The jump started is designed to work with 12 volt batteries only. It is not able to work with 6 volt batteries.
Free Gift Card Details
$100 Order
$250 Order
$500 Order
$1000 Order
- The promotion will be automatically applied on the Shopping Cart page.
- To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
- Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
- E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
- Free e-gift cards expire 11/01/26.
- Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
- Valid online and in participating retail stores.
- Limited-time offer. Subject to change without notice.
Milwaukee M18 HOTSHOT Jump Starter, Model# 3841-20

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Available now
$19.99 Same DayStore Pickup:
2 in stock at Fredericksburg VA - Pickup in under 1 hr
- Always Ready To Jump
- True All-Weather Performance
- Longer Life
- Jump with M18™ Batteries, Optimized For M18™ REDLITHIUM™ XC5.0 & Above
- Prepared To Jump In Under 70 Seconds
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
What's Included
- (1) Jump Starter

Features + Benefits
- Always Ready To Jump
- True All-Weather Performance
- Longer Life
- Jump with M18™ Batteries, Optimized For M18™ REDLITHIUM™ XC5.0 & Above
- Prepared To Jump In Under 70 Seconds
- No Maintenance Required
- Jump up To 8.1L Gas & 3.0L Diesel
- Capacitors Rated Up To 500,000 Cycles
- Performs At -4°F To 122°F
- Up To 70 Jump Starts With One M18™ XC5.0 Battery
- 2000 Peak Amps
- Spark Proof, Reverse Polarity, & Overheat Protection
- Custom Clamp Design
- Digital Display With Voltage Readout
- IP65 Rated (Tool Only)
Key Specs
| Attribute | Specification |
|---|---|
item# | 6687018 |
Brand | Milwaukee |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 7.6 LB |
Amps | 2,000 |
Watts | 0 |
Polarity Reversal Protection | Yes |
Internal Battery Type | Lithium-ion |
Cable Length | 22.5 in |
Cable Gauge | 0 |
Clamp Material | Metal |
Includes Air Compressor | No |
| Attribute | Specification |
|---|---|
LED Indicators | No |
Outlets (qty.) | 0 |
USB Ports (qty.) | 0 |
Max. PSI | 0 |
Display Type | Digital |
Built in Inverter | No |
Handle Included | No |
Adapters Included | No |
Reverse-Polarity Detector | Yes |
Product Weight | 6.9000 lb |
Dimensions L x W x H (in.) | 11.5 x 8.7 x 4.2 in |
Reviews
Questions & Answers
Questions
-
· 3 months ago
will this work on a 6 volt battery
1 answer-
ProductExpert11· 3 months ago
Helpful?
-
-
· 6 months ago
Will a M18 battery work?
1 answer-
ProductExpert6· 5 months ago
The jump starter would use an M18 (18-volt) Milwaukee battery.
Helpful?
-
-
· 7 months ago
Will it work with AGM batteries?
1 answer-
ProductExpert6· 7 months ago
The battery charger will work on 12-volt AGM batteries.
Helpful?
-
-
· 8 months ago
So it will not work on a 6.1 diesel?
1 answer-
ProductExpert6· 8 months ago
The jump starter will not work on a 6.1L diesel engine.
Helpful?
-
-
Anonymous· 9 months ago
Does the milwaukee jumper pack include the battery.
1 answer-
ProductExpert10· 9 months ago
The Milwaukee M18 HOTSHOT Jump Starter (Model# 3841-20) does not include a battery.
Helpful?
-
Accessories We Recommend
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Milwaukee M18 REDLITHIUM FORGE HD12.0 Battery Pack, Model# 48-11-1813
Item # 6092794
Order today to get this price.
Warranty
Manufacturer's Warranty
3 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
Compare with Most Popular in Jump Starters + Powerpacks
See All Jump Starters + Powerpacks
See All Milwaukee Jump Starters + Powerpacks
Currently Viewing This Product
Item # 6687018
$299.00Shipping:
Available now
$19.99 Same DayStore Pickup:
2 in stock at Fredericksburg VA - Pickup in under 1 hr
Item # 81945
$119.99Shipping:
Available nowStore Pickup:
Not available - online only
- $4499.99
Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $4195.00
Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Specifications
2,000
800
800
800
0
-
-
-
Yes
No
Yes
Yes
Lithium-ion
-
AGM
AGM
22.5 in
-
240 in
120 in
0
8
2
2
Metal
-
Copper
Copper
No
Yes
No
No
No
Yes
Yes
Yes
0
0
-
-
0
1
-
-
0
150
-
-
Digital
-
LED
LED
No
No
-
-
No
Yes
Yes
Yes
No
-
Yes
Yes
Yes
No
Yes
Yes
6.9000 lb
11.0000 lb
265.0000 lb
310.0000 lb
11.5 x 8.7 x 4.2 in
10.625 x 10.875 x 9.75 in
30.0 x 17.5 x 18.5 in
45.0 x 24.0 x 42.0 in
-
12
18
18
-
Yes
1
1
-
-
High Output 20A Charger, 120 Vac w/quick recharge
-
-
-
12V battery
12V battery
-
-
240 (20 ft.)
120 (10 ft.)
See All Jump Starters + Powerpacks
See All Milwaukee Jump Starters + Powerpacks
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.






