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Dr.W 3.1K Views
Sep 7, 2026 2:45 PM

Leagend JS300 1000A Permanent Mount Super Capacitor Jump Starter $119.99

$120

$240

50% off
Amazon
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Deal Details
eCoupon at checkout: 9XDEXGO8
  • JS300 1000A- $119.99
  • JS600 1300A - $219.99

Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.

Amazon.com: leagend Permanent Mount Super Capacitor Jump Starter - 1000A | Permanent 12V Engine Start System with Super Capacitor,Health Monitor via App,-40°F~176°F,No Internal Energy Storage : Automotive

https://www.amazon.com/dp/B0GLGCFHY4?th=1
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Deal Details
Community Notes
About the Poster
eCoupon at checkout: 9XDEXGO8
  • JS300 1000A- $119.99
  • JS600 1300A - $219.99

Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.

Amazon.com: leagend Permanent Mount Super Capacitor Jump Starter - 1000A | Permanent 12V Engine Start System with Super Capacitor,Health Monitor via App,-40°F~176°F,No Internal Energy Storage : Automotive

https://www.amazon.com/dp/B0GLGCFHY4?th=1

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4 Comments

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Sep 11, 2026 6:10 PM
85 Comments
Joined Jun 2023
QueenAngSep 11, 2026 6:10 PM
85 Comments
Shitty Ancel Clone
1
Pro
Sep 14, 2026 12:41 AM
2K Comments
Joined Jul 2019
WoodSlayR
Pro
Sep 14, 2026 12:41 AM
2K Comments
All 26 reviews are vine reviews. AKA people who got the product for free and are encouraged to give good reviews for fear of losing there "vine status". I trust vine reviews as much as I trust used car salesmen.
Last edited by WoodSlayR September 13, 2026 at 05:43 PM.
Pro
Sep 15, 2026 3:45 PM
2K Comments
Joined Sep 2017
CartCipher
Pro
Sep 15, 2026 3:45 PM
2K Comments
Leagend via Amazon has the Permanent Mount Super Capacitor Jump Starter - 1000A for $239.99–$439.99. Apply promo code 9XDEXGO8 at checkout = $119.995–$219.995.

Product Link: https://www.amazon.com/dp/B0GLGCFHY4
  • Promo Code: 9XDEXGO8
  • Original Price: $239.99–$439.99
  • Final Price: $119.995–$219.99
  • 50% off with promo code.

Product Details:
  • JS300 supercapacitor jump starter contains no internal chemical battery cells and connects directly to the vehicle battery.
  • Rated for up to 1000A peak discharge current and 15V maximum output for 12V passenger vehicles.
  • Built-in protections cover reverse polarity, overload and overcurrent conditions.
  • Companion Super Starter app can display vehicle voltage, current and temperature data.

Seller: Leagend | Expires: 2026-9-3023:59PDT.
1
Sep 15, 2026 3:57 PM
64 Comments
Joined Mar 2022
VolitionSep 15, 2026 3:57 PM
64 Comments
Anyone have experience with this? Interesting idea.

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