WOLFBOX JS12 Jump Starter , 44.4Wh Portable Battery 2000A Jump Box Pack, 12V Car Battery Booster with LED Light (7L Gas / 6L Diesel Engine) (No Adapter)
WOLFBOX JS12 Jump Starter , 44.4Wh Portable Battery 2000A Jump Box Pack, 12V Car Battery Booster with LED Light (7L Gas / 6L Diesel Engine) (No Adapter)
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WOLFBOX JS12 Jump Starter , 44.4Wh Portable Battery 2000A Jump Box Pack, 12V Car Battery Booster with LED Light (7L Gas / 6L Diesel Engine) (No Adapter)

|63 ratings
WOLFBOX JS12 Jump Starter , 44.4Wh Portable Battery 2000A Jump Box Pack, 12V Car Battery Booster with LED Light (7L Gas / 6L Diesel Engine) (No Adapter)WOLFBOX JS12 Jump Starter 44 4Wh Portable Battery 2000A Jump Box Pack 12V Car Battery Booster LED Light 7L Gas 6L Diesel Engine No AdapterWolfBox 2000A Car Jump Starter Portable Battery Booster Pack 12V Power Bank for 7L Gas 6L Diesel Engines
ModelJS12

Key item features

  • 2000A 44.4Wh Jump Starter - Built-in 12000mAh battery jump starter delivers up to 2000A peak current to restart a completely dead 12V vehicle. Works for sedans, pickups, motorcycles, and lawn mowers. Supports gasoline engines up to 7L and diesel engines up to 6L.
  • 30W USB-C Fast Charging - Features a 30W USB-C in/out port and a QC3.0 USB-A port. The car jump starter fully recharges the built-in battery in just 1.5 hours and simultaneously charges phones, tablets, and other portable devices during travel or camping. Please note that this product does not include a charging adapter.
  • Ultra-Compact & Portable - The battery jumper starter weighs only 1 pound with a palm-sized build. Includes a canvas storage bag that fits easily into glove compartments, backpacks, or camping gear without adding bulk.
  • 300-Lumen LED Flashlight - The 300-lumen LED flashlight on this jump box features SOS, strobe, and high-beam modes, serving as a reliable emergency light in roadside or outdoor situations.
  • High-Definition Display - Built-in LCD screen shows real-time power status, battery level, and functional indicators at a glance, making it easy to monitor your jump starter's readiness before use.

Specs

Battery capacity, 12000 mAhAmps, 2000 AAutomotive battery type, Lithium-Ion BatteryBrand, WolfBoxPower type, BatteryCable length, 15 in

About this item

Product details

WOLFBOX JS12 2000A Car Battery Jump Starter, Portable Jump Starter Pack, Battery Booster, Fast Charger and Jumper Cables for 7L Gasoline and 6L Diesel Engines. This car jump starter delivers up to 2000A peak current with a 44.4Wh / 12000mAh battery, safely starting 7L gasoline and 6L diesel engines. Works on all 12V sedans, pickups, motorcycles, and lawn mowers, yet remains compact and portable. Smart jumper clips provide reliable boosting even for completely dead batteries, while the built-in LCD screen clearly displays power status, battery level, and functional indicators at a glance. The battery jump starter also features a 30W USB-C input/output port and a QC3.0 USB-A port for simultaneously charging phones, tablets, and other devices during travel or camping. The jump starter is covered by a 24-month warranty from WOLFBOX with 24/7 customer support. The Charging adapter is not included.
  • 2000A 44.4Wh Jump Starter - Built-in 12000mAh battery jump starter delivers up to 2000A peak current to restart a completely dead 12V vehicle. Works for sedans, pickups, motorcycles, and lawn mowers. Supports gasoline engines up to 7L and diesel engines up to 6L.
  • 30W USB-C Fast Charging - Features a 30W USB-C in/out port and a QC3.0 USB-A port. The car jump starter fully recharges the built-in battery in just 1.5 hours and simultaneously charges phones, tablets, and other portable devices during travel or camping. Please note that this product does not include a charging adapter.
  • Ultra-Compact & Portable - The battery jumper starter weighs only 1 pound with a palm-sized build. Includes a canvas storage bag that fits easily into glove compartments, backpacks, or camping gear without adding bulk.
  • 300-Lumen LED Flashlight - The 300-lumen LED flashlight on this jump box features SOS, strobe, and high-beam modes, serving as a reliable emergency light in roadside or outdoor situations.
  • High-Definition Display - Built-in LCD screen shows real-time power status, battery level, and functional indicators at a glance, making it easy to monitor your jump starter's readiness before use.
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Specifications

Battery capacity

12000 mAh

Amps

2000 A

Automotive battery type

Lithium-Ion Battery

Brand

WolfBox

Warranty

Warranty information

24-month Warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.7 out of 5 stars
stars
63 ratings24 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars87% (55)
  2. 4 stars3% (2)
  3. 3 stars2% (1)
  4. 2 stars5% (3)
  5. 1 star3% (2)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 24 reviews

Sep 22, 2026
Reviewer name: Cassandra
Item details
Model: JSMegaVolt12
Sold byWolfBoxDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

2

Purchased two of these and we love them

Helpful?3LO84NGJ3KX120195252105
May 1, 2026
Reviewer name: Ruby
Sold byWolfBoxDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Love it it works amazing

Helpful?3LO84NGJ3KX120195252105
Jan 3, 2026
Reviewer name: Pamela
Sold byWolfBoxDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Highly recommend this Wolfbox!

I am very satisfied with this Jump box. The battery life is very good. I've jumped 3 vehicles, including a Diesel pickup. I still have 75% battery life. Love it!

Incentivized Review
Helpful?3LO84NGJ3KX120195252105
Current price is Now $62.99
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was $109.99
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4.7 stars out of 5, based on 359 seller reviews(4.7)
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