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frontpagedoublehelixx | Staff posted Jul 03, 2026 07:40 PM
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frontpagedoublehelixx | Staff posted Jul 03, 2026 07:40 PM

LOKITHOR J2250 PRO 2250A 12V LiFePO4 Jump Starter w/ ConnectMax

+ Free S&H

$65

$130

50% off
Amazon
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LOKITHOR Online via Amazon has LOKITHOR J2250 PRO 2250A 12V LiFePO4 Jump Starter w/ ConnectMax (J401) for $129.95 - $64.98 when you apply promo code J2250050 at checkout = $64.97. Shipping is free.

Note: You must be logged in to clip coupons and apply promo codes. If a code doesn't work right away, try applying it a few times across different interfaces such as mobile or desktop, as some codes may not apply consistently. If issues persist, refresh the page, re-enter the code, or revisit the cart before checking out.

Thanks to Deal Hunter doublehelixx for finding this deal.

About this item:
  • Product Dimensions: 4.02"D x 2.28"W x 8.38"H
  • 2250A peak power: Starts up to 8.0L gas / 6.0L diesel engines, even in extreme temperatures (-4°F to 140°F).
  • LiFePO4 battery tech: Long lifespan (2000+ full cycles), safer and more stable than traditional lithium or lead-acid batteries.
  • Fast 60W charging + power bank: Fully recharges in ~1 hour, can charge phones, tablets, and laptops via USB-C/USB-A.
  • Durable & safe design: IP65 waterproof/dustproof with 10 protection systems (spark-proof, reverse polarity, overcurrent, etc.).
  • Smart + portable kit: ConnectMAX ensures reliable starts; includes LED flashlight (6 modes) and full accessory pack for travel use.

Editor's Notes

Written by Neo45 | Staff

Original Post

Written by doublehelixx | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
LOKITHOR Online via Amazon has LOKITHOR J2250 PRO 2250A 12V LiFePO4 Jump Starter w/ ConnectMax (J401) for $129.95 - $64.98 when you apply promo code J2250050 at checkout = $64.97. Shipping is free.

Note: You must be logged in to clip coupons and apply promo codes. If a code doesn't work right away, try applying it a few times across different interfaces such as mobile or desktop, as some codes may not apply consistently. If issues persist, refresh the page, re-enter the code, or revisit the cart before checking out.

Thanks to Deal Hunter doublehelixx for finding this deal.

About this item:
  • Product Dimensions: 4.02"D x 2.28"W x 8.38"H
  • 2250A peak power: Starts up to 8.0L gas / 6.0L diesel engines, even in extreme temperatures (-4°F to 140°F).
  • LiFePO4 battery tech: Long lifespan (2000+ full cycles), safer and more stable than traditional lithium or lead-acid batteries.
  • Fast 60W charging + power bank: Fully recharges in ~1 hour, can charge phones, tablets, and laptops via USB-C/USB-A.
  • Durable & safe design: IP65 waterproof/dustproof with 10 protection systems (spark-proof, reverse polarity, overcurrent, etc.).
  • Smart + portable kit: ConnectMAX ensures reliable starts; includes LED flashlight (6 modes) and full accessory pack for travel use.

Editor's Notes

Written by Neo45 | Staff

Original Post

Written by doublehelixx | Staff

Community Voting

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17 Comments

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Yesterday 04:22 AM
346 Posts
Joined Jul 2020
Phixion35Yesterday 04:22 AM
346 Posts
Having this type of battery is great, too bad they are charging more for it when it's pretty cheap these days in the power station realm. Still a solid buy considering the unit provides real-time battery voltage monitoring of the battery the clips are connected to. Almost no jump starters offer that except for the Noco GB150 and a unit from Oxilam that I've seen, also one other off brand that has it built into the connector on the clips that connects to the jump starter. This Lokithor unit also supports 65w PD output via the USB-C port which not many of these do.
Last edited by Phixion35 July 3, 2026 at 09:40 PM.
Yesterday 05:21 AM
2,683 Posts
Joined Jan 2009
fithosYesterday 05:21 AM
2,683 Posts
Quote from Phixion35 :
Having this type of battery is great, too bad they are charging more for it when it's pretty cheap these days in the power station realm. Still a solid buy considering the unit provides real-time battery voltage monitoring of the battery the clips are connected to. Almost no jump starters offer that except for the Noco GB150 and a unit from Oxilam that I've seen, also one other off brand that has it built into the connector on the clips that connects to the jump starter. This Lokithor unit also supports 65w PD output via the USB-C port which not many of these do.
These are definitely not the same battery as those from power stations. The chemistry may be the same but the battery design is different. Lifepo4 battery normally have low C discharge rate, which is one reason they are rated highly for safety. These are not low C discharge rate battery.

Also at this price is thing is a steal actually. It have a pretty big size battery (over 55 WH I believe) which will be bigger than any of sub $60 jump starter listed recently. It has 65w pd in/out as the other person here stated. It has a built in volt meter. It has a beefy jump cables (8 or 6 sized).
Last edited by fithos July 3, 2026 at 10:31 PM.
1
Yesterday 05:37 AM
346 Posts
Joined Jul 2020
Phixion35Yesterday 05:37 AM
346 Posts
Quote from fithos :
These are definitely not the same battery as those from power stations. The chemistry may be the same but the battery design is different. Lifepo4 battery normally have low C discharge rate, which is one reason they are rated highly for safety. These are not low C discharge rate battery.Also at this price is thing is a steal actually. It have a pretty big size battery (over 55 WH I believe) which will be bigger than any of sub $60 jump starter listed recently. It has 65w pd in/out as the other person here stated. It has a built in volt meter. It has a beefy jump cables (8 or 6 sized).
That's good info. While I know battery design won't be the same, didn't know that these don't exactly behave the same way either. I'd imagine these are a bit more forgiving in a hot trunk or glovebox than traditional portable jump boxes out there?
Yesterday 09:54 AM
2,728 Posts
Joined Jun 2007
89turboiiYesterday 09:54 AM
2,728 Posts
Quote from fithos :
These are definitely not the same battery as those from power stations. The chemistry may be the same but the battery design is different. Lifepo4 battery normally have low C discharge rate, which is one reason they are rated highly for safety. These are not low C discharge rate battery.

Also at this price is thing is a steal actually. It have a pretty big size battery (over 55 WH I believe) which will be bigger than any of sub $60 jump starter listed recently. It has 65w pd in/out as the other person here stated. It has a built in volt meter. It has a beefy jump cables (8 or 6 sized).
You sure about that? They are def not lithium titanate and the lokithor china brand isn't reputable. We picked one up and three starts and the thing died. Our avapow held up for two years in a commercial use setting not sure if the new ones are as good as the older ones seems to be a race to the bottom in terms of overrating capacity with this brand tho.
Pro
Yesterday 11:08 AM
2,285 Posts
Joined Feb 2024
Papi-Chino
Pro
Yesterday 11:08 AM
2,285 Posts
Loki god mischief & Thor god thunder join forces to create a car battery jumper. What type of black magic they got in there?
1
1
Yesterday 04:28 PM
2,683 Posts
Joined Jan 2009
fithosYesterday 04:28 PM
2,683 Posts
Quote from 89turboii :
You sure about that? They are def not lithium titanate and the lokithor china brand isn't reputable. We picked one up and three starts and the thing died. Our avapow held up for two years in a commercial use setting not sure if the new ones are as good as the older ones seems to be a race to the bottom in terms of overrating capacity with this brand tho.
I'm fairly sure.
Lithium Titanate is a different chemistry altogether. We are talking about Lifepo4 batteries. Replying to Phixion35 I was saying these are Lifepo4 battery but not the same kind as those use in power stations. These are engineer specifically for high discharge C rate so the prices should not be comparable because they are different battery designs.
Last edited by fithos July 4, 2026 at 09:33 AM.
Yesterday 11:24 PM
981 Posts
Joined Jul 2005
JediWolverineYesterday 11:24 PM
981 Posts
Quote from fithos :
I'm fairly sure.
Lithium Titanate is a different chemistry altogether. We are talking about Lifepo4 batteries. Replying to Phixion35 I was saying these are Lifepo4 battery but not the same kind as those use in power stations. These are engineer specifically for high discharge C rate so the prices should not be comparable because they are different battery designs.
Any reliable jump starter you can recommend? All of the Li-ion jump starter I have (Anker, Ravpower, Gooloo) eventually swells and can't hold a charge anymore.

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Today 01:41 AM
2,683 Posts
Joined Jan 2009
fithosToday 01:41 AM
2,683 Posts
Quote from JediWolverine :
Any reliable jump starter you can recommend? All of the Li-ion jump starter I have (Anker, Ravpower, Gooloo) eventually swells and can't hold a charge anymore.
I didn't even know that Ravpower makes a jump starter. If you are saying that you have owned these jump starters and the all swell in the end then you might live in too hot an environment and/or you are storing these at full charge. If that is the case your best option is Super Capacitor Jump Starter or the newer Sodium Ion jump starter. They are both more weather resistant than Lipo jump starters.
I can attest for the Super Capacitor being weather resistant as I have one in the car for years.
Last edited by fithos July 4, 2026 at 06:44 PM.
1
Pro
Today 04:04 AM
2,285 Posts
Joined Feb 2024
Papi-Chino
Pro
Today 04:04 AM
2,285 Posts
The stupid name is dead give away it's made in china.
1
1
Today 04:36 AM
456 Posts
Joined Nov 2019
MaroonPocket778Today 04:36 AM
456 Posts
In for one. I have thr older slower one and it jumped a completely dead 4v battery on a 3L inline 6 cyl....
Today 12:00 PM
44 Posts
Joined Aug 2013
billabongrobToday 12:00 PM
44 Posts
I know it's not the same exact model but I did buy the lower LOKITHOR JT400. I've used it to jump my vintage Lincoln with a 7.5L v8 a handful of times. I've jumped neighbors cars and even used the app to test my alternator and diagnose a bad battery within my warranty period on my Lexus gx460. At this point, I'm a believer and I don't care where it was manufactured. YMMV
1
Today 01:03 PM
329 Posts
Joined Jan 2012
brybo86Today 01:03 PM
329 Posts
Quote from 89turboii :
You sure about that? They are def not lithium titanate and the lokithor china brand isn't reputable. We picked one up and three starts and the thing died. Our avapow held up for two years in a commercial use setting not sure if the new ones are as good as the older ones seems to be a race to the bottom in terms of overrating capacity with this brand tho.
I could care less about the claimed capacity or amp output.

What matters is output per dollar.
Today 01:19 PM
3,960 Posts
Joined Nov 2008
CollegeRamenEatToday 01:19 PM
3,960 Posts
Loki AND Thor? wow what a deal
Pro
Today 02:07 PM
2,285 Posts
Joined Feb 2024
Papi-Chino
Pro
Today 02:07 PM
2,285 Posts
Quote from CollegeRamenEat :
Loki AND Thor? wow what a deal
Yup, the god of thunder & god of mischief unite to bring you a battery jump starter. From the creative brain trust coming outta the peeps republic y'all.
1

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Today 02:56 PM
49 Posts
Joined Jan 2020
SmilingField373Today 02:56 PM
49 Posts
Everyone should have one - even if you buy a cheaper one. No reason to depend on others for a jump with these things available and so easy (and safer) to use.

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