12V 24V 20A Smart Battery Charger Lithium LiFePO4 Lead-Acid – Avelune
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Car Electrical & Batteries

12V 24V 20A Smart Battery Charger Lithium LiFePO4 Lead-Acid

Chosen because customers reordered it
$67.95 $105.95 Save 36%

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Order today, estimated delivery Nov 24 – Dec 6 · Free shipping over $39

In stock — ships in 1–3 business days
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Free shipping over $39. Tracked to your door, 7–15 business days across the US.
30-day returns. Unused and in original condition. Wrong or damaged on arrival is on us.
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Shipping & delivery

Orders are processed in 1–3 business days, then delivered in 7–15 business days across the United States and 10–20 business days to other countries. You receive a tracking link by email as soon as your parcel leaves.

Standard shipping is free on orders of $39 or more. Below that it is a flat $8.99 in the US and $11.95 to other countries. Multi-item orders may arrive in separate parcels a few days apart, at no extra cost.

Returns & refunds

You have 30 days from delivery to return an unused item in its original condition. Email us and we send instructions the same day.

If an item arrives damaged, faulty or not what you ordered, contact us within 7 days with a photo and choose a free replacement or a full refund — you pay nothing to return it.

Effortless Charging for Your Vehicle Batteries

The Smart Battery Charger is designed for 12V and 24V lithium and lead-acid batteries, making it perfect for various vehicles including cars, motorcycles, and boats. It addresses the common issue of battery maintenance with its intelligent features and multiple safety protections.

Why You'll Love It

  • Multi-Compatibility: Suitable for all types of vehicles, including motorcycles, RVs, and lawn mowers.
  • Intelligent Detection: Automatically adjusts to the battery type for optimal charging.
  • Pulse Repair Function: Helps restore sulfated lead-acid batteries for extended life.
  • Large Digital Display: Easily monitor voltage, current, and charging status in real-time.
  • Safety Features: Includes protections against reverse connection, overcharging, and overheating.

Product Details

  • Input Voltage: 100-240VAC (50/60Hz)
  • Input Power: 300W
  • Output Current: 12V 20A / 24V 10A
  • Battery Capacity: 4-400Ah
  • Working Temperature: -10°C to +45°C
  • Materials: ABS flame-retardant casing
  • Product Size: 187×95×70mm

What's in the Box

  • Charging Cable
  • User Manual
  • Clamps

How to Use

  1. Clamp alligator clips to battery terminals: Red = Positive, Black = Negative.
  2. Plug the charger AC cord into a wall power socket.
  3. Press the MODE button to select the battery matching mode.
  4. The charger starts the automatic charging cycle.
  5. When the screen displays 'FUL', charging is finished; unplug AC power first, then remove battery clips after 10 seconds.

Good to Know

Ensure to select the correct battery mode for optimal performance. Avoid charging in flammable or high-humidity environments. Over-temperature protection will suspend charging if necessary.

FAQ

Can I use this charger for all types of batteries?
This charger is compatible with 12V and 24V lithium, LiFePO4, AGM, and lead-acid batteries.

What happens if I select the wrong mode?
Selecting the wrong mode may prevent the charger from functioning correctly.

Is it safe to leave the charger plugged in?
Yes, the charger will automatically shut off when the battery is fully charged.

Specification
Category
Car Electrical & Batteries
Condition
New
Processing
1–3 business days
Delivery
7–15 business days in the US
Returns
30 days from delivery
Our part of the deal

Packed by hand.Tracked to your door.Backed for thirty days.

Avelune · Est. 2026
What you can count on

The part that happens after you order

Tracked shipping

Free on orders of $39 or more, a flat $8.99 in the US below that. Tracking on every single order, no exceptions.

30-day returns

Thirty days from delivery to change your mind on unused items. Wrong or damaged on arrival is on us, always.

Safe checkout

Visa, Mastercard, Amex, Discover, PayPal, Apple Pay, Google Pay and Shop Pay over an encrypted, PCI-compliant checkout.

People, not scripts

Email us any day of the week and a real person replies within 24 hours, usually much sooner.

From order to doorstep

What happens after you press buy

No mystery, no silent weeks. Here is the whole journey, with the timing we hold ourselves to.

01

We pick and check

Your order is routed to the partner warehouse holding that piece, pulled, inspected and packed for transit.

1–3 business days
02

It ships with tracking

You get an email with a tracking link the moment it leaves. Multi-item orders may travel in separate parcels, at no extra cost.

Tracking on every order
03

It reaches your door

Most US addresses receive within 7 to 15 business days of dispatch. If it runs long, write to us and we reship or refund.

7–15 business days
Before you order

Questions about this order

The three things customers ask most before buying. Anything else, email us and a person replies within a day.

When will this arrive?

We process in 1–3 business days, then delivery takes 7–15 business days across the United States and 10–20 business days elsewhere. You get a tracking link by email as soon as it ships.

What if it is not right?

You have 30 days from delivery to return an unused item in original condition. If it arrives damaged or wrong, send a photo within 7 days and pick a free replacement or a full refund — you pay nothing to return it.

Is shipping really free?

On orders of $39 or more, yes, to every destination we serve. Below $39 it is a flat $8.99 in the US and $11.95 to other countries.

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