Lionel Transformer

What is the Power Use, of an Average Small Charger, When Plugged In the Wall (Unconnected)?

Thanks g.venkatesan, but One Could Expect a Very Small Amount of Heat Dissipation.
Thanks .*., as I Suspected.
Thanks Very Much Retired EE.

I tested seven chargers and found they use 0.1 to 2.8 W unconnected. The one that uses only 0.1 W when unconnected is a USB device charger. My notebook computer charger has the highest input rating of the seven, 1.7 A 100-240 V but uses only 0.3 W unconnected. The one that uses 2.8 W is a 15 minute charger for AA, AAA & 9 V batteries. It uses 120 W maximum when connected. The average for the seven chargers tested was 0.9 W.

PS-1
I tested three small transformers, a 40 W AC Gilbert toy train transformer from the early 1950's used 5.2 W unloaded. A 5.5 VA Lionel transformer used 0.8 W unloaded. A 9 VAC 0.5 A transformer used 0.5 W unloaded. Average 13%, pretty close to one of the other answers.

Find Lionel Transformer On eBay Below:

LIONEL POST WAR 6818 FLAT CAR WITH TRANSFORMER VG+ ORIG COND 1958
LIONEL POST WAR 6818 FLAT CAR WITH TRANSFORMER VG+ ORIG COND 1958
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LIONEL POSTWAR 2461 DIE CAST DEPRESSED CENTTRANSFORMER CAR EXC COND 1947 48
LIONEL POSTWAR 2461 DIE CAST DEPRESSED CENTTRANSFORMER CAR EXC COND 1947 48
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159 VINTAGE LIONEL O SCALE TRAIN TRANSFORMER TYPE B 75 WATTS
159 VINTAGE LIONEL O SCALE TRAIN TRANSFORMER TYPE B 75 WATTS
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121B VINTAGE LIONEL O SCALE 1037 TRAIN TRANSFORMER 40 WATTSWORKS GREAT
121B VINTAGE LIONEL O SCALE 1037 TRAIN TRANSFORMER 40 WATTSWORKS GREAT
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Lionel Transformer Handles Orange  Black KW RW 1033 1034
Lionel Transformer Handles Orange Black KW RW 1033 1034
$7.99
Lionel Type V 150 Watt Trainmaster Transformer 4 Circuit AC Power Pack
Lionel Type V 150 Watt Trainmaster Transformer 4 Circuit AC Power Pack
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Lionel ZW 136 TrainMaster Transformer Cardboard Box
Lionel ZW 136 TrainMaster Transformer Cardboard Box
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LIONEL  6 37921 ZW L TRANSFORMER IN STOCK NOW SALE
LIONEL 6 37921 ZW L TRANSFORMER IN STOCK NOW SALE
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Copy of Lionel S and S220 Transformer Instructions
Copy of Lionel S and S220 Transformer Instructions
$6.90
Lionel TW 21 95 Orange Transformer Handle w Metal Clip Free Shipping
Lionel TW 21 95 Orange Transformer Handle w Metal Clip Free Shipping
$14.95
LIONEL ACCESSORY POWER WIRE fastrack lockon track transformer connector 6 12053
LIONEL ACCESSORY POWER WIRE fastrack lockon track transformer connector 6 12053
$4.84
LIONEL  6 37921 ZW L TRANSFORMER IN STOCK NOW SALE
LIONEL 6 37921 ZW L TRANSFORMER IN STOCK NOW SALE
$738.00
4 Vintage Original Lionel Binding Post Nuts For Transformers  Accessories USED
4 Vintage Original Lionel Binding Post Nuts For Transformers Accessories USED
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Copy of Lionel KW Transformer Instructions AND Service and Repair Manual
Copy of Lionel KW Transformer Instructions AND Service and Repair Manual
$11.90
LIONEL POSTWAR TRAIN Transformers 2 1041  4060 Lot of 2 W Paperwork
LIONEL POSTWAR TRAIN Transformers 2 1041 4060 Lot of 2 W Paperwork
$20.70
Lionel CW 80 80 Watt Transformer
Lionel CW 80 80 Watt Transformer
$129.77
LIONEL 26047 pwc 2461 flatcar with transformer
LIONEL 26047 pwc 2461 flatcar with transformer
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2 Vintage LIONEL Transformers  1033 90 watt   R 110 Watt 2 train power
2 Vintage LIONEL Transformers 1033 90 watt R 110 Watt 2 train power
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ZW 232 CIRCUIT BREAKER 15 amp LIONEL for ZW TRANSFORMER 275 new W 2 DISCONNECTS
ZW 232 CIRCUIT BREAKER 15 amp LIONEL for ZW TRANSFORMER 275 new W 2 DISCONNECTS
$12.94
2 Vintage LIONEL Transformers  1033 90 watt   Q 75 Watt well used
2 Vintage LIONEL Transformers 1033 90 watt Q 75 Watt well used
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HTE LIONEL POSTWAR  6818 FLATCAR W TRANSFORMER
HTE LIONEL POSTWAR 6818 FLATCAR W TRANSFORMER
$39.95
Lionel Type V 150 Watt Trainmaster Transformer 4 Circuit FREE SHIPPING
Lionel Type V 150 Watt Trainmaster Transformer 4 Circuit FREE SHIPPING
$65.00
LIONEL FLAT CAR 2461 WITH TRANSFORMER LOAD
LIONEL FLAT CAR 2461 WITH TRANSFORMER LOAD
$15.00
Lionel part ZW  Transformer part Long Contact arm assembly
Lionel part ZW Transformer part Long Contact arm assembly
$12.00
Lionel Toy Train AC Transformer Type R 100 Watt Tested Works Made in USA
Lionel Toy Train AC Transformer Type R 100 Watt Tested Works Made in USA
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Lionel 4150 50 Watt Train Transformer Tested Layout Ready Reverse Button A
Lionel 4150 50 Watt Train Transformer Tested Layout Ready Reverse Button A
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LIONEL POSTWAR TYPE Q 75 WATT TRANSFORMER WORKS GOOD CONDITION ESTATE SALE
LIONEL POSTWAR TYPE Q 75 WATT TRANSFORMER WORKS GOOD CONDITION ESTATE SALE
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LIONEL ZW 275 TRANSFORMER MODEL R REBUILT w 1 YEAR GUARANTEE
LIONEL ZW 275 TRANSFORMER MODEL R REBUILT w 1 YEAR GUARANTEE
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Lionel 2 Train Type R 110 Watt Transformer Layout Ready NEW Cord Boxed B
Lionel 2 Train Type R 110 Watt Transformer Layout Ready NEW Cord Boxed B
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Lionel Train Multivolt  B  Transformer  as is
Lionel Train Multivolt B Transformer as is
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Lionel 2 Train Type R 110 Watt Transformer Layout Ready Good Cord Boxed D
Lionel 2 Train Type R 110 Watt Transformer Layout Ready Good Cord Boxed D
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LIONEL POST WAR POWER POSTS FOR ZW TRANSFORMERS
LIONEL POST WAR POWER POSTS FOR ZW TRANSFORMERS
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