Battery Pack
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How long will I get from my battery pack?
I have a battery pack that is 12V 7.2 amps. I want to run some LED xmas lights from it that are rated at about 7 watts. (100 lights)
How long will these lights run for off this battery pack?
The battery states “12V 7.2AH/20HR”
You can’t really say from the information given. What counts is the number of watt-hours the battery can deliver and the number of watts the lights consume. You have the light consumption, 7 watts. The 12 V battery pack can deliver 7.2 amps but that is not necessarily its amp-hour rating. That might be the maximum rated current in amps. The amp-hour rating of the battery could be more or it could be less.
If we assume that the battery can deliver 12 V times 7.2 amps for 86.4 amp-hours, then you have right about 12 hours of operation. It’s not really a bad guess. You could run the lights all night, but would need to recharge the battery every day.
Here are some excellent bargains on ebay for Battery Pack
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Milwaukee 48-11-2232 Battery 18V 2.4 Ah Pack Of 2 $179.46 |
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Milwaukee 48-11-0100 2.4 V Battery Pack $31.43 |
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Milwaukee 48-11-2830 M28 Lithium-Ion Battery Pack $169.25 |
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BOSCH 18V BATTERY BAT609 – 18 Volt 1.3-Ah Slim-Pack – 2-Year Warranty $54.45 |
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**2-PACK** BOSCH 18V BATTERY BAT609 – 18 Volt 1.3-Ah Slim-Pack $103.50 |
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BOSCH HAMMER DRILL DRIVER & IMPACT KIT CLPK221-181 with Fat Pack Batteries $368.37 |
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Ryobi 12 Volt Drill Vaccum & Battery Combo pack Lot Used $19.99 |
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(2) DEWALT DCB200 20V LITHIUM ION BATTERY PACKS X 2 NEW $105.98 |
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(2) DeWalt DCB120 12 volt MAX Li Ion Battery Pack NEW $55.55 |
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INTEC G8651 Xbox 360 Rechargeable Battery Pack $27.66 |
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Black & Decker HPB18 18V Battery 2 Pack New ~ For Smart Select Firestorm SS18 $58.95 |
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Black & Decker HPB18 18V Battery 2 Pack New ~ For Smart Select Firestorm SS18 $59.95 |
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*** BLACK AND DECKER 24v HIGH PREFORMANCE Ni-Cad BATTERY PACK volt HPNB24 *** $29.00 |
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NEW Milwaukee 48-11-1828 M18 18V Li-Ion RED LITHIUM Battery Pack Sealed! $68.00 |
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Decker 18 Volt Replacement Battery Pack for Power Hand Tools Wireless NEW $53.02 |
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Makita B7000 7.2V Ni-Cd Cordless 7000 Battery Tool Pack $59.99 |
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BLACK & DECKER 8.4 Volt DC Battery Pack 9052BP $2.99 |
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Dewalt Dcb120 12v Max Battery Pack Dewalt $63.40 |
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Milwaukee Red LITHIUM M18 XC Portable tool Battery pack 48-11-1828 new $49.00 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill & Saw Packs★Works On 18V DeWalt $7.95 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill & Saw Packs★Works On 18V RIGID $7.95 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill & Saw Packs★Works On 18V Ryobi $7.95 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill Packs★Works On★7.6V-18V Milwaukee $7.95 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill Packs★Works On★Bosch★Craftsman etc $7.95 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill Packs★Works On★DeWalt★Ryobii★Rigid $7.95 |
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★ EZ BATTERY FIX GUIDE★ Re-New Cordless Drill Packs★Works On★Porter Cable★Skil $7.95 |
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(1) MILWAUKEE M12 12 VOLT RED LITHIUM BATTERY PACK 48-11-2401 & CHARGER $31.00 |
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Bosch BAT618 18-Volt 2.6-Ah Fat Pack Battery $89.95 |
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Two Pack Dewalt 18 Volt XRP Batteries $90.00 |
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(2) MILWAUKEE 18 VOLT 48-11-1828 M18 XC RED LITHIUM BATTERY PACK X 2 NEW $120.00 |
And a few more great deals on Amazon:
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Hoover LINX Cordless Stick Vacuum $199.99 First ever Stick Vacuum with Hoover?s Patented WindTunnel Technology and the convenience of cordless Powered by LiNX 18 V Interchangeable Lithium-Ion Battery for sustained cleaning power One Touch Brush roll activation and Cyclonic Filtration Edge cleaning bristles allow for closer access to walls and corners Low Profile Base allows for easy access under furniture and Wide Mouth Opening lets the v… |
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Eureka Quick Up Cordless 2 in 1, 96H $49.99 96H Eureka Quick Up cordless 2 in 1 stick vacuum features telescopic handle, On/Off brush roll switch, easy to empty dust cup, and 10” cleaning path. Now with Freestanding Design. Weighs less than 5 lb. Comes with a 6V battery. Dimensions: 10” W. x 5” L. x 44” H…. |
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Dirt Devil BD10045RED AccuCharge 15.6 Volt Hand Vac with ENERGY STAR Battery Charger, Red $40.69 15.6VCIRCUITRY MONITORS THE CHARGE VOLTAGE RESULTING IN A REDUCTION OF ENERGY CONSUMPTION BY 70%PROTECTS BATTERIES FROM DEGRADATION MEANING A LONGER BATTERY LIFE & EFFECTIVE RUNTIME THROUGHOUT ITS LIFETIMECHARGES TWICE AS FASTENERGY STAR APPROVEDUPC : 046034896288Shipping Dimensions : 16.30in X 8.00in X 5.90inEstimated Shipping Weight : 4.6347… |
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Rite-Lite Judaica Battery Operated Blinking Menora/Draydel Window Decoration $12.59 Celebrate Hanukkah in style this season with these assorted blinking menorah and draydel window decorations! These light up decorations will light up your home this Hanukkah. Product includes one blinking menorah or draydel, and one suction cup…. |
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Black & Decker AF-100-3ZP 30-Feet 0.065-Inch Line String Trimmer Replacement Spool, 3-Pack $11.50 Black & Decker String Trimmer Auto Feed System Replacement SpoolThe Black & Decker string trimmer Auto Feed System replacement spool provides a 30-foot replacement line for use in your auto feed string trimmer. This factory wound spool offers maximum reliability and eliminates the hassle of having to wind the spool yourself. The exclusive Black & Decker Automatic Feed Spool (AFS) system automatica… |
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Mr Beams MB360 Wireless LED Spotlight with Motion Sensor and Photocell – Weatherproof – Battery Operated – 140 Lumens $16.99 Mr. Beams Intelligent LED Battery-Operated Lights MB360 Spotlightat a Glance: Battery-powered, wireless LED spotlight |
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Streamlight 73001 Nano Light Miniature Keychain LED Flashlight, Black $3.75 FEATURES Easily attaches to just about anything with pocket clip or key ring: 1 Up to 8 hours run time: 2 Machined aircraft grade aluminum with anodized finish: 3 Uses 4 alkaline button cell batteries included: 4 White LED bulb with 10 lumens: 5 Weatherproof: 6 Includes a non-rotating snap hook for easy one handed operation when atta… |
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Panasonic TY-EW3D2MMK2 Ultimate 3D Starter Kit (Avatar 3D + 2 Rechargeable Glasses) $399.95 3D Ultimate Pack 3D Active Shutter EyewearApprox .088 lbsSize medium 3D Eyewear Headsize 23.6″ AroundRechargeable Battery for Repeated UseBuilt-in battery is charged using a USB terminalEasy to-operate slide switchMakes it easy to turn the power on and off3D Ultimate Pack includesOne Copy of AVATAR Blu-ray 3D Disc A PANASONIC EXCLUSIVEExperience Avatar in 3D at home!Two Pairs of Active Shutter 3D … |
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Cooling a Six-Pack $1.99 … |
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Sony 3DBNDL/ALICE 3D Deluxe Starter Kit, Black $122.99 Sony 3DBNDL/ALICE ALICE 3D BRAY DISC & 3D-STARTER KIT… |
Build Your Own Portable USB Battery Pack – SYSTM
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