Sylgard 184 Solar Cell Encapsulation for Making Solar Panels
Sylgard 184 Solar Cell Encapsulation for Making Solar Panels
- This is 1.1lb kit of Sylgard 184 encapsulation kit.
This is 1.1lb kit of Sylgard 184 encapsulation kit.
List Price: $ 57.00
Price: $ 49.00
PowerFilm AA Battery Solar Panel Charger
- Ultra compact, ultra lightweight and yet very durable, the PowerFilm AA Foldable Solar Charger is ideal for everyday use.
- POWERFILM AA CHARGER 2-4 AA BATTERY CHARGER
- Proprietary charging circuitry maximizes charge into the batteries, and charging lights indicate charging status and charge completion.
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- Its Operating Voltage is 3.6, Operating Current is 0.6, Weight (Ounces): 4.18 (Without batteries), Folded Dimensions: 5.5 x 3.3 x 1.4, Unfolded Dimensions is 5.5 x 31.5.
AA ChargerUltra compact, ultra lightweight and yet very durable, the PowerFilm AA Foldable Solar Charger is ideal for everyday use. Charging either 2 AA batteries in 3 1/3 hours of full sun or 4 AA batteries in 6 2/3 hours of full sun, the AA Foldable Solar Charger provides highly-effective battery charging. Proprietary charging circuitry maximizes charge into the batteries, and charging lights indicate charging status and charge completion. The lightweight and durable PowerFilm flexible solar panels are integrated directly onto the fabric, keeping the weight of the charger to less than four spare batteries. Six grommets are built into the charger to allow for secure fastening to a pack or to the ground.Operating Voltage: 3.6Operating Current: 0.6Weight (Ounces): 4.18 (Without batteries)Folded Dimensions: 5.5 x 3.3 x 1.4Unfolded Dimensions: 5.5 x 31.5
List Price: $ 99.00
Price: $ 99.00
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This Post Has 3 Comments
encapsulating solar cells,
This product works excellent. After mixing and poring over the cells, you have at least 24 hours before setting. This product give you plenty of time to work out the air form between the glass and cells.
It would be nice though if the price would come down as it is one third the cost of each panel.
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|Exceeded expectations,
I purchased this charger in case of long term power outage (earthquake, ice storm, nuclear war, cap and trade-caused blackouts), with the intention of always having light by recharging AA batteries and using them in LED flashlights and lanterns.
I used this charger on Oct. 24 on a sunny day in central Illinois, on a pair of partially discharged NiMh 2400 maH batteries that read 1.2 volts. The charger brought them up to 1.36 volts quickly and showed them as fully charged. Impressed, I decided to purposely discharge a pair of AAs by running them in an incandescent flashlight. One battery read 0 volts and the other was at 1.0 volts and the filament of the bulb was just barely showing a red glow when I put them in the charger. The charger accurately diagnosed them as very low and started recharging them in a trickle mode. One trip to Walmart later, (1-2 hours total charge time) and both batteries were right at 1.36 V. I also ran a separate 4-pack of partially discharged batteries and they were charged fully in 1 hour.
Based on this small experience sample, I am very happy with this product, as it surpassed the charging times on the box on a sunny day, even in late fall, with the sun very low in the sky at mid-day.
I also feel the build quality of the product is high, based on first impressions only.
This charger is also very small, folding up into a box smaller and thinner than I expected. It also comes with a 4-pack of the excellent low-discharge Sanyo Eneloop batteries, which are a $8-10 dollar value.
It also has grommets to make it easy to use string or cord to affix it to a backpack or tie it down in windy conditions. I am planning on making a set of copper wire supports that can be used like tent stakes to hold this charger in place on flat ground or to prop it up to get true perpendicularity to the sun to maximize the energy capture.
In summary, I love this charger and highly recommend it.
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|Handy and well built,
This charger does exactly what they say it does. It charges batteries using sunlight, even indirect sunlight. They must have changed their design slightly since the earlier reviews because mine came with a charge indicator to tell you when the charge is complete. It also has overcharge protection built in so you can leave batteries in the holder as long as you want.
The whole thing folds up into a package slightly larger than the 4 cell battery compartment. It weighs about as much as the batteries. With 4 x AA batteries installed it weighs about 8 ounces. It has arrangements for hanging it from a pack by lanyards, so you can charge on the go while you hike. This, combined with the light weight and small size make it an ideal source of electricity for back country backpacking.
Be aware that it only charges AA batteries. You can’t plug in your laptop or your blackberry…or even AAA batteries, so plan accordingly. Mine charges AA batteries very quickly. They say that 4 hours of fairly bright sunlight will fully charge 2 AA batteries and 8 hours is supposed to charge 4 AA fully. Since I don’t ever run my batteries down that low, I can’t vouch for these times, but it will top off a partially drained battery in about an hour. Even on a cloudy day, it can top off 2 batteries in less than 2 hours. That is comparable to any AC charger I have ever used.
It uses a thin film photovoltaic array, so it’s flexible. This is both good and bad. The thin film is much cheaper, less prone to crush damage and folds up smaller, but it’s probably only good for about 5 years use, roughly 1/4 of the life span of more expensive cells. This time limit only applies to the time actually spent in the sun. The clock stops whenever it is stored in darkness, so if used only for camping or other outdoor or emergency use, it should last pretty much forever.
This is not supposed to be an outdoor solar panel to mount on your roof. It’s a very tiny charger for emergency power (or camping). If you take it for what it is, this is a great product.
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