panels
Brand Name	ALLPOWERS
Customer Reviews	4.2 4.2 out of 5 stars (2,016)
Efficiency	High Efficiency
Included Components	Screw
Item Dimensions L x W x H	8.66"L x 8.18"W x 0.78"H
Manufacturer	ALLPOWERS
Manufacturer Part Number	AP-SP-026-BLA-US
Material Type	Monocrystalline Silicon, Aluminum, ETFE
Maximum Power	21 watts
Model Number	SP001
Number of Items	1
Output Voltage	5 volts_of_direct_current
Special Features	Portable

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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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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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€ 44.50

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered 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 Ireland.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

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

2 months ago

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Very impressed with the quality and fast delivery. Will shop here again.

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