If I bought 48 of these, (to equal 240 volts) and bought an inverter, could I power a house?

No. These are the size of a business card. Although they may generate up to 5 volts of peek power, they are only producing .003 amps of steady current. So 48 of these will produce 1.44 amps of current. The smallest breaker in most electric panels is 10 amps and you would be producing just over 1 amp. ****** These panels are made for small toys or small learning projects not large scale applications.

Are these sealed, waterproof?

Yes, they appear to be water tight although I have never got them wet. However, I found that I needed 3 of these small rectangular collectors wired in parallel to get the 30mA in short circuit 'no load' formation. I couldn't make the trio budge a small 3V electric motor in full sunlight.

How long does it take to charge?

Nothing is 100% efficient, but your starting point would be to multiply 5V and 30mA (150VmA). That'd be 1.5VA if you're using all 10 panels. Take the voltage of the battery you want to charge (3.7V, for example) and multiply it by its capacity (2.8Ah, for example) - take this product and divide by the VA figure, and you should get the number of hours it will take to charge (assuming 100% light and no charging losses). Be sure to keep your units consistent (mAh vs. Ah)

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10Pcs 5V 30mA Mini Solar Panels for Mini Solar Cells DIY Electric Toy Materials Photovoltaic Cells Solar DIY System Kits 2.08"x1.18"(5V 30mA 53mmx30mm)

10Pcs 5V 30mA Mini Solar Panels for Mini Solar Cells DIY Electric Toy Materials Photovoltaic Cells Solar DIY System Kits 2.08"x1.18"(5V 30mA 53mmx30mm)

Product ID: 69543134

Details

Brand
SUNYIMA
Efficiency
High
Item Weight
2.08 ounces
Material
Silicon
Product Dimensions
2.09"L x x

⚡5V output power

🌞21.5-23.5% conversion efficiency

🔋30mA current capacity

HK$221

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Description

🌞 Harness the Sun, Power Your Imagination!

COMPACT PORTABLE - Mini 2.08"x1.18" panels fit seamlessly into any small-scale design.
COMPLETE 10 PACK KIT - Get all you need to start multiple projects or scale up your solar experiments.
VERSATILE APPLICATIONS - Perfect for solar toys, string lights, emergency gadgets, and more.
POWER UP YOUR DIY PROJECTS - Reliable 5V output to energize your creative solar builds.
HIGH EFFICIENCY SOLAR CELLS - Convert up to 23.5% of sunlight into clean, free energy.

This 10-piece set of mini polycrystalline solar panels delivers a steady 5V and 30mA output with up to 23.5% efficiency, ideal for DIY solar-powered toys, lighting, and small electronics. Compact and versatile, these panels empower millennial makers to innovate sustainably with clean energy solutions.

Specifications

ASIN	B07BMMHMSJ
Amperage Capacity	30 milliamps
Best Sellers Rank	#54,840 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #262 in Solar Panels
Brand Name	SUNYIMA
Connector Type	USB
Customer Reviews	4.1 4.1 out of 5 stars (571)
Efficiency	High Efficiency
Included Components	Mounting Bracket
Item Dimensions L x W x H	2.09"L x 1.18"W x 2.09"H
Item Type Name	1
Item Weight	2.08 ounces
Manufacturer	AOSHIKE
Manufacturer Part Number	Aoshike
Material Type	Polycrystalline Silicon
Maximum Power	10 watts
Maximum Voltage	5 volts
Model Number	A3D053
Number Of Cells	10
Number of Items	10
Output Voltage	5 volts
UPC	606479978101

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HK$221

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

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TrustScore 4.5 | 7,300+ reviews

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