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12-12-2021, 06:01 AM
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#1
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Member
Join Date: May 2017
Posts: 75
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Have a favorite portable jump-starter?
Hi there -
I'm going to start carrying a portable jump-starter for peace-of-mind. The rig has been through 3 Texas summers now and I think the battery is fine for a couple more but seems like a good thing to have on-hand.
I'd like one that I can also use to charge our phones and other Li battery devices mostly to remind me to keep the portable charger charged. :-)
Anyone have a model they like and recommend? There are a lot to choose from, just with a general search.
I have a 2018 Sprinter 3500.
Thanks for any advice!
Mark
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12-12-2021, 06:08 AM
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#2
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Senior Member
Join Date: Dec 2006
Location: Foxboro Ma.
Posts: 1,087
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Quote:
Originally Posted by MarkSaxton
Hi there -
I'm going to start carrying a portable jump-starter for peace-of-mind. The rig has been through 3 Texas summers now and I think the battery is fine for a couple more but seems like a good thing to have on-hand.
I'd like one that I can also use to charge our phones and other Li battery devices mostly to remind me to keep the portable charger charged. :-)
Anyone have a model they like and recommend? There are a lot to choose from, just with a general search.
I have a 2018 Sprinter 3500.
Thanks for any advice!
Mark
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I would avoid any that have AGM style battery because they will be dead unless you charge it once a week. Lithium is what you want to buy.
__________________
2015 42' Redwood RL38 Morryde IS , disk brakes, 1920W of solar with Victron everything,5 Battleborn, 2024 GMC DRW 3500HD ,60 gallons of fuel in the bed,Hensley BD5 air ride hitch.
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12-12-2021, 06:15 AM
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#3
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Senior Member
Join Date: Mar 2017
Location: Sarnialabad, Peoples Republik of Canuckistan
Posts: 2,223
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Texas? Why not use the sun as your jump starter? Get a small solar charging rig and let the sun keep your battery up. Maybe some come with auxilliary charging capability for small appliances, I'm not sure. A small panel and charge controller might get you an amp or two of free charging when the sun shines.
__________________
2018 (2017 Sprinter Cab Chassis) Navion24V + 2016 Wrangler JKU (sold @ ????) - 2016 Sunstar 26HE (sold @ 4600 miles) - 2002 Roadtrek C190P (sold @ 315,000kms)
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12-12-2021, 06:27 AM
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#4
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Senior Member
Join Date: Jan 2014
Posts: 983
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Portable jump starter
We have (jump n carry) model jnc 660. Hesvy but stys charged for months...recommended by a body shop and tow co. That we know....
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12-12-2021, 07:32 AM
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#5
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Member
Join Date: May 2017
Posts: 75
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Quote:
Originally Posted by Winterbagoal
Texas? Why not use the sun as your jump starter? Get a small solar charging rig and let the sun keep your battery up. Maybe some come with auxilliary charging capability for small appliances, I'm not sure. A small panel and charge controller might get you an amp or two of free charging when the sun shines.
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After some number of years, an auto battery will not be able to turn an engine over or to be re-charged. The alternator in the vehicle keeps the battery charged as long as the battery is within its service life.
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12-12-2021, 08:40 AM
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#6
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Senior Member
Join Date: Mar 2017
Location: Sarnialabad, Peoples Republik of Canuckistan
Posts: 2,223
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Quote:
Originally Posted by MarkSaxton
After some number of years, an auto battery will not be able to turn an engine over or to be re-charged. The alternator in the vehicle keeps the battery charged as long as the battery is within its service life.
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? Pardon ? If you're saying that your battery is approaching the end of it's life cycle (by inference), why not replace it, rather than spending money on something that will wear out faster than a new battery?
__________________
2018 (2017 Sprinter Cab Chassis) Navion24V + 2016 Wrangler JKU (sold @ ????) - 2016 Sunstar 26HE (sold @ 4600 miles) - 2002 Roadtrek C190P (sold @ 315,000kms)
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12-12-2021, 08:49 AM
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#7
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Senior Member
Join Date: Jan 2014
Posts: 983
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We have a jmc 660 and it stays charged for months, i check it monthly, no issue
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12-12-2021, 09:03 AM
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#8
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Senior Member
Damon Owners Club
Join Date: Apr 2020
Location: Clovis NM
Posts: 4,389
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__________________
2006 Damon Daybreak 3276 35'with 5 Star Tuner. 3 200 Amp Lithium batteries and 2000 watt PSW inverter/charger. 2013 Elantra on a Master Tow dolly.
Retired USAF
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12-12-2021, 09:09 AM
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#9
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Senior Member
Join Date: May 2018
Posts: 3,157
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Do you not have a boost switch on the dash?
__________________
Brian, 2011 Winnebago Via Class A on Sprinter Chassis
2000 Jeep TJ toad
Tucson, AZ
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12-12-2021, 09:19 AM
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#10
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Senior Member
Join Date: Mar 2019
Location: Lansing MI
Posts: 2,821
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Quote:
Originally Posted by MarkSaxton
The alternator in the vehicle keeps the battery charged as long as the battery is within its service life.
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This is only true if you use the vehicle at least weekly maybe biweekly. Leave your vehicle at an airport and come back a month later and the battery will be dead. I bought a $20 solar maintainer from Home Depot and it works fine. I will keep the battery charged for at least a few months.
__________________
An Old Fisherman
2017 Nexus Ghost 36DS, 2014 Ford F150 Long Bed
2007 Harley-Davidson Ultra Classic
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12-12-2021, 10:32 AM
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#11
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Senior Member
Join Date: Jan 2018
Posts: 366
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For future reference, it may be helpful when storing your motor home to either disconnect the chassis battery or keep a battery tender on it. We do the latter, in part because we don't feel like reprogramming the radio every time we come back to the rig for another round of camping. It works beautifully to keep the chassis battery happy, and likely extends its life. If we ever need a "jump," we'll press the button on the dash that others have noted.
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12-12-2021, 10:48 AM
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#12
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Senior Member
Join Date: May 2021
Location: Asheville, NC
Posts: 2,258
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I always carry a Schumacher SC1281. Used it mostly to jump start other campers trucks and motorhomes, and even a boat engine. Works great, and has a built-in flashlight in case you have to use it at night. Also used it, before switching to LiFePo4, on my TT deep cycle marine battery when it had discharged and I could get the slide in.
__________________
Jim. 2021 Canyon 3.6L, 2021b Micro Mini 2108DS
400w solar, 170AH LiFePo4, Xantrex XC2000, Victron 75/15 & 100/30, Champion 2500w df, 2Kwh powerstation
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12-12-2021, 08:03 PM
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#13
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Senior Member
Join Date: Jun 2017
Location: Western Montana
Posts: 972
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20 ft jumper cables so you can reach the chassis battery under the hood from the coach batteries.
__________________
Mike & JoAnne
Montana Summer / Arizona Winter
'16 Prism 24G / '02 HitchHiker 38 LKTG
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12-12-2021, 09:49 PM
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#14
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Senior Member
Join Date: Jun 2021
Location: Stanislaus County, CA
Posts: 589
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Noco Boost. I have the GB150 and it's supposed to be able to jump my Dmax
__________________
2021 Flagstaff 21DS behind a 2015 Silverado 2500HD
Renogy bits: 3000W Inverter/Charger, 400Ah LiFePo4, 40A DC-to-DC. Rich Solar bits: 400W of panels, 40A MPPT. Misc bits: LevelMatePro+, SolidRemote based wireless controlled LED storage lighting
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