What can I do if the battery of my car runs down and wont start?

What can I do if the battery of my car runs down and wont start? It maybe possible to happen for most drivers, especially their cars have been driven for several years. Here are some solutions we give for you to how to jump start you car dead battery in short time.

The First One: Jumper Cables

People mostly like to use jumper leads as a car emergency tool to jump start their cars because they are cheap and easy to store. 10 to 20 feet jumper cables are easy to buy in the market, but something need to be considered when you choose a jumper cable.

Longer cables are very convenient for you to not move the functioning car if far from yours, while it will lose power when current transmit along the longer cables to power up to your car.

The gauge of the cable decide the thickness of jumper cable, the thicker the cable is, the stronger the power is.

Jumper clamp should be stronger to take instant high temperature and big current.

How jumper cable to start you car?

1. please connect red jumper leads to the positive battery terminal of dead battery. And the other red end to attach to positive battery terminal of functioning car battery.

2. Please connect black jumper cable to negative battery terminal of the live car, and the other black end is to connect the metal part around dead battery, which will help you to have a safe jump.

The Second One: Jump Starters

Comparing to the lead acid battery jump starter, portable lithium battery jump starter is easy to use and multifunctional to charge different electronic devices. That’s why It get much more popular in the market. All in one jump starters help you to save cost to buy a light torch, a power bank, a compass, a laptop charger. Of course the more function, the more expensive. So you can decide to buy it on your budget.  It will be wise to choose a jumper leads If you have mobile power bank, but it will be economic to buy a jump starter if you don’t have one, jump start a car and power up to your phone, laptop, or tablet.

If you have a car jumper in hand, just a few steps to get your car back on the road:

1. Please connect the plug to jump starter 12V; 

2. Please connect red clamp of jump cable to car battery positive pole"+", and connect black clamp to car dead battery negative pole"-" or the metal part around car battery;
3. Please go into car and start your engine;

4. Please remove plug from your jump starter
5. Please remove the clamps from the car battery, please keep it in mind, many people always forgot disconnect jump starter from car battery, which will damage it for a long time.

Please don’t keep it in the car, especially in the summer. If the car is exposed in the sun, the temperature will get higher and higher, and jump starter maybe catch fire. No matter you use it or keep it, please follow the manual to do it in proper way.

How to Buy A Best Portable Car Jump Starter Power Bank

Why do we need a car jump starter?

Many driver knows that Car battery is draining out power if it is old or power supply to car air conditioner or audio for long.

What will you do in such situation?

Many people bought a jumper lead in the car trunk if necessary. However, there is a problem that we need to look for another car and use jump lead to restart your car battery, which is negative and inconvenient. Or Waiting for car tow, Or ask help for passing car.

7 years ago, CARKU invented a mini lithium car jump starter to replace jump lead to jumpstart car without any assistance. Nowadays, many people is familiar with this product, and know how easy it is to operate without any help.  But more and more news to release that lithium battery is easy to explosion if in poor quality. Some consumers become worried about its safety. Therefore it is very important to choose a good lithium battery jumper pack.

How to buy a best jump starter for your car?

1. Battery

Lithium battery is applied to different consumer electronics, such as mobile phone, loudspeaker,

MP3, Toys, unmanned airplane, electrical car, motorcycles, and so on due to its great advantage: small size, high battery capacity, long lifetime. In jumper pack box, there are 3 or 4 lithium battery pack. If it is produced in poor quality, it will explode to got fire and threaten people’s life and property. If you choose a jump starter, the supplier or seller can provide lithium battery safety information to you, FCC, CEL, RoHS, UL, CE, Reach, KC, etc, different countries has different safety standard to it.

Besides, lithium battery car booster should be protected with advanced protection function technology, CARKU put safety to the first, and R&D team invented ‘DSLI’ technology

short-circuit protection, reverse polarity protection, over-temperature protection, over-charge protection, over-discharge protection, over-current protection, reverse charge protection, over-voltage protection to prevent lithium ion battery from any damage. 

If you don’t want to buy lithium battery car jumper, you can choose supercapacitor batteryless jump starter, CARKU invented capacitor jump starter with 10000 lifetime cycles and best performance in the extreme cold like Finland, Switzerland,Canada in winter.

2. Brand

If you want to buy a small jump starter as a emergency tool, you’d better choose branded jump starter. Here is the list of some brands:

CARKU

Gooloo

Anker

Black&Deck

DBpower

Energizer

NOCO

You can buy them on amazon or find their company website to inquiry your car battery jump starter.

3. Battery Capacity

Before you buy car battery booster pack, you’d better know your car engine size, 12V or 24V, diesel or Petrol, If gas, 2000cc, 4000cc, or 5 liter. Different battery capacity jump starter can restart different car engine size. Of course, the higher battery capacity is, the more expensive car starter is.

Here is a estimated conclusion for your reference, and it will be helpful for you to find a suitable car jumper.

4. Multifunction

All in one car jump starter is the highlight for consumer to choose it. Because it has many ports:

5V/1A or 2A Port to charge smart phone, tablet PC, MP3 or 4, ect.

12V/10A to connect air compressor, auto cleaner, refrigerator

19V/3.5A to charge laptop

Compass to guide you in the wildness

LED flashlight light your road or in emergency

Other new elements add to auto battery jumper in 2017, like Type C, Quick Charge Technology, PD 30W to charge Mac book.

5. After sale Service

When you choose a best branded seller, you will get feedback from your seller.  Normally, it is a one-year guarantee for use. If you use it in proper way, the seller will solve any issue if itself has problem.