What Is Milliampere-Hour (mAh) On A Battery - Jackery Australia

What Is Milliampere-Hour (mAh) On A Battery

What Is Milliampere-Hour (mAh) On A Battery

When purchasing a new device, viewing unboxing videos of recently released products, or engaging in other activities involving advanced technology, the term "mAH" (milliampere per hour) may appear or be mentioned. Yet, have you ever pondered the meaning of the battery unit mAh? Moreover, what does the mAh on a battery indicate? 

what is mah

mAh is an abbreviation for milliamp (or milliampere) hour, a power measurement unit that represents the capacity of a battery over time. This page explains the mAh, the relationship between mAh and Ah, and the method for calculating the mAh rating of a battery. In addition, the mAh rating of the most popular Jackery Portable Power Station is 50,000 (or 50 Ah), which enables this robust rechargeable generator to supply power for hours, sufficient to charge large and small appliances.

Key Takeaways:

  • The unit mAh denotes the capacity of a battery to both store and discharge energy to supply power to a device. Ah, is the energy stored in a battery sufficient to facilitate the passage of one ampere of current for one hour.

  • Multiplying the watt-hours by 1000 and dividing the result by the voltage yields the mAh value.

  • Typically, a battery's duration between charges increases proportionately to its mAh rating.

  • We highly recommend Jackery Explorer 2000 Pro, 1000 Pro, or 500 portable power station as your power master to charge most appliances with high Ah capacity.

  • When choosing the devices concerning the mAh, you should consider the power requirements, mAh rating, and other features.

What Is Milliampere-Hour (mAh)?

The unit mAh denotes the capacity of a battery to both store and discharge energy to supply power to a device. As the mAh rating increases, so does the battery's capacity to store energy and the duration for which it can provide power to a device before requiring recharging. Thus, mAh is a crucial metric to consider when procuring a battery for electronic devices.

mAh is a more precise indicator of how long a device will operate on a single charge. In contrast, the estimated battery life hours listed in the specifications guide many consumers when purchasing a machine. It is a critical determinant in buying any electronic device due to its direct correlation with its operational duration.

To power larger appliances, such as a clothes dryer, with a solar generator, for instance, you will need to locate one with a greater capacity in mAh, which enables it to operate high-wattage appliances for hours.

The milliamp-hour (mAh) is a unit used to quantify the progression of electrical power. It is frequently employed to determine a battery's energy capacity. Typically, an extended capacity or lifespan corresponds to a more significant number of mAh. A more excellent numerical value indicates that the battery possesses a more remarkable ability to store energy. This results in an extended battery life for a given amount of use.

Milliampere-Hours (mAh) = Milliampere (Amp) x Hours (H)

This formula can be utilized to estimate the operational lifespan of a device, assuming a consistent or mean power consumption rate. It is possible to acquire knowledge regarding amp hours or ampere hours. A 2000 mAh battery, for instance, could supply power to a device consuming 100 mA (milliamp) for twenty hours. A device finishing 100 mA would have a 20-hour lifespan.

what does mah mean on a battery

What Is Ampere-Hour (Ah)?

Ampere hours, also denoted as Ah or amp hours, refer to the quantity of energy stored in a battery sufficient to facilitate the passage of one ampere of current for one hour. An alternative formulation would be to define 1 Ah as the capacity of a battery to supply amperage for one hour. 

Ampere-Hour (Ah) = Ampere (A) x Hour (H)

Typically, large batteries are quantified in ampere-hours. On the contrary, the rating for tiny batteries such as personal vaporizers and notebook computers, as well as standard AA and AAA batteries, is expressed in milliampere hours (mAh). A minimum 4Ah capacity is typically indicated conspicuously on a battery, similar to the 5Ah capacity depicted in the image.

What Is The Difference Between mAh and Ah?

In the context of batteries, the battery's capacity is typically expressed in one of two units. Ah, and mAh are the units. Although both mAh and AH are energy measurement units, their magnitudes of measurement are distinct.

The more prevalent usage of the unit mAh, which stands for milliampere-hour, pertains to batteries, specifically those found in smartphones, tablets, and other portable electronic devices. It is a metric used to quantify the capacity of a battery or the quantity of charge it can store. One-thousandth of an ampere-hour is the definition of a milliampere-hour; therefore, one megaampere-hour equals 0.001 ampere-hour.

In contrast, the standard unit for quantifying the quantity of electric charge that traverses in a single hour is the ampere-hour (AH). The rate of electrical charge-discharge is represented by the unit of the ampere, which is the electric current. Therefore, the discharge of a charging current of one ampere for one hour equals one ampere-hour.

In essence, mAh and AH denote the identical concept; however, they diverge in magnitude. In contrast to AH, which is utilized for larger applications such as solar panels and vehicles, mAh is typically employed to measure the battery capacity of smaller devices.

How to Calculate Milliampere-Hour (mAh)?

Rather than milliampere hours, battery specifications frequently specify volts and watt-hours (Wh) or kilowatt-hours (kWh) to denote storage capacity. Multiplying the watt-hours by 1000 and dividing the result by the voltage yields the mAh value, which indicates the duration the battery can maintain at that output level before requiring recharging.

Milliampere-Hour (mAh) = [Watt-Hour (Wh) x 1000] / Voltage (V)

A battery with a current output of 2 watt-hours at 5V would have a capacity of 400mAh: (2Wh x 1000) / 5V = 400mAh.
120v mah to wh
The battery's storage capacity is denoted by its mAh rating. Alternatively stated, it signifies the quantity of energy that the battery is capable of storing to operate the appliance. The mAh rating is calculated by multiplying milliamperes by one hour; the formula is mAh = mA x H. Consider a battery with a rating of 1200mAh and 5V. It determines the battery's capacity to deliver 5 volts at 100mA for 12 hours (100mA * 12H = 1200mAh). The greater the capacity of the battery, the higher its mAh rating.  

How Does mAh Affect A Battery? 

To comprehend the significance of mAh on a battery, one must ascertain the interconnections between batteries and electricity. Although both batteries and electricity supply energy to a wide range of devices, vehicles, and industries, there are notable distinctions that merit consideration. To aid in your comprehension of batteries and electricity, we delineate several fundamental differences.

Electricity is conveying electric charge to residential and commercial structures via power grids. It is generated when electrons, which are negatively charged particles, travel between atoms. Electricity generation can vary depending on the legislation of a given country, encompassing power facilities, renewable energy sources, coal, and others.

Batteries are chemical energy storage devices that discharge electrical energy when required. A connection between a battery and a circuit induces a chemical reaction involving the electrolyte and the electrodes, which produces an electric current flowing through the circuit. Although there are numerous varieties of batteries, lithium-ion batteries are the most prevalent in portable electronic devices.

What Does mAh Mean on A Battery?

Now that we have a detailed understanding of mAh, we shall examine its impact on battery life. Typically, a battery's duration between charges increases proportionately to its mAh rating. As an illustration, a phone adapter featuring a 3,000 mAh battery has a shorter lifespan than a smartphone with a 5,000 mAh battery.

It is essential to observe; nevertheless, that battery life is not linear, which means a battery possessing twice the mAh capacity will only occasionally exhibit a double duration. This is because the energy demands of a device fluctuate in response to its utilization patterns. Playing games on a computer, for instance, will significantly deplete the battery faster than checking email or perusing the web.
Furthermore, software optimization, the screen size and resolution of the device, and the type of processor and graphics hardware employed can all impact battery life. Even if both devices have the same mAh rating, a high-end laptop with a 4K display and a powerful processor typically has a shorter battery life than a budget laptop with a 720p collection and a less powerful processor.
Charging time is influenced by the mAh rating in addition to battery life. Generally, a battery with a greater capacity will require more time to charge fully. Charging time is typically prolonged for batteries with a high mAh rating compared to those with lower ratings. 

Jackery Portable Power Stations Explained

Jackery is a widely recognized producer of superior solar products, which includes the Jackery Portable Power Station. It is comparatively minor and up to 30% lighter than alternative options. Its ergonomic handle design facilitates portability to any location of interest. Jackery provides portable power solutions from 240W to 2000W, supplying power to over 99% of various devices, including phones, computers, televisions, and more.       

how jackery solar generator works
A higher mAh rating on a high-quality lithium battery allows for preserving up to 80% of the battery's maximal capacity. These power plants have significantly greater capabilities and can run numerous household appliances for days or hours.

Jackery Portable Power Stations supply essential appliances with consistent and dependable power via lithium batteries. The optimal utilization of solar energy is achieved by connecting Jackery Solar Panels to Jackery Portable Power Stations via the Jackery Solar Generator. In addition, they utilize sophisticated BMS and pure sine wave inverters to ensure dependable and uninterrupted power delivery.

Explorer 2000 Pro

Explorer 1000 Pro

Explorer 500


2160Wh (43.2V/50Ah)

1002Wh (43.2V, 23.2Ah)

518Wh (21.6V, 24Ah)

Life Cycle

1000 cycles to 80%+ capacity

1000 cycles to 80%+ capacity

800 cycles to 80%+ capacity





Recharging Methods

Explorer 2000 Pro + 6*SolarSaga 100W: 5.5H

AC Adapter: 2H

12V Car Adapter: 24H

Explorer 1000 Pro + 6*SolarSaga 80W: 9H

AC Adapter: 1.8H

12V Car Adapter: 12H

Explorer 500 + 1*SolarSaga 100W: 9.5H

AC Adapter: 7.5H

12V Car Adapter: 7.5H

Output Ports

2*AC Output: 230V, 2200W (peak 4400W); 2*USB-A: Quick Charge 3.0x2, 18W Max; 2*USB-C: 100W Max, (5V, 9V, 15V, 12V, 20V up to 5A); 1*Carport: 12V⎓10A

2*AC Output: 230V, 1000W, peak 2000W; 2*USB-A: Quick Charge 3.0x2, 18W Max; 2*USB-C: 100W Max, (5V, 9V, 15V, 12V, 20V up to 5A); 1*Carport: 12V⎓10A

1*AC Output: 240V, 500W (peak 1000W); 2*DC Output: 12V⎓7A; 3*USB-A: 5V⎓2.4A; 1*Carport: 12V⎓10A

Working Hours

Microwave(700W): 2.4H

Kettle(850W): 2H

Electric Drill(900W): 1.7H

Oven(1600W): 1.1H

Blender(350W): 4.8H

Portable AC(1150W): 1.5H

Blender(300W): 2.5H

Ice Maker(700W): 1.2H

Toaster(650W): 1.3H

Microwave(700W): 1.2H

Computer(200W): 4H

Wheelchair(380W): 2.1H

Phone(10W): 29.4Charges

TV(60W): 7.5H

Blender(300W): 7H

Lighting(25W): 17.6H

Toaster(650W): 0.8H

Computer(200W): 2.2H

As it has a 2200W output power rating and a battery capacity of 2160Wh, the Jackery Explorer 2000 Pro can simultaneously charge up to seven devices. Explorer 2000 Pro provides sufficient power for camping excursions and power disruptions. Unique characteristics, including rapid charging in two hours via AC input, comprehensive protection with an industry-leading BMS, and an intelligent, vibrant screen, make it the best option.

When utilized twice weekly, the Jackery Explorer 2000 Pro portable power station has a ten-year lifespan. Its 100% standby capacity for more than a year makes it an exceptionally dependable backup power source for the household. A foldable handle is integrated into the 19.5-kilogram power station to guarantee convenient portability.  

The Explorer 2000 Pro portable power station is capable of storing solar energy. It has a pure sine wave inverter, MPPT solar charge controller, and lithium-ion battery to ensure a steady and consistent electrical supply. For instance, it can supply power to a 200W television for 8.4 hours and a 750W microwave for 2.2 hours.

jackery explorer 2000 pro portable power station
Numerous devices can be powered simultaneously by the Jackery Explorer 1000 Pro Portable Power Station, which features an entirely compatible power station. During camping excursions and power disruptions, the 1000w portable power station's 1002Wh battery capacity ensures that your electrical devices are always charged. It weighs only 11.5kg and features an industry-leading BMS, 94V-0 fire-grade material, pure sine wave technology, and a collapsible handle.

One DC vehicle port, two USB A connectors, and two 1000W AC output receptacles are included on the Explorer 1000 Pro portable power station. It can provide power to as many as 93% of your household appliances, including your computer, electric radio, refrigerator, and phone. For instance, it can power a 200W computer for four hours in an emergency, which is adequate for work or other purposes. For eight hours, it can also operate a 100W CPAP machine.

The foldable handle facilitates storage and transportation. This portable power source is ideal for camping excursions due to its thin construction and 1,000-charge cycle lifespan. Your electronics are supplied with consistent power by a pure sine wave inverter. An energy management system (BMS) monitors and maintains the battery life of this ultra-quiet (46dB) product.

jackery explorer 1000 pro portable power station
For extended periods, the Jackery Explorer 500 Portable Power Station charges low to high-power appliances. The power station possesses a foldable handle, industry-leading BMS technology, a high battery capacity of 518Wh, and an ergonomic design, making it well-suited for both outdoor adventurers and emergency home backup solutions. Weighing approximately 6.4 kilograms, it is highly portable.

One AC outlet, two DC connections, one vehicle connector, and three USB-A ports are included on the Jackery Explorer 500 portable power station for charging low- to high-power devices such as a phone, lights, fans, and more. It can, for instance, supply power to a 650W toaster for 0.8 hours and a 60W television for 7.5 hours. The power station is ideal for RV camping and road excursions due to its compact dimensions and lightweight construction.

No more will you be required to locate an electrical receptacle to recharge your Jackery Explorer 500 Portable Power Station. Alternative charging methods, including automotive outlets, solar panels, and electric generators, guarantee the ability to supply power to equipment anywhere and anytime. The extended battery life of the Jackery Explorer 500 Power Station is its defining characteristic. 

explorer 500 portable power station

How to Choose Appliances Via mAh?

When procuring battery-operated apparatuses such as solar generators, it is critical to consider the mAh value. Following the following guidelines will assist you in selecting the most suitable device in terms of mAh.    

Power Requirements: Before proceeding, it is critical to ascertain the tasks for which the device will be utilized. Whether you require a device with a greater or lesser capacity of mAh can be determined by the severity of your requirements.

mAh Rating: With this comprehension of the correlation between mAh and battery life, one can employ this information to enhance their decision-making process when selecting electronic devices. It is crucial to consider the mAh rating alongside other aspects such as the processor, screen size, and software optimization when comparing devices.  

Other Features: It is evident that reviews and user feedback furnish consumers such as yourself with valuable information. Therefore, before making a purchase, ensure that you have a thorough understanding of the battery performance of the device by reading reviews and user feedback. Additionally, it is essential to consider the device's characteristics and overall value, in addition to its brand reputation and customer service. A high mAh rating only guarantees optimal performance if the device is deficient in other critical attributes or has a questionable reputation for dependability.

Milliampere-Hour (mAh) FAQs

Following our discussion of "what does mAh mean on a battery?" the following are some additional questions that purchasers of batteries may have.
1. What is the difference between mAh and Wh?
The milliampere-hour (mAh) is an energy unit, whereas the watt-hour (Wh) represents charge capacity. The mAh quantifies a battery's ability to retain electrical charge, whereas the quantity of energy it can deliver over a period is quantified in Wh.

A watt-hour is an energy unit that specifies the amount of energy produced or consumed by a device during an hour of continuous operation. Three thousand six hundred joules are the equivalent of one watt-hour. Watt-hours are commonly employed to quantify the energy produced or consumed by an electric system. Each ampere-hour is equal to one unit of electrical charge. A continuous flow of one ampere of current through an electronic device for an hour is equivalent to 3600 coulombs, which are electrical charge units.

2. What does mAh affect to choose a power bank or power station?
When selecting a power bank, the capacity, the energy required to charge the device, and the output should be considered. Additionally, you should view the number of interfaces on the device.

Extra-capacity batteries are more significant. Pocket chargers typically contain between 3,000 and 9,000 mAh, which facilitates portability. That is sufficient to charge a standard cell phone twice. A greater capacity, or mAh, is required to charge a more substantial device, such as a laptop or tablet.

A medium-sized charger, with an average capacity of 15,000 mAh, can recharge a single tablet or mobile phone on multiple occasions. These are frequently too large to fit in a pocket; therefore, they must be carried in a purse or case. This magnitude of power bank can supply a partial charge to a laptop.

3. How big of a power station do I need?
The optimal power station dimensions are precisely matched to supply power to all the devices that require simultaneous operation. Not only will it be more expensive to acquire if it is too large, but it will also likely operate less efficiently than the appropriately sized item. Specific equipment may not work at peak efficiency if it is too compact; as a result, its lifespan may be shortened.

Jackery portable power stations, which range in capacity from 240Wh to 2160Wh, are suitable for powering outdoor or indoor appliances. However, it would be best to determine how many watts you will require or compile a list of the devices that require electricity from the power station. Then, compute the working hours utilizing the Jackery Portable Power Station using the subsequent formula:

Working Time (Hour) = [Power Station Capacity (Wh) x 0.85] / Appliance Wattage (W)

For example, if you use Explorer 2000 Pro power station (2160Wh) to power a 700W refrigerator, it will keep it working for 2.4 hours (2160Wh*0.85/700W). Consequently, you can calculate the operating hours of the appliances you intend to use using this formula.

Final Thoughts

The capacity of a battery and the amount of time it can operate without being recharged are both denoted in mAh. Higher mAh ratings on batteries indicate greater storage capacities and more extended run periods, all else being equal. By underestimating the mAh of your devices, you can determine which appliances require the most power. 

Analogous to this, the Ah value of solar power systems signifies their remaining life before requiring recharging. Jackery Portable Power Stations can charge many devices in your household and are a dependable power source. The best selection of Jackery products includes the Explorer 2000 Plus portable power station, which can charge for extended periods televisions, refrigerators, CPAP machines, and other appliances with over 638.4 Ah capacity.  

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