Will it start a V8 truck?

The 6000A figure is peak current, not cranking amps. It should handle most cars and light SUVs, but a large diesel or a fully drained V8 may need a bigger unit.

It charges through a DC charger, the same type as a car accessory socket adapter. Charge it every few months so it is ready when you need it.

Can it charge my phone?

Yes. The 44.4Wh battery doubles as a power bank with USB output for phones and small devices.

Is $58.89 a good price?

Only one store lists it new at $58.89 as of November 8, 2026, so there is no recent range to judge against. Compare it with similar 12V lithium jump starters before buying.

Expect the jump starter, jumper cables and a DC charging cable. A carry case is not confirmed, so check the listing before you buy.

What does the warranty cover?

Parts and labor are covered for one year from purchase.

AMUMU 3-in-1 Portable Lithium Car Jump Starter 44.4Wh

Best price now

$58.89at Best BuyObserved at 7:57 AM

Prices are checked against each store and labelled with when.

Visit Best Buy

AMUMU 3-in-1 Portable Lithium Car Jump Starter 44.4Wh

Best price now

$58.89at Best BuyObserved at 7:57 AM

Prices are checked against each store and labelled with when.

Visit Best Buy

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Our take on the AMUMU 3-in-1 Portable Lithium Car Jump Starter 44.4Wh

The AMUMU 3-in-1 is a 12V lithium jump starter rated at 6000A peak, with a 44.4Wh battery, built-in work light and USB charging for phones. It is small enough to keep in a glovebox at 3.54 inches wide and comes with a one-year parts and labor warranty. At $58.89 at Best Buy as of November 8, 2026, it is the only new price listed, so there is no recent range to compare it against.

Best forDrivers who want a compact jump starter in the trunkSmall and mid-size cars and light SUVsCamping and roadside emergenciesCharging phones and small devices on the go

Pros

6000A peak rating is high for the price class
44.4Wh battery also works as a power bank
Built-in light helps with night-time jumps
Compact 3.54-inch body fits in a glovebox
One-year parts and labor warranty

Cons

6000A peak is a marketing figure; real cranking power is lower
No AC outlet, so it cannot run small appliances
Jumper cable length is not specified
Only one store lists it new, so price competition is thin

AMUMU 3-in-1 Portable Lithium Car Jump Starter 44.4Wh prices at every store

Best BuyNew
In stock
$58.89Observed at 7:57 AM
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AMUMU 3-in-1 Portable Lithium Car Jump Starter 44.4Wh price history

Lowest price we've seen: $58.89 on Nov 8 at Best Buy. Tracked across 1 store since Nov 8.

Specifications

Amperage: 6000
Voltage: 12
Charger Type: DC
Product Width: 3.54 inches
Cord Length: 0 feet
Warranty - Parts: one year
Warranty - Labor: one year

Questions and answers

Will it start a V8 truck?: The 6000A figure is peak current, not cranking amps. It should handle most cars and light SUVs, but a large diesel or a fully drained V8 may need a bigger unit.
How do I charge it?: It charges through a DC charger, the same type as a car accessory socket adapter. Charge it every few months so it is ready when you need it.
Can it charge my phone?: Yes. The 44.4Wh battery doubles as a power bank with USB output for phones and small devices.
Is $58.89 a good price?: Only one store lists it new at $58.89 as of November 8, 2026, so there is no recent range to judge against. Compare it with similar 12V lithium jump starters before buying.
What is in the box?: Expect the jump starter, jumper cables and a DC charging cable. A carry case is not confirmed, so check the listing before you buy.
What does the warranty cover?: Parts and labor are covered for one year from purchase.
Where is the AMUMU 3-in-1 Portable Lithium Car Jump Starter 44.4Wh cheapest?: At Best Buy, for $58.89, as of our latest check.

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