The Best Portable Car Battery Charger in 2024

When used correctly, a quality charger can extend the life of a car battery. Keeping your battery charged on a regular basis prevents sulfation, a process in which lead sulfate crystals accumulate on the surface of a battery, rendering it useless. 

Look for the best portable car battery charger if you need to jumpstart a dead battery. Don't know which to get? This post will assist you in discovering and selecting the best products.

Check out our picks for The Best Rechargeable Battery Charger, The Best Solar Cell Phone Charger, and Best Solar Chargers For Camping.

1. Schumacher SC1309

Specifications

• Engine Start: 200A

• Boost: 40A

• Maintain/Charge: 6<>2A

• Voltage: 6/12V

• Battery Type: Standard, AGM, deep-cycle

• Display Type: Digital display

Pros

• Auto voltage detection

• Built-in tester

• Float mode

• Safe and reliable

Cons

• The battery charger will not charge a battery with low voltage.

Product's Summary

The Schumacher SC1309 completely automatic unit includes a 40 Amp boost mode for swiftly recharging highly drained batteries and a 200 Amp engine start for automobiles, trucks, SUVs, marine vehicles, and RVs. 

This charger has a heavy-duty transformer, LED indicators, and color-coded clamps with a 6-foot power chord and output cables for a total reach of 12-foot. 

This microprocessor-controlled charger features multi-stage charging, automatic voltage detection, automatic amperage adjustment, a built-in battery, an alternator tester, and reverse hook-up protection. With a robust case and retractable handle, the compact wheels allow for easy transit and storage.

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2. NOCO Boost HD GB70

Specifications

• Battery Cell Composition: ‎Lithium

• Voltage: 12 Volts

• Item Dimensions LxWxH: 12.6 x 7.4 x 3.7 inches

• Vehicle Service Type: SUV

• Item Weight: 5 Pounds

• Amperage: ‎2000 Amps

• Peak Output Current: ‎2000 Amps

Pros

• Maintains a charge well

• jump-starts dead batteries in seconds

• can serve as a power source

• Each charge can provide up to 40 jump starts

Cons

• It provides a jump instead of a charge

Product's Summary

The NOCO Boost HD GB70 is a lithium-ion automobile battery jump-starting pack for 12-volt batteries that is ultra-portable, lightweight, and compact. It allows you to jump-start a dead battery in seconds and up to 40 times on a single charge.

The GB70 auto battery jump box has a 400-lumen LED flashlight with seven different light modes: low, medium, high, flashing, strobe, and emergency SOS. It can be used for up to a year without being recharged. 

Any personal mobile device, such as smartphones, tablets, or other USB devices, can be recharged by an internal battery charger, a power bank, or any powered USB port.

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3. DEWALT DXAEPS14

Specifications

• Battery Cell Composition: ‎Lead Acid

• Voltage: 12 Volts

• Item Dimensions LxWxH: 13.4 x 6.8 x 12.6 inches

• Vehicle Service Type: Passenger Car, Truck

• Item Weight: 19 Pounds

• Amperage: ‎1600 Amps

• Peak Output Current: 1600 Amps

Pros

• Vehicles jumped fast

• Built-in 120PSI air compressor

• Strong construction

• Checker for alternators

• There are two USB ports

Cons

• Heavy

Product's Summary

The DEWALT Professional Grade Digital Power Station is the best portable power source. It has a sturdy, impact-resistant housing design that will not roll around in your vehicle and a handy storage bag for the clamps and cables.

It also has a 1,400 peak amp 12-volt jump starter with alternator check, a 500-watt power inverter with dual 120-volt AC outlets, a 120 PSI digital air compressor with Autostop functionality, ultrabright LED area lights, and four high-output USB charging ports (6.2 amps total) for charging your electronics. 

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4. Scosche PBJ700-1

Specifications

• Item Weight: ‎2.5 pounds

• Product Dimensions: ‎10.25 x 6.87 x 3.37 inches

• Batteries: 1 Lithium Polymer batteries required. 

• Amperage: ‎700 Amps

Pros

• Battery status indicator

• Flashlight

• There are two USB ports

• Lightweight and compact

Cons

• In cold temperatures, it is not dependable

Product's Summary

The SCOSCHE PBJ700-1 portable car jump starter is a lightweight and small solution to vehicle emergencies. The 15,000 mAh 700A peak portable battery's excellent technology and adequate power will jump-start your car, truck, boat, motorbike, or ATV/UTV when the battery is low or entirely dead. 

The battery booster has a 1,000+ charge and recharge cycle and may stay fully charged for up to 6 months without needing to be recharged. It can also be used to charge a mobile phone or GPS device, or as a flashlight with SOS mode or a strobe in the event of an emergency in low light or at night.

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1. What is the ideal capacity for a portable charger?

Capacities ranging from 6,000mAh to 15,000mAh are ideal since they provide enough power to charge your device several times. They may also include two or more ports for charging several devices at the same time.

2. How long does it take a portable charger to charge a car battery?

Car batteries typically contain 48 amps, so a full charge will take roughly 12 hours using a 12-volt charger. It takes about 30 minutes to charge an electric vehicle to 80% capacity.

3. Do portable chargers have an effect on battery life?

Power banks should be utilized with caution. Using power banks to keep your phone charged at 100% all the time will eventually damage the battery, causing your phone to lose its charge.

Our team of product testers meticulously researches top products, unboxes and examines each component, and tests the items on real vehicles before offering the best portable car battery charger to readers. Choose the most reasonable price from the range of $29.97 to $199.95.