Smart Car Battery Charger

[babkalakal]

We had one years ago. Cannot say it saved us any money. Also useless in my opinion.

[dr. d]

Guys, is this device is fraud? It says that it saves near 30% of your money going on electricity. If it real It is a very amazing device.

according to a knowledgeable person i talked to, the device works. but only if one is using a certain type of older kuntador.
won't work daw with the newer kuntadors.

[falken]

according to a knowledgeable person i talked to, the device works. but only if one is using a certain type of older kuntador.
won't work daw with the newer kuntadors.

Digital kuntadors.

Sent from my SM-T705 using Tapatalk

[oj88]

Hmm, this is OT already. Anywho....

Power savers don't work. In fact, it even slightly increases your electric consumption. Every demos I've seen being done to demonstrate their efficacy makes use of an ammeter. The sales person would show how the current decreases as the product is plugged in. The problem is, utility meters used by electric companies measure Power and consequently, Power Consumed (W, W-Hr), not current (Amperes).

[dr. d]

P = W x Hr.
W = V x I .
P = V x I x Hr.
I = current.

meron pa ring epekto kung mababawasan ang basa ng current.

also vaguely remember, that the gadget works more noticeably, if the user is heavy into electric motors going on and off.
aircons, refs, water pumps..

[chris_d]

If you really want to cut down your electric bill specially for daytime use get some solar panels installed.

With 6 solar panels my monthly bill is around 2,200-2,500 a month currently, with 1-2 aircons in use daily. One on from 9am-10pm and 20+ hours on weekends, another from 12nn-4pm. We also dont have any gas stoves, so the stoves add a lot to the use.

[oj88]

P = W x Hr.
W = V x I .
P = V x I x Hr.
I = current.

meron pa ring epekto kung mababawasan ang basa ng current.

also vaguely remember, that the gadget works more noticeably, if the user is heavy into electric motors going on and off.
aircons, refs, water pumps..

That's the formula for DC circuits. VA is just apparent power on AC circuits.

In AC, there's a third component to the Power formula; the power factor.

At absolute best, those "power savers" will only correct the power factor. That's why you see a reduction in current. But the "Real Power" consumption does not change.

See: The real truth behind household power savers (you can skip to the conclusion if you're not keen on reading through the whole article)

[dr. d]

If you really want to cut down your electric bill specially for daytime use get some solar panels installed.

With 6 solar panels my monthly bill is around 2,200-2,500 a month currently, with 1-2 aircons in use daily. One on from 9am-10pm and 20+ hours on weekends, another from 12nn-4pm. We also dont have any gas stoves, so the stoves add a lot to the use.

what was your monthly bill, before the solar panels?
and how much did the solar panels cost?

[dr. d]

That's the formula for DC circuits. VA is just apparent power on AC circuits.

In AC, there's a third component to the Power formula; the power factor.

At absolute best, those "power savers" will only correct the power factor. That's why you see a reduction in current. But the "Real Power" consumption does not change.

See: The real truth behind household power savers (you can skip to the conclusion if you're not keen on reading through the whole article)

the second conclusion.
i think that is what the seller is hyping.

[chris_d]

what was your monthly bill, before the solar panels?
and how much did the solar panels cost?

Around 4-5.5k with only one aircon in use for less hours.

Two different installs a year apart, 2x250w around 50k+ and the 4x285w around 75k.