A: We provide lifetime Technical Support, our engineer is 24 hours online for technical support.

To add a new FAQ follow these steps: 1. Manage FAQs from your site dashboard or in the Editor 2. Add a new question & answer 3. Assign your FAQ to a category 4. Save and publish. You can always come back and edit your FAQs.

Based on the quantity, small order: 1-2 weeks, bulk order: 7-15 weeks.

Yes. To add media follow these steps: 1. Manage FAQs from your site dashboard or in the Editor 2. Create a new FAQ or edit an existing one 3. From the answer text box click on the video, image or GIF icon 4. Add media from your library and save.

You can edit the title from the FAQ 'Settings' tab in the Editor. To remove the title from your mobile app go to the 'Site & App' tab in your Owner's app and customize.

We uave several stock for samples and low MOQ.

We have CN,US,EU and UK plug, if any oter plug you need, our sales manager will contact with you.

Booster GK-J1201 User Manual Booster GK-J1202 User Manual Master GK-J1203 User Manual Master GK-J1204 User Manual Master GK-J1205 User Manual Pump GK-J1206P User Manual

Look up the engine size of the vehicle to match the jump starter model that best fits your needs. Green Keeper models are based on the vehicle engine size.

The starting current, often referred to as cranking amps or starting amps, is the maximum current that a starter motor draws from the vehicle's battery during the initial stages of starting the engine. It represents the electrical power required to turn the engine over and initiate combustion.

Peak current, also known as peak amps or surge current, refers to the maximum current that a device, electrical component, or system experiences for a brief and instantaneous period. It is the highest level of current in a transient surge. It represents the maximum amount of electrical power that a jump starter can provide during the initial moments of starting a vehicle.

The lumen rating for each Green Keeper Jump Starters are: Booster GK-J1201 80 lumen Booster GK-J1202 80 lumen Master GK-J1203 80 lumen Master GK-J1204 80 lumen Master GK-J1205 100 lumen Pump GK-J1206P 100 lumen

Nothing, it is perfectly safe. Green Keeper jump starter has built in sensors that prevent power from being delivered, unless a battery is detected.

The error RC light will illuminate. With Reverse Polarity Protection, it is perfectly safe and there won't be any sparks. However, jump starter won't deliver power unless the clamps are connected correctly to the vehicle battery. Note: When using the override mode to force start dead battery, the Reverse Polarity Protection won't work anymore. Be extremely careful not to connect the battery backwards to avoid severe damages.

No, Green Keeper jump starter is not waterproof.

Yes, the Green Keeper jump starter is designed to be dustproof, providing an added layer of protection against dust and debris.

Green Keeper offers warranty of 18 months from the date of purchase. Visit our Support Page to learn more about Warranty or find the User Manual to your specific jump starter model.

Green Keeper jump starters can be operated within the temperature range -4°F to 140°F (-20°C to 60°C). Green Keeper jump starter has smart safety protection that will prevent it from operating outside of this temperature range for your own safety.

Green Keeper jump starters should not be stored below -4ºF (-20ºC), and not exceed 140ºF (60ºC) for any reason. Storing jump starters outside of these ranges can cause damage to multiple crucial components of the jump starter. This applies to all Green Keeper models.

No. Boost should be recharged in temperatures between 32ºF to 122ºF (0ºC to 50ºC). Remove from heat source and allow the battery to cool down before recharging.

No. Keep jump starter out from direct sunlight. The ambient temperature in car can increase up to 60ºC (140ºF) within 10 minutes.

All Boost models can hold 70% of its rated capacity for up to one year. For optimal performance, we recommend charging the device at least every 4-6 months, after initial charge.

Green Keeperooster GK-J1201 can recharge all generations of smartphones on the market, as well as HD action cameras, tablets, music players, wireless speakers and more. Any devices that uses a Universal Serial Bus (USB) , will take a charge from Booster GK-J1201. Click here to learn more about charging USB devices using Green Keeper Booster GK-J1201.

Both the USB 'In' and 'Out' ports on Green Keeper jump starters are rated at 2.1 Amps.

Booster GK-J1201 can only jump start 12V lead acid batteries. This includes wet, gel, maintenance free, enhanced flooded battery, and absorbent glass mat batteries.

Green Keeper GK-J1201 can only jump start 12V lead acid batteries. This includes wet, gel, maintenance free, enhanced flooded battery, and absorbent glass mat batteries.

Yes. Green Keeper GK-J1201 can jump start any vehicle with a 12V lead acid battery like a car, boat, motorcycle, ATV, lawn mower, RV, tractor, truck and more.

Approximately 2-4 times.

12V engines up to 5.0L gas and 3.5L diesel

Starting with a fully charged battery Green Keeper GK-J1201 can start up to xx jump starts.

Green Keeper Jump Starters can charge a multitude of USB devices, such as phones. 1. Locate the USB OUT port on the end of Boost. 2. Open the protective cap from the port. 3. Plug in the USB device charging cable into the USB port. 4. Power on Boost and the USB device will now be receiving power

Yes. All Green Keeper models are FAA compliant and can be taken on a plane, however they have to be in your carry-on. No-Lithium batteries are allowed to be checked in luggage. All Green Keeper models are under 100Wh which is the limit set by the FAA. For more additional information, or for current updates, please see the link below to the FAA guidelines. We also recommend contacting the airlines you are flying to see if they have any additional restrictions.

Yes. Boost is USB-C rechargeable, so it’s not directly tied to the electrical service of your country (i.e. 120V or 220V). Use an AC to USB adapter or 12V to USB adapter to charge your device. A 12V USB Car Charger will work in any country or vehicle with a 12V port. The Booster GK-J1202, Master serie have an XGC input, allowing you to charge the units directly via 12V port for faster charging.

No. The 12V ports in a car are current limited at 8 Amps. Boost delivers a maximum range of 400A to 20000A, depending on your model, which would cause severe damage to the port. However, there is no way to connect this product to the 12V port, so there is no risk of this happening.

No. Boost is only designed for 12V vehicles. Jump starting a 6V battery could become extremely dangerous.

No. Lithium batteries are sensitive to how current is applied to the battery. Jump starting a lithium battery could become extremely dangerous.

No. We do not replace the batteries or repair the units, but replace the whole unit if it tests faulty.

No. While Green Keeper can jump start your car battery it is not a battery charger. If you need to charge your car battery we recommend using 6V or 12V batteries lead acid, AGM or Lithium battery charger.

If Green Keeper GK-J1201 is not detecting the battery it is possible the voltage is too low to detect. Green Keeper jump starter is designed to jump start 12-volt lead-acid batteries down to 2-volts. If your battery is below 2-volts, the Boost LED will be "Off". This is an indication that GK-J1201 can not detect a battery. If you need to jump start a battery below 2-volts there is a Manual Override feature, which allows you to force "On" the jump start function.

The provided Micro USB cable is 48" (1 m) in length. Boost charges with a standard Micro USB port, so if a longer or short cable is prefered then the provided cable can be replaced with any compatible Micro USB cable.

Yes, as long as the battery is a 12V Lead Acid battery.

Yes. All Green Keeper jump starter comes with a provided EV storage bag.

Green Keeper Jump Starters are designed in Hong Kong and manufactured in various countries around the world.

No. Green Keeper GK-J1201 does not have the ability to power 12V appliances.

A: We have UN38.3, FCC,MSDS, METI, CE, RoHS.

Green Keeper jump starters have built-in overcharge protection and can be left on a charger at all times.

Green Keeper does not individually sell the USB charging cable like the one provided with the unit. Green Keeper Jump Starters can be charged using any standard Micro USB cable like the ones many smartphones and tablets use.

Unfortunately, there are no extension cables available for the clamps on Green Keeper products as extending the cables would reduce the starting power they produce. If your positive and negative posts are too far away from each other, You can also connect to a negative ground on the vehicle chassis rather than the negative post.

We always recommend checking in with your local laws, and regulations for proper disposal of your Lithium battery products, like Boost. If you live in the USA or Canada, you can follow this link to see where to drop off the Lithium product for recycling in your area: http://www.call2recycle.org/

AGM batteries, short for Absorbed Glass Mat batteries, differ from traditional wet batteries in that they do not contain loose electrolyte fluid flooding the plates. Instead, the electrolyte is absorbed into the glass mat plates. This unique design makes AGM batteries sealed, eliminating the risk of spills. One notable advantage of AGM batteries is their lower self-discharge rate compared to other lead-acid chemistries. Additionally, they can be discharged to a greater depth without sustaining internal damage. For optimal charging, it is recommended to use the COLD/AGM Mode when charging AGM batteries.

AGM+ batteries represent a robust upgrade from standard AGM batteries, offering dual-purpose functionality with higher cranking amps per second. These batteries feature compressed plates under extreme pressure, resulting in a higher capacity within a more compact battery size. The compression of lead plates in AGM+ batteries enables them to endure more cycles at a higher depth of discharge (DOD). Specifically designed for start-stop applications, AGM+ batteries include a glass fleece separator that positions the battery electrolyte closer to the plates. This design feature enhances resistance to vibration and reduces the likelihood of sulfation. To support the compressed lead plates, AGM+ batteries are housed in heavy-duty reinforced cases, often featuring a reinforced ridge design. Their design also contributes to significantly lower internal resistance, enabling quicker recharge times—up to twice as fast as standard AGM batteries. When charging AGM+ batteries (not typical AGM batteries), it is crucial to use the 12V AGM+ Mode for optimal performance.

Calcium-Calcium: These batteries are not a lead-acid technology. They feature calcium plates as opposed to typical lead plates found in lead-acid batteries. Calcium-calcium batteries are fairly uncommon and require a higher charging voltage. Make sure to charge calcium-calcium batteries in the 12V Calcium Mode.

Enhanced Flooded Battery (EFB): EFB batteries are well-suited for automotive applications with basic start-stop functionality. Like start-stop AGM batteries, EFB batteries can swiftly restart the car engine within milliseconds and require no maintenance. EFB batteries commonly incorporate a polyfleece lining, which serves to extend the lifespan of the lead plate material. This design keeps the electrolyte closer to the plates in each cell. Given the rigorous demands of start-stop technology, EFB batteries often feature thicker plates compared to conventional starting batteries. For optimal charging, it is recommended to use the NORM Mode when charging EFB batteries.

Gel batteries feature a gelatinized electrolyte, which eliminates spill risks commonly associated with traditional wet batteries. This unique characteristic makes gel batteries highly favored in various industries such as power sports, food, and healthcare, where safety is paramount. The gel electrolyte reduces the hazardous effects of acid battery spills, making them a preferred choice in sensitive environments. When charging gel batteries in normal ambient temperatures, it is recommended to use the NORM Mode for optimal performance.

Lead-acid batteries have stood the test of time, maintaining much of their original design over the centuries. These batteries offer a cost-effective and rechargeable energy solution with a favorable weight-to-capacity ratio. Their enduring design and efficiency have made them indispensable for various applications. Despite ongoing advancements, the fundamental components of lead-acid batteries remain consistent. Each battery comprises cells, each containing positive and negative plates bathed in electrolyte and housed within a protective casing. These cells are typically configured in series to produce either 6V or 12V batteries. Consequently, 6V batteries consist of three cells, while 12V batteries incorporate six cells. The 12V variant is ubiquitous across diverse applications, finding its place in modern vehicles, motorcycles, and marine vessels.

Lead-calcium batteries, akin to MF batteries, boast a sealed construction. However, their notable distinction lies in employing positive calcium plates alongside hydrogen gas.

Lithium-ion batteries represent a cutting-edge advancement in battery technology, particularly when compared to traditional lead-acid counterparts. Renowned for their exceptional energy-to-weight ratio, they stand out as one of the most efficient options in today's consumer market. Distinguished from lead-acid batteries by their composition and structure, lithium-ion batteries consist of pressurized lithium-ion cells. Each cell comprises positive and negative lithium plates, separated by a plastic separator and filled with an electrolyte solution. The separator plays a crucial role in facilitating the flow of ions from the positive to the negative plate during discharge. It's crucial to note that lithium-ion batteries undergo degradation from the moment of manufacture, underscoring the importance of checking the manufacturer's date before purchase. Despite this inherent degradation, these batteries boast an impressively low self-discharge rate, typically ranging from 1% to 2% per month. When charging lithium-ion batteries, it's essential to utilize the designated lithium-ion mode to ensure optimal performance and longevity.

Maintenance Free (MF) batteries are those that are sealed and do not necessitate the addition of distilled water. Both Sealed Lead-Acid (SLA) and Valve-Regulated Lead-Acid (VRLA) batteries fall under this category. These batteries are typically manufactured with an excess of electrolyte to account for any potential water loss over their expected lifespan. Being sealed, MF batteries require minimal maintenance as there's no need to monitor the electrolyte levels within. When charging MF, SLA, and VRLA batteries under ambient temperatures, it is recommended to use the NORM Mode.

Flooded batteries, also known as wet cell batteries, necessitate the addition of distilled water for operation. Once distilled water is added, it's crucial to ensure the battery undergoes the appropriate initial charge or forming charge. Since wet cell batteries are unsealed, monitoring electrolyte levels is essential. When charging these batteries in ambient temperatures, it's advisable to utilize the NORM Mode.

Linear battery chargers, also known as trickle chargers, represent an earlier iteration preceding Green Keeper's Smart Charging technology. These chargers provide a constant current to the battery, irrespective of its charge level. Trickle charging lacks the capability to adapt or modify the charging current based on real-time feedback from the battery. Consequently, it poses risks of overcharging and battery damage. Leaving a lead-acid battery connected to a trickle charger for an extended period, such as six (6) months, often results in overcharged and damaged batteries, rather than proper maintenance.

Amperes (A), commonly known as amps, represent the measure of electrical current flowing through a wire at a specific point and time. When selecting a charger, the amperage is a crucial factor to consider. Larger applications and batteries necessitate chargers with higher amperages, while smaller batteries such as those in motorcycles require chargers with lower amperages. Volts (V) denote the potential difference between two terminals. By using a voltmeter, voltage measurements provide an effective means of assessing the charge of a battery. Watts (W) quantify energy and are defined as one joule per second, representing the rate of energy transfer. In essence, to calculate watts, one would multiply amperes by voltage. Example: W = A * V

Capacity ratings serve as standardized measurements for comparing various batteries, enabling users to gauge the quantity and duration of power a battery can deliver. These ratings employ diverse calculation methods to assess the battery's power output, providing consumers with valuable insights into the expected power capacity.

Below is a guide outlining the correct procedure for removing your vehicle's battery. 1. Switch off the vehicle Please switch off the car by turning the ignition switch and then remove the keys. Ensure that the headlights and other electronic accessories are also turned off. 2. Wear safety equipment When handling car batteries, Green Keeper strongly advises wearing sturdy mechanic's gloves for protection. Additionally, when dealing with acidic corrosion, it's wise to don protective goggles. Remember to remove any jewelry and avoid leaning directly over the car battery. 3.Disconnect the car battery cables Loosen the bolts securing the car battery cables to the battery terminals using a socket or adjustable wrench. Ensure that the wrench does not come into contact with both terminals simultaneously to prevent sparking. Prioritize removing the negative (-) black cable before the positive red (+) cable. Avoid touching the wrench to metal surfaces as this could ground and potentially damage your vehicle's electronic system. 4.Fully Remove The Car Battery After disconnecting the car battery cables, carefully lift the battery by its handle and remove it from the vehicle, placing it on a protected surface. Car batteries can be heavy, weighing up to 40 lbs., so it's advisable to ask for assistance if necessary.

While some types of batteries may be more readily recyclable than others, most batteries are suitable for recycling. Recycling procedures can vary depending on location, but typically involve breaking down the battery and separating its components accordingly. Lead-acid batteries, for instance, contain both lead and acid electrolyte, which are hazardous materials that should not be disposed of in regular waste streams. Many cities provide battery recycling services to properly manage these components. In the case of car batteries, numerous automotive stores offer complimentary disposal services when purchasing a new battery. It's strongly advised against disposing of any battery, including car batteries, in regular trash. It's important to consult with your local municipality to determine the best method for battery disposal. Given that batteries contain chemicals that require careful handling and disposal, it's essential to take appropriate precautions.

Ensuring good battery maintenance is undeniably crucial, but why? Why does a battery left unused in a car become depleted within a few months? To grasp the significance of battery maintenance for longevity, it's essential to understand the fundamentals of discharging and charging a battery. In essence, during discharge, a chemical reaction occurs between sulfuric acid and lead plates, generating electricity to power the application. This process leads to the formation of lead sulfate, known as sulfation, which gradually coats the positive and negative plates. As the battery loses voltage, sulfation intensifies until it fully covers the plates, resulting in complete discharge. Sulfation can be reversed into active material with prompt recharging after discharge. However, prolonged 'soft sulfation' can transform into permanent 'hard sulfation,' diminishing the battery's capacity and power. Recharging the battery enables the lead sulfate to return to the electrolyte as active material. Providing the appropriate charge post-discharge is crucial for maintaining battery health and optimal functionality. However, charging a battery correctly can be more complex than discharging it. Fixed-output battery chargers are inadequate for delivering the precise charge cycle since lead-acid batteries require adjustments in amperage and voltage for a complete recharge. Effective charging and maintenance necessitate an intelligent charging system capable of adapting the charging voltage and amperage to the battery's requirements. Choosing the right smart charger and utilizing the correct charging mode ensures an optimal charge, thereby extending the battery's lifespan.

Discharging, or draining, refers to the depletion of voltage or energy from a battery. It's crucial to recognize that a battery undergoes discharging whenever it's not actively receiving a charge. Battery discharge can occur either actively or passively. Active discharge happens when the battery is actively supplying power to electronics, such as in boat or motorhome applications. Conversely, passive discharge occurs when the battery remains unused for any duration, even without any devices connected to it.