HOW TO CHARGE EVERSTART JUMP STARTER

Byhaqnawaz
HOW TO CHARGE EVERSTART JUMP STARTER

Jump starter can be a total lifesaver, but only if it has power when you need it. Many people toss their EverStart jump starter in the trunk and forget all about it… until their car won’t start and the device is dead too. That’s why knowing how to properly charge your EverStart jump starter, and doing it regularly is just as important as knowing how to use it.

Let’s walk through everything you need to know to keep your unit ready at all times.

Why Keeping Your Jump Starter Charged Is Important?

Why Keeping Your Jump Starter Charged Is Important

Jump starters don’t hold a charge forever. Over time, their internal batteries slowly draines pecially in colder temperatures, which can sap battery power even faster. If you haven’t charged your EverStart jump starter in several weeks (or even months), there’s a good chance it won’t have enough power to start your vehicle when you really need it. That’s why it’s important to check and recharge it regularly. For best performance, aim to charge it every 30 to 90 days, even if you haven’t used it.

Keeping your EverStart jump starter fully charged ensures it’s always ready in an emergency. A well-maintained battery not only delivers reliable performance but also lasts longer overall. Plus, staying on top of charging helps you avoid the frustration of discovering a dead jump starter at the worst possible moment—when your car won’t start and help isn’t close by.

Before You Start Charging

1

Identify Your Model

EverStart makes several types of jump starters, such as the Maxx, Plus, 750 Amp, and 1200 Peak Amp models. Each one might charge a little differently. Some use wall outlets, others connect with USB cables, and some charge through a 12V port in your vehicle. Always check the manual or look near the charging port to see which method applies to your specific model.

2

Check the Battery Level

Most models have battery indicator lights to show how much power is left. If your unit is down to one bar or the red light is flashing, it’s time to charge. And if the battery is completely drained, the device might not even turn on until it gets some power.

how to charge jumpstarter

Charging Methods

Most EverStart jump starters — including the Maxx, Plus, and basic 750A units — come with a dedicated AC wall charger or built-in charging cable. To use this method:

  • Plug one end into a regular household wall socket.
  • Connect the other end to the designated charging port on your jump starter (usually labeled “Input”).
  • Some models may have a switch you need to flip to “Charge” mode — refer to the manual.

This is the fastest and most stable way to charge your device. Wall outlets deliver consistent power, reducing the risk of undercharging or damaging the battery. It’s ideal for charging overnight or before a trip.

Some EverStart models offer the option to charge via a car’s 12V DC port — the same socket used for phone chargers or dash cams.

  • Insert the adapter into the vehicle’s 12V socket.
  • Connect the other end to the jump starter.
  • Keep the engine running during charging to avoid draining your car’s battery.

While slower than wall charging, it’s a lifesaver when you’re away from home. But keep in mind: this method is more of a “top-up” — don’t rely on it for full charges unless you have time to spare.

If your jump starter has a USB-C port, it’s likely a newer design with more modern power management. This lets you charge it with:

  • A USB-C wall brick (ideally 18W or higher)
  • A USB-C power bank or laptop
  • Even a car USB-C port (if available)

This method offers flexibility, but charging speed depends heavily on the wattage of the USB-C source. A low-power USB port may take many hours, so check the specs if you’re in a hurry.

Charging Time Estimates
(By Method and Model)

Here’s a breakdown of average charging durations depending on method and model:

ModelAC Wall OutletDC Car AdapterUSB-C
EverStart Maxx4–6 hours6–8 hoursNot Available
EverStart Plus3–5 hours5–7 hoursSome Models
750A Jump Starter2–4 hours4–6 hoursSome Models
Lithium Slim Models2–3 hoursNot Available1.5–3 hours

Tips for Efficiency

Tips for efficiently charge Everstart jump Starter
  • Always charge in a well-ventilated space.
    Fresh air prevents overheating, especially if your model gets warm while charging.
  • Avoid charging in extreme heat or cold.
    Extreme temperatures slow down charging and can degrade the internal battery over time.
  • Never leave the jump starter connected indefinitely.
    Once it’s fully charged, unplug it to protect battery health and avoid unnecessary stress on the unit.
  • Use the correct charger for your model.
    Using the wrong voltage or connector can damage the internal battery or cause inefficient charging.
  • Recharge it every 2–3 months (even if unused).
    Jump starters slowly lose charge over time. Regular top-ups keep it ready when you actually need it.

Charging Indicators
(What They Actually Mean)

EverStart jump starters use simple LED indicators to tell you what’s going on during charging. Understanding what each light means can save you from second-guessing whether it’s working or not.

🔴 Blinking Red Light – This means your battery is very low and charging has just begun. It’s working hard to recover the charge, so be patient and don’t unplug it at this stage.

🔴 Solid Red Light – Your jump starter is actively charging. The battery is taking in power, and everything is functioning as expected. You’ll usually stay at this stage the longest.

🟢 Blinking Green Light – You’re almost there! The battery is nearly full, and the charger is now topping it off with a slower current to ensure a complete and safe charge.

🟢 Solid Green Light – Fully charged and good to go. You can now unplug the charger and store the jump starter safely. No need to leave it plugged in — overcharging can reduce battery life.

⚫ No Light at All? – First, double-check that your outlet is working and the charging cable is fully inserted. If there’s still no response, your battery might be fully depleted or faulty.

💡 Pro Tip: Some EverStart models (especially newer or more advanced ones like the Maxx or Plus series) may use alternating red-green flashes or unique indicators. If you’re seeing something unusual, your best bet is to refer to your model’s specific manual.

How Often Should You Recharge?

Even if you haven’t used your EverStart jump starter, it’s still important to recharge it regularly. Like most lithium or lead-acid batteries, these units slowly lose charge over time — even when just sitting in storage.
Best practice: Top off the charge every 3 months if your jump starter is just sitting idle.
Even better: Charge it monthly to keep it in peak condition, especially if your area has extreme temperatures.
If you’ve used it to jump a vehicle, recharge it immediately after use to ensure it’s ready the next time you need it. A dead jump starter won’t do you much good during an emergency.

Do’s and Don’ts of Charging

Do

  • Charge it in a dry, well-ventilated place.
  • Use the original charging cable or one your manual recommends.
  • Keep an eye on the LED lights to prevent overcharging.
  • Store it indoors at room temperature when not in use.
  • Check and recharge the battery regularly, even if unused.

Don’t

  • Don’t leave it plugged in for days, it can reduce battery life.
  • Avoid using unknown third-party chargers unless verified compatible.
  • Never charge it in high heat or freezing conditions.
  • Don’t forget about the battery for months; it will slowly discharge, even when not in use.

FREQUENTLY ASKED QUESTIONS

Usually yes — if your model includes overcharge protection (most EverStart models do). But it’s still a good habit to unplug it once fully charged. Leaving it plugged in indefinitely can generate unnecessary heat or slowly degrade the battery.

It depends on the model. If your EverStart jump starter supports USB-C fast charging or comes with a specific fast charger, it’s safe. But using a high-wattage charger not recommended for your unit could cause overheating or wear down the battery faster.

Check the LED lights. A blinking red or solid red light means it’s charging. A blinking or solid green means it’s nearly done or complete. No lights? Try a different cable or outlet — or check your manual for more diagnostics.

If it’s freezing cold (below 32°F or 0°C), avoid charging. Instead, bring the unit indoors to a warmer room before charging. Cold temperatures slow down charging and can even damage internal cells if too extreme.

Make sure your cable and outlet are working. If still nothing, the internal battery might be fully discharged or dead. Try charging for a few hours — some models will only light up after reaching a minimum charge.

If you’re unsure about how to actually use the device, check out our full guide on using an EverStart jump starter for step-by-step instructions.

Power is peace of mind. Keep your EverStart charged, and you’ll never be stuck waiting for help when you can be your own rescue.

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