2 new from £33.38

NOCO BLSOLAR2 Solar Battery Charger

4.0 out of 5 stars 72 customer reviews

Available from these sellers.
2 new from £33.38
  • 2.5W Solar Battery Charger and Maintainer

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Product information

Technical Details
Item Weight816 g
Product Dimensions23.4 x 1.5 x 23.4 cm
Item model numberBLSOLAR2
Manufacturer Part NumberBLSOLAR2
Item Weight815 Grams
Additional Information
Best Sellers Rank 118,552 in Car & Motorbike (See top 100)
Shipping Weight1.1 Kg
Date First Available8 Nov. 2013

Product description

Product Description

The BLSOLAR2 is a 2.5W Ultra Low Profile Thin Film Solar Battery Charger and Maintainer. The BLSOLAR2 is best for maintaining 12V batteries found on your Motorcycle, ATV, Boat, RV, Tractor, Lawn Mower or Snowmobile. Suitable for maintaining all types of lead-acid batteries, such as, Wet, Gel, MF and AGM. The BLSOLAR2 is completely weatherproof, and can be used outdoors. Provides up to 180mA (.18A) charging current, and protects against accidental reverse battery drain. Its Thin Film Technology allows for optimal performance in low-light, cloudy and overcast conditions.

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Customer Reviews

Top Customer Reviews

By Marco Rossini VINE VOICE on 4 May 2014
Vine Customer Review of Free Product ( What's this? )
I've just started using it, and it's so easy to use as long as you use it in a car that has a 12v cigar lighter socket.

The user's guide is not very good, as they're no diagrams, only words, a lot of words, with a full of car vocabulary, which is not very user-friendly to me. I tried to 'decipher' it, but I found a video clip on how to use this on YouTube ([...]), and as the Japanese proverb that says 'Listening to it 100 times cannot beat seeing it once', this video was FAR easier to understand than the instruction with many words. All you need to do is connect it to the 12v cigar light socket (just remember to unplug all other appliances such as a SatNav and a speed camera detector before connecting the charger to the cigar socket). If this video doesn't show up on YouTube, enter 'NOCO BLSOLAR2 Solar Battery Charger' in the search field, and you'll find it, and a young American lady will quickly show you through it.

If you're using it for a motorcycle, a jet ski etc, however, you'll have to connect it to the battery directly, but don't worry, this product comes with all the necessary cables as shown in the main image. All you need to do is connect the (+) one and then the (-) one and leave the panel facing the sun. You can do the same to the car battery, although it means the bonnet will have to be left open for several hours at least.

Because it's so easy, nicely priced for the quality, I would have given five-star rating, but because of the lack of user-friendliness in the user's guide, I would give four.

If I find something else, I'll post updates here for you guys.

UPDATE (18/05/14): I contact the manufacturer because it wasn't clear about recharging via the 12v cigar lighter socket. Here is the reply: 'You can use the GC003 (i.
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Vine Customer Review of Free Product ( What's this? )
Several years ago, I started using a tiny 1W solar panel which kept the battery of a seldom-used vehicle topped up via a very slow trickle charge. Technology has since moved on and now a panel of the same size provides a 2.5W charge. It's not a huge charge but it's a simple one which only requires the panel to face the sun and has no need for a regulator. It's the perfect solution for a low-charge, top-up requirement and can be simply set and left with no danger of over-charging and frying the battery.

We have a field shelter in a remote field with no power supply and have recently fitted two 12v ex-motorhome leisure batteries to power LED lighting plus a 12v power socket to enable phone/camera/tablet/netbook charging. This solar panel is just what we need to keep the 12v battery topped up between our weekly visits. The solar panel has been fitted to a discreet end of our shelter with the cable passed through the window in a small groove and the crocodile clips connected to the battery terminals. It's a simple arrangement and it works very well, especially now in the long, bright sunny days of June-July 2014.

We also have the 5W panel which has been in use since early spring when we didn't have the benefit of much bright sunny weather but even in this relative gloom of cloud and torrential rain, it still managed to provide a small trickle charge in far from optimum conditions.

Obviously, this tiny 2.5W solar panel isn't going to charge a dead battery or provide the higher charge required eg for running motorhome electrics which would need a substantially larger panel plus regulator but it does provide a slow trickle charge for low-drain usage which is just what we need.

It's a good buy, it works and it's a low price. I couldn't wish for more - other than more bright sunny days so it can work at its peak!
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Vine Customer Review of Free Product ( What's this? )
Battery Life 2.5 W solar battery charger and conditioner.

What’s it for.
This is a solar panel that will keep a trickle charge going through a battery as long as there is sufficient light.

The box contains:
The solar panel,
4 suction cups,
Panel to battery cable with crocodile clips,
Panel to cigarette 12Volt socket,
Instructions and warrantee.

In use.
It is very easy to use. You can attach it to a window using the suction cups and plug the unit into the cigarette socket or directly to the battery using the crocodile clips.

What it does.
This is a small 2.5 watt panel so don’t expect it to charge a flat battery. It is useful to keep a battery charged up while it is not in use. I attached it to my motorbike while the panel was placed under the sky light. Usually the battery is a bit down as I don’t use the bike much but by using this it kept the battery topped up and it started off the starter easily and did not need a bump start.
For this purpose it is great but it won’t do much more than this,. I also have the 5 watt version which I use to keep an electric fencing battery topped up and this works well. The 5 watt panel is bigger and has a little more power to deal with bigger batteries.
It may also be of use to teachers to explain how the sun can be used as a power source.

As a charger it is ok but its real use is a trickle top up and it does this well. If you want to change batteries using the sun I expect the bigger and more expensive panels in this range would be better for you. The 5 W panel is much more useful for my purposes but this panel has its uses as a trickle top upper.
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