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Streetwize Car & Motorcycle Automatic Trickle Battery Charger for Gel / Lead Acid Batteries 12 V
|Price:||£16.76 FREE UK delivery.|
|You Save:||£4.24 (20%)|
- Suitable for charging Lead Acid - Gel - Standard Maintenance-Free Batteries.
- Various built-in Protection. LED power/charging indicators
- Over-charging protection. Short circuit protection
- Overheating protection and reverse polarity protection
- Input: 240VAC 50Hz 30W, Output: 12VDC 1.5A (Current reaches 1.5A @ 12VDC)
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Streetwize 12v Trickle for Gel / Lead Acid Batteries inc.croc clips
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Current then stays roughly constant up to the cut-off point at 14.15V.
This is below the gassing voltage so will not damage the battery.
Charging Cut-off Voltage 14.15V
Charging Restart Voltage 12.98V
Note: This charger does not give a constant voltage float charge,
instead it charges the battery to the Cut-off voltage, waits for it to
drop back to the Restart voltage and then repeats the cycle. This is
a perfect alternative and ensures the battery is always fully charged.
Mains Power Consumption:
Rated Power Quoted is 30W, presumably at 1.5A and 12V output.
Measured Power while topping up a charged battery is 14W approx.
Measured Power when Green "Charged" LED is ON is under 4W.
Average Power consumed 7W (approx. 1/3 charging and 2/3 not charging)
In a Boat Marina setting where power may fail in winter it is critical
that the charger does not discharge the battery significantly. Load on
battery when mains disconnected:
Current From Battery when Green "Charged" LED is ON is 40mA.
This stops when the voltage drops to 12.98V which is above the normal
fully charged voltage so will not cause significant discharging.
Current From Battery when Green "Charged" LED is OFF is only 0.6mA !!
Conclusions are that this charger is perfect for long term battery
maintenance and can handle mains failure without discharge unlike
many other chargers. It also has very low mains power consumption.
It delivers 1.5 Amp of power, so ok for smaller batteries. Also it has an Auto cut-off, so ok to leave your bike on charge for weeks(??) unattended in the garage over Winter, perhaps?
However it's worth noting, it will do bigger batteries - Eventually, provided the battery drain doesn't outweigh the 1.5 Amp going in! For e.g: it gave the battery in my Mk 5 Golf GTI enough stored power to start easily, after it had been drained COMPLETELY by the actions of a couple of "Well-wishers" (let's call them) while I was on holiday for a month. I did have to leave the battery on charge uninterrupted for nearly a week (as the Golf takes 70 Amp to fill the battery, apparently) but if you don't mind the wait, this product does the job of more expensive ones I have seen.
me think it wasn't charging.
Only after reading around I found that when the battery is CHARGED the light will appear.
On this basis the label on it should say "charged", not "charge"...
A better design would be to illuminate the light when it's charging so you know you've made a connection... I had to guess it was doing this by the small sparks coming off the terminal as I touched them on Negative...
And as it took 5 days to fully charge I spent the whole time wondering if it was working before the light came on....
Bad design and bad labelling.... but knowing all this and having used it, it's doing the job.... hope this info is useful for anyone else!
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