⚡ Stay Powered, Stay Ahead — Never Get Stranded Again!
The Schumacher SL1643 is a compact, 4-in-1 lithium jump starter delivering 2000 amps to jump gas and diesel engines up to 10L. It features a patented 10W wireless charging pad, dual USB ports for ultra-fast device charging, and a versatile 3-mode LED light. With smart safety clamps and a large LCD display, it offers reliable, independent vehicle starts and rapid recharging in just 7-8 hours. Perfect for professionals who demand power, portability, and peace of mind on the go.
| Brand | Schumacher Electric |
| Product Dimensions | 1.57"D x 3.3"W x 7.59"H |
| Item Weight | 1.4 Pounds |
| Amperage | 2000.0 |
| Peak Output Current | 2000 Amps |
| Specification Met | UL |
| Manufacturer | Schumacher Electric |
| UPC | 026666816434 |
| Automotive Fit Type | Universal Fit |
| Model | Schumacher Electric SL1643 Lithium Portable Power Pack and Jump Starter |
| Item Weight | 1.4 pounds |
| Item model number | SL1643 |
| Exterior | Machined |
| Manufacturer Part Number | SL1643 |
M**A
HIGHLY RECOMMEND!
Excellent! I have trusted many versions of this device since 2017. Comes charged about 60%. I just jump started a 2001 Ford F-250 7.3L diesel engine with ease. That only used up 14%! This purchase was to upgrade my old unit that I use with my 2011 Camaro 6.2L. I also used my old device to charge my phone and tablets when charging. I’m looking forward to using the wireless charging of this iteration!
C**S
Nice compact design.
I use this jump pack in my shop for small engine work. It has performed well over the years I've had it, with no issues.
D**B
Jump tool
Clear instructions and well made!!!
T**.
Ruined my laptop
Used an open USB port on my laptop to charge it, once I got in in the mail. The battery percentage started dropping on the jump starter, and my laptop shut off. Not to come on again. $2,000 Dell laptop. Not cool. Clearly defective.
B**H
Love this thing. Wish I would had it earlier
My battery gave out on my 2018 Escalade. I wish I would have this. I bought another one at a store but it didn't have enough power to get my vehicle started and I had a call. AAA. End up buying this afterwards and I love it. For all the features that has with the charger on top and the power it has to crank over even a diesel 8.7 l. Used it once. Hope I don't have to use it again but if I do I know it's going to be there for me. Definitely buy one of these again!
P**E
Schumacher SL1643
I ordered this after having to have my car jump started and the service man used a similar model.The first one I ordered did not work. A Schumacher tech walked through testing it with me and offered to send me a label so they could repair it. Instead, I returned it to Amazon and ordered another.Requires a 2A USB charger, but doesn't come with one. I used the charger for my iPhone.Came 88% charged and reached 100% relatively quickly.My iPhone max has been sitting on it charging for about an hour and has gone from 80% to 95% which has reduced the power level in the jump starter from 100% to 90%.We shall see how well it holds up to being in the trunk of my car.
N**S
Very Dependable, Keeps Strong Charge
I bought a similar jump pack a couple of years ago. (Different brand.) The last one would jump the car once and need recharged. THIS device has made me very happy. I used it 4 times without needing to charge it. Actually, it is still holding the charge. I'm not sure how many jumps I can get before needing to charge again. I will update this review if I have more data to share.
H**.
Great product
This thing has already saved me from being stranded twice. Easy to use and perfect size!!
Trustpilot
1 day ago
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