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20 volt portable (battery powered) power packs?

i need a 17-25 volt battery powered rechargeable power pack preferably $50. if you cant find one for under $50 i would still be glad to know where to find one. it needs to have at least one :o shaped socket and can plug into a wall socket (:o shaped thing) and i need it to run for about 5 hours per charge. im trying to run a raspberry pi, screen and usb hub off this if that helps.

Not to rain on your parade, but I seriously doubt that this exists in that price range. Looking at some portable tool Li-ion packs should tell you that. Most are rated right around 3.0 Ah and without knowing the drain on the stuff you're trying to run it would be a guess, but I'm thinking 5 hours is about 2 1/2 to 4 hours longer than it will run here. You won't get quality packs for that price range either from what I'm seeing. Then there is the charging circuitry to consider. Just at an offhanded guess, you'll need more like 5.0 Ah and maybe higher to run this that long and the 3.0 Ah packs are barely in your price range. You may be able to get a better and closer estimate using the design resources at the link below. I wish you luck and hope you're right.

http://www.powerstream.com/tech.html

Good luck, good hunting and stay safe!

Find Power Packs On eBay Below:

KF Model CB HO Powerpack Transformer Brass w original display box Works LOT 1
KF Model CB HO Powerpack Transformer Brass w original display box Works LOT 1
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KF Model CB HO Powerpack Transformer Brass w original display box Works LOT 2
KF Model CB HO Powerpack Transformer Brass w original display box Works LOT 2
$18.95
VINTAGE IN ORIGINAL BOX TYCO SPEEDWAYS TRACK POWER PACK MODEL 899V 1 AMP HO
VINTAGE IN ORIGINAL BOX TYCO SPEEDWAYS TRACK POWER PACK MODEL 899V 1 AMP HO
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MODEL POWER HO SCALE CITGO SANTA FE TRAIN SET POWER PACK AND TRACKS
MODEL POWER HO SCALE CITGO SANTA FE TRAIN SET POWER PACK AND TRACKS
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Bachmann Hawthorne HO EZ TRACK SWITCHES SNOW CROSSING POWER PACK CONTROLLER NEW
Bachmann Hawthorne HO EZ TRACK SWITCHES SNOW CROSSING POWER PACK CONTROLLER NEW
$75.00
Bachmann HO SCALE Electric 5 Train Cars Train Track  Power Pack EUC
Bachmann HO SCALE Electric 5 Train Cars Train Track Power Pack EUC
$15.99
HO Scale Train Set 3 locomotives 3 freight cars track power pack Bridge
HO Scale Train Set 3 locomotives 3 freight cars track power pack Bridge
$100.00
6 Bachmann HD electric train box cars cabbose Power Pack plus
6 Bachmann HD electric train box cars cabbose Power Pack plus
$20.00
JAMES E STRATES SHOWS HO SCALE TRAIN SET WITH TRACK  POWER PACK NEW IN SET BOX
JAMES E STRATES SHOWS HO SCALE TRAIN SET WITH TRACK POWER PACK NEW IN SET BOX
$159.51
Kato N Scale 20 850 Unitrack M1 Basic Oval with Power Pack
Kato N Scale 20 850 Unitrack M1 Basic Oval with Power Pack
$75.60
Kato N Scale 20 851 Unitrack M2 Basic Oval and Siding with Kato Power Pack
Kato N Scale 20 851 Unitrack M2 Basic Oval and Siding with Kato Power Pack
$145.80
HO 187 TRAINS MODEL POWER POWER PACK  MISC LOT OF TRACK STRAIGHTS  CURVES
HO 187 TRAINS MODEL POWER POWER PACK MISC LOT OF TRACK STRAIGHTS CURVES
$7.00
HO 187 LARGE MISC LOT OF TRAIN TRACK LIFE LIKE POWER PACK  MISC OTHER THINGS
HO 187 LARGE MISC LOT OF TRAIN TRACK LIFE LIKE POWER PACK MISC OTHER THINGS
$7.00
HO 187 TRAINS BACHMANN POWER PACK LOT OF TRAIN TRACK GIRDER BRIDGE OTHER TRACK
HO 187 TRAINS BACHMANN POWER PACK LOT OF TRAIN TRACK GIRDER BRIDGE OTHER TRACK
$7.00
Early Vintage MOBIL storage Tanker HOPower pack TRACKSIDE Very Cool
Early Vintage MOBIL storage Tanker HOPower pack TRACKSIDE Very Cool
$14.99
Tyco electric racing Power Pack power supply 18 Volt DC
Tyco electric racing Power Pack power supply 18 Volt DC
$6.99
TYCO CARS TRUCKS AND ELECTRIC POWER PACK
TYCO CARS TRUCKS AND ELECTRIC POWER PACK
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Details from Life Like and Model Power 9 packs HO scale
Details from Life Like and Model Power 9 packs HO scale
$25.00
MRC Railpower 1300 Power Pack AA300
MRC Railpower 1300 Power Pack AA300
$36.45
HO N On30 Scale Bachmann Power Pack  Speed Controller System
HO N On30 Scale Bachmann Power Pack Speed Controller System
$9.99
BACHMANN EZ TRACK POWER PACK  SPEED CONTROLLER HO N SCALE transformer 44211 NEW
BACHMANN EZ TRACK POWER PACK SPEED CONTROLLER HO N SCALE transformer 44211 NEW
$59.84
life like power loc ho train track Lot Curve Straight And Power Pack
life like power loc ho train track Lot Curve Straight And Power Pack
$46.00
HO Scale Train Accessory Bundle Lighted tower fuel tank and LifeLike powerpack
HO Scale Train Accessory Bundle Lighted tower fuel tank and LifeLike powerpack
$6.26
HO N Model Train PowerPack Railpower 1370 by MRC Item MRC AA370
HO N Model Train PowerPack Railpower 1370 by MRC Item MRC AA370
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Bachmann HO Lot TrackTerminal Power Pack Union Pacific  Burlington  Extras
Bachmann HO Lot TrackTerminal Power Pack Union Pacific Burlington Extras
$50.00
VTG Varney Circuit Breaker Ho Power Pack Toy Train Transformer Mark III
VTG Varney Circuit Breaker Ho Power Pack Toy Train Transformer Mark III
$18.95
HO Scale Thunder Line Power Pack AHM
HO Scale Thunder Line Power Pack AHM
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LOT of 15 HO Scale Slot Car Power Packs Toy Transformers Aurora Controllers
LOT of 15 HO Scale Slot Car Power Packs Toy Transformers Aurora Controllers
$9.99
Lot Of Tyco HO Straight  Curved Track  2 Electric Power Packs
Lot Of Tyco HO Straight Curved Track 2 Electric Power Packs
$14.99
REVELL Micro Train power pack tested good on track see pictures for more discri
REVELL Micro Train power pack tested good on track see pictures for more discri
$19.00
Bachmann HO Electric train Accessories CN Caboose No1061 Powerpack No40 6605
Bachmann HO Electric train Accessories CN Caboose No1061 Powerpack No40 6605
$15.49
KINKADEs CHRISTMAS EXPRESS LOCO  TENDER 3 CARS TRACK POWER PACK CERTS
KINKADEs CHRISTMAS EXPRESS LOCO TENDER 3 CARS TRACK POWER PACK CERTS
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TRAINMASTER TRANSFORMER WITH ORIGINAL BOX KF POWER PACK 115 VOLTS 175 WATTS 60C
TRAINMASTER TRANSFORMER WITH ORIGINAL BOX KF POWER PACK 115 VOLTS 175 WATTS 60C
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Bachmann HO Mixed Lot Rolling Stock Cars and Power Pack
Bachmann HO Mixed Lot Rolling Stock Cars and Power Pack
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BBS32 JAMES E STRATES HO TRAIN SET WITH TRACK  POWER PACK NEW IN SET BOX
BBS32 JAMES E STRATES HO TRAIN SET WITH TRACK POWER PACK NEW IN SET BOX
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TYCO Electric Power Pack HO Scale Transformer  899 Original Box
TYCO Electric Power Pack HO Scale Transformer 899 Original Box
$5.99
Bachman HO  N Scale Electric Trains Power Pack Model 6605 + Freight Car lot
Bachman HO N Scale Electric Trains Power Pack Model 6605 + Freight Car lot
$60.00
HO Scale Bachmann 2 Packs of Curve Track  6607 Power Pack LOT of 3 Boxes MIB
HO Scale Bachmann 2 Packs of Curve Track 6607 Power Pack LOT of 3 Boxes MIB
$39.00
Cal Scale HO Kit PR 332 Power Reverse Ragonnet Type B 1 2 packs E105
Cal Scale HO Kit PR 332 Power Reverse Ragonnet Type B 1 2 packs E105
$14.99
Fleischmann  503 Power Pack with 2 Controllers  Box made in West Germany
Fleischmann 503 Power Pack with 2 Controllers Box made in West Germany
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