Professional Producer for Battery Charger

We have the experience, the knowledge and the product line

to provide you with quality charger for your electric motorcycles,

sweeper, golf car, E-scooter, forklift, storage energy etc!

Universal Battery Charges with Latest Technology and Unique Design

  • Electronic Bike Chargers with 3P3Z Algorithm Digital Power Technology
  • Waterproof Battery Chargers for E-scooter, Golf-car, electric car etc.
  •  MPPT Solar Charger Controller
  • Portable Power Station
  • Portable Digital Generator with Battery

What Is an MPPT Solar Charge Controller ?

When your solar panels collect solar energy, the process produces a higher output than your batteries can handle. For your system to work, you need to control the flow into the battery to get the most efficient flow and storage possible. A charge controller accomplishes this for your system.

The delivery from your panel to the battery in your system comes with voltage and amperage. Voltage measures the pressure of electrons in the system, and amperage measures the flow or current of those volts. Together, these create power, measured in watts. Getting the most power requires maximizing the combination of volts and amps running through your solar system.

The MPPT solar charge controller is a DC-to-DC converter for your solar power system. It receives voltage from the solar panels and converts it to charge your battery at a more appropriate level. The optimization helps you avoid losing some energy your system captures and generates, maximizing what you can store and use.

Benefits of an MPPT Solar Charge Controller

The efficiency and performance of your solar generator significantly increase when you use an MPPT controller. It yields numerous benefits that help you save money and recoup your initial investment in your solar power system more quickly.

More Efficient Power Transfer

Either type of solar charge converter affects the electric current from solar panels to the battery. The current is critical since the battery can only hold so much power at a time. Sending too wide a current to the battery will mean most of the energy is lost. But because the MPPT manages the voltage and the amperage, it allows your system to store more of the rated wattage for your solar panels.

Greater efficiency is critical to getting the most from your system and meeting your electricity needs from your solar power array.

Less Dependent on Weather

A key to solar power effectively meeting your energy needs is storing energy to use when the sun isn’t shining on your solar panels.

On cloudy days, the maximum power point changes throughout the day. The more time you miss that optimal balance, the less effectively your system can operate. The MPPT controller adjusts to environmental changes and helps your system maintain the best possible output.

Fewer Panels Needed

When you get more power from each solar panel, you may need fewer panels to deliver the energy you need. On the most basic level, this lets you save money by buying a smaller solar array.

Fewer solar panels also give you more flexibility with placement. You can focus your solar panels on the parts of your roof best positioned to absorb and convert sunlight into electric power.

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Smart Golf Cart Chargers

One for all, one model can suit for any kind of battery (LEAD ACID/ LITHIUM/ LIFEPO4 ETC) below 88V.

Different output plug for motorcycles, golf car, E-scooter etc like Yamaha, Ez-go RXV,  Ez-go TXT, Club Car,  Small Crowfoot plug


Output volt: 36-88V adjustable
Output current: 10A (350W-900W ) adjustable

Output volt: 36-88V adjustable
Output current: 15A(540W-1350W) adjustable

36-88V adjustable with LCD display to read the output power, charge cap etc; Setup the output power by USB cable or mobile phone bluetooth

Indoor Use non-adjustable Charger

600W 900W different power for choice:

48V15A, 48V10A, 36V18A, 36V12A, etc

Golf Cart Charger Plug

EZGO connectors, generic Anderson SB type connectors, Club Car round connector, crowsfoot connector that applies to some Club Car, EZGO, and Yamaha applications, and a ‘MAC’ connector for 1996 and later 48 volt Yamaha carts.

Outdoor Golf Cart Charger

For battery type: Lead acid/ Lithium/ LiFePO4 etc.
Max output voltage: 30-88VDC
Output current: 8-30A(constant current)

6 Products Found.

Dual Input Battery Charger

MPPT Solar Charger Powerbank DC Dual Charger Battery Banks Portable Power Station Power Bank For RV Laptop/CPAP

Designed to effectively pull powerfrom solar panel or vehicle’salternator to charge your auxiliary battery.

  • Car Battery Charger

    A highly sophisticated DC-DC dual battery charger with Maximum Power Point tracking (MPPT) technology to suit a variety of batteries.

  • Car Battery Charger

    Able to charge from either an alternator to get the best possiblerate of flow into your secondary battery or via solar power withthe built-in MPPT controller for faster charging.


    Over-charge,short circuit,over-temperature thermal load,solar input overload,input/output reverse polarity protection are incorporated

  • Car Battery Charger

    Compatible with Lead Acid,AGM,calcium and LiON batteries


MPPT stands for Maximum Power Point Tracking. It is an electronic DC to DC converter that optimizes the match between the solar array (PV panels), and the battery bank or utility grid. MPPT charge controllers regulate the voltage and the current from the solar array to match the requirements of a charging battery and consequently protect it.


    Photovoltaic Input power: 150W

    Photovoltaic Input Voltage: 14-25V

    Photovoltaic Output Voltage: 13.8V

    Battery Output Current: 10A(MAX 10A)


    Photovoltaic Input power: 300W

    Photovoltaic Input Voltage: 14-50V

    Photovoltaic Output Voltage: 13.8V

    Battery Output Current: 20A(MAX 23A)


    Photovoltaic Input power: 400W

    Photovoltaic Input Voltage: 17-50V

    Photovoltaic Output Voltage: 10-30V adjustable

    Battery Output Current: MAX 25A


    Photovoltaic Input power: 600W

    Photovoltaic Input Voltage: 17-50V

    Photovoltaic Output Voltage: 10-30V adjustable

    Battery Output Current: MAX 40A

FrogBro Services


With more than 15years electronices experience, we are committed to researching new energy power products towards high stability, lower defective rate and higher cost-effective


Strictly carry on ISO9001 quality system and keep updating our quality control system to offer 100% qualified products to customers. We were also audited by BSCl.

Quality Control

We are truly responsible for the products quality with high level raw materials, strict process
and systematic factory inspection.


Solar power generation,Outdoor energy storage power supply,RV backup power supply,Household appliances, Lighting Digital products, Solar powered toy car

2023 New Digital Generator with Battery Hybrid Outdoor UPS

Charge for portable power station faster

lt has push start, APP intelligent control, and automatic optimal management ofinternal operation.

Supply power continuously with gasoline.Act as a power bank and can charge for mobile phone, laptop,lpad, drone, digital camera, and other digital products when thegenerator does not work.
Equiped with TYPE-C interface which supports bi-directional fastcharging,100W/20V/5A.
It has a car charging port of strong power, 14.8V20A, can chargefor car battery temporarily.
lt has WIFl and Bluetooth and you can startup, stop, timing, programmable controlthe device from anywhere anytime.

Portable Digital Generator with battery 3KW

Portable Generator With Battery V2.0

It is compatible with multiple energy sources, such as gasoline, natural gas, liquefied natural gas, propane, energy and so on.
With paralleling multi-generators to form three-phaseelectrical and realize a micro-grid with higher power.It has higher power output capacity which isthree times of rated power output.It is equipped with UPS/EPS, and it can supply poweruninterruptedly.
The battery is separately designed and be taken off easily.

Portable Generator With Battery V3.0

High output: lt has the super power output capacity of 20Kw for single.

Strong networking: Capable of paralleling multi-generators wireless, easily forming three-phase electrical and realize a micro-gridwith higher power.
Long endurance: running all the time with energy

App connection: capable of APP control andremote operation.

Fast charging: networking can reach faster charging

30KW Portable Generator With Battery

FrogBro Power, Give you Power with Professional & Attitude

Established in 2005, Hangzhou FrankEver has been focusing on the production and exportof innovative electronic products. After years of quality control and technology innovation,it has achieved success in some particular fields.

With the concept of green environmental protection gradually becoming popular, HangzhouFrankEver founded the “FrogBro Power” sub-brand in 2019, and which is committed toresearching new energy power products towards high stability, lower defective rate andhigher cost-effective. In addition to advanced software and hardware technology, FrogBroPower is truly responsible for the products quality with high level raw materials, strict processand systematic factory inspection.

So far, FrogBro Power’s professional charger technology has solved charging problems inmany fields, and is widely used in solar charging, two-wheel/ three-wheel electric vehiclesgolf carts, electric lawn mowers, AGV storage Equipment and other fields, and alreadyreceived very good feedback.

FrogBro Power has a group of high-level software and hardware engineers and productionteam. The power solution ranges from 100W to 4000W, most of the products haveobtained CE, KC ROHS, UL and other certifications.

Portable digital generator with battery powered by Gasonline

Portable digital generator with battery powered by Gasonline
With Battery Built-in

The universsal model in market has no battery inside, alwady need to burn gasoline when working.
But our has battery built in, so it can work without gasoline for sometime, when battery run out, the AC motor will start automatically to charge it.

Bi-Directional Fast Charger

There is a Type-C on function panel, which can be work as output to charge mobile phone or as input to be charged via AC 110-240v

digital generator with battery built in
App Control and Setting

This generator can be controlled and setting on mobile phone app via bluetooth, you can on/off, timer, or monitor power consumption for each output.

Universal Application

Camping, Climbing, Cycling, Traveling, RV trip, Home Use, Outdoor activity, Deals with Power outages, Hurricane emergency

Power Charger Supplier from Design to Produce

We offer battery chargers compatible with lead acid, lithium, lifepo4 etc, which used for home or commerical like Eletric motorcycles, fortlift, storage energy etc.  There are universal battery charger, MPPT solar charger, dual input charges etc.  At same time, we developed new energy storage like portable power station, Portable generator with batterys . In addition to single and multi-bay chargers, we also offer the design and production of customized chargers/devices.

End-to-End Full-Turnkey Electronic Manufacturer

  • “I bought this to test power to games consoles which I fix up as a hobby. It works perfectly.Nice clear display and easy to use.
    Gives plenty options and adapters for testing different voltages etc but I haven’t tried any of them!”

  • “I have purchased many VOMs over the years. This one is as good or better than any of them and the price is good. Auto ranging is fast and the display is highly readable.”

  • “A factory with excellent service and product quality can provide good assistance, and the production lead time for orders is very timely.”

    David Liles

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Which Power Charger From Frogbro Power Suitable For You?

It’s important to note that not all chargers are suitable for every type of battery or device. It is recommended to use chargers specifically designed for the respective battery or device to ensure safe and efficient charging.  For more questions, pls read below FAQ or contact with Frogbro Power directly!

How to Choose Universal Battery Charger

Confirm the input voltage acceptable to the battery charger

Make sure to check the input voltage before using battery chargers; if the input is higher than the voltage the charger can withstand, it may cause damages to the components inside the battery charger. The best battery charger design is the universal global voltage of 110-230Vac that is used in most countries; certain brands of charger products even use thoughtful wide input design to match the 85-265Vac voltage so that it can be used in all countries around the world. Such wide range AC voltage input allows consumers in countries with unstable power infrastructure and city grid to use charging devices safely.


Confirm battery type

Under most circumstances, battery chargers are unable to identify whether the battery to charge is lead-acid battery, LiNiCoMnO2 battery or lithium iron battery. Therefore when purchasing chargers, you must first understand which type of battery is used to supply power so that the battery wouldn’t be unable to be charged or get damaged. In addition, the output voltage of the charger must also match the battery so that the battery wouldn’t get damaged. A good charger can even have its charging curve modified according to the features of different batteries to provide more flexible options.


Decide the charging voltage, current, and charging time design according to the battery specifications

General battery modules are composed of 18650 lithium batteries as the core and connected using serial and parallel connections; if the battery module of the device is 10S (serial), 42V output chargers must be selected. If it is a 12S (serial) battery module, a 50.4V output charger must be selected to provide sufficient charging voltage. In addition, the current size of the charger will also affect the length of the charging time; take a 20AH battery for example, a 4A charger needs 5 hours to fully charge the battery but an 8A charger only needs 2.5 hours.


Cooling process and capability of the battery charger

Common cooling methods of battery chargers include fan-less natural cooling, air cooling design and water cooling design. Chargers with fan-less design can reduce the chance of malfunctioning due to accumulation of dust on the fan, but how to let the heat dissipate naturally without causing heat build-up and high temperature are challenges to the structural design of the product. Chargers with air cooling design use the operation of a fan to achieve cooling effects; its advantages include simple circuit and easy maintenance. Chargers with water cooling design have better cooling effects and no noise from fans compared to chargers that use fans for cooling. Consumers can choose the most suitable battery charger according to the usage environment requirements of the devices.


Confirm there is an appropriate charger port (connector) on the device

Before choosing a charger, make sure the specification of the DC jack matches the device to be charged so that it wouldn’t be unable to be charged. Some brands of battery chargers can even support the requirements of several battery management systems and also provide several types of DC jacks to satisfy the usage needs of different devices.


Equipped with safe charging mode and protection design

The most important function of a charger is to complete charging the device safely and efficiently; a good charger should be equipped with high charging efficiency, optimized charging curve design, complete charging modes (pre-charge mode, constant current CC mode, constant voltage CV mode and floating charging mode), complete charging protection designs (OVP, UVP, SCP, reverse polarity protection, charger OTP, battery OTP and timing protection) and meets corresponding safety regulations and EMC specifications.

How Does the MPPT Charge Controller Work?

Your solar power system operates at the highest efficiency when it matches up with the levels of your batteries. If the power input goes too high, you lose most of that energy. If it goes too low, though, you won’t get the benefit of storing enough energy to make it work. You need the right balance for your system at any time.

The right combination of amps and volts is necessary to get the maximum wattage from your solar system. Wattage is the product of amps times volts. If your battery can only hold 12 volts, the amperage must be high enough to reach the total wattage your panel should produce.

Manually figuring this out can be complicated. The panel needs to put out more than the battery voltage to balance, so the numbers are not one-to-one. The maximum power point represents the correct balance of voltage and amperage to generate the most power from your solar panel — the point at which your system loses the least solar energy while converting and transferring it through your system.

Beyond that, the optimal system amperage and voltage levels fluctuate throughout the day. The angle of the sun hitting your panels plays a role here. Cloud cover, precipitation, and temperatures also affect the levels you need, and thus the ideal combination of voltage and amperage for your system. A person can’t just run a calculation to navigate all of that.

This is where an MPPT is critical. The charge controller monitors all of these inputs digitally and constantly tracks the optimal levels. It then regulates the current from the panel and the voltage into the battery. It continually adjusts those levels to move you as close as possible to the maximum power point in each given moment for your system to operate most efficiently.

Do You Need a Specialty LiFePO4 Battery Charger?

Many customers wonder if they need to purchase a special lithium-ion battery charger specific to lithium batteries. The short answer is that there are options to accommodate your charging needs. By opting for the right lithium-ion battery charger, you can ensure that your lithium batteries receive the appropriate charging, voltage, and current, optimizing their performance and longevity.

What Is the Difference Between MPPT and PWM Solar Charge Controller?

The MPPT solar charge controller is one of two primary kinds of charge controllers on the market. The alternative is a pulse width modulation or PWM charge controller. A PWM functions with a transistor that rapidly opens and closes to modulate the panels’ current.

The primary difference between the two kinds of solar charge controllers is that while the MPPT controller modulates both the voltage and the current, the PWM controller only affects the current. Since it reduces amperage without being able to affect voltage, it can’t impact the overall wattage other than to decrease from the highest output rating for your panels.

In other words, while an MPPT controller regulates optimal power output, the PWM controller only allows you to reduce the current going into the battery. Every solar panel comes with a standard rating for the wattage it can deliver. A PWM controller reduces the performance of each panel you have without the adjustments an MPPT controller can make to rebalance and make up the difference.

No solar system is 100 percent efficient. Depending on how the panel is set up and aligned, it usually converts only 15-20% of the sunlight it absorbs into electricity. EcoFlow’s rigid solar panels yield 23% conversion rate efficiency — amongst the best on the market. A PWM controller loses more energy as heat than an MPPT controller and fails to help you get the most from your system by only impacting half of the power equation

Do You Need a Special Charger for Golf Cart Batteries?

Depends on your battery type and the voltage of that battery

How Many Amps Do You Need to Charge a Golf Cart?

Because of their advanced electrochemistry, lithium batteries can charge much faster than lead acid. For example, a 100Ah lithium-ion battery like our Battle Born line can be charged at 50 amps (50% capacity) all the way to full. Meanwhile, a 100Ah lead-acid battery is usually specified to be charged at around 25 amps (25% battery capacity) for the first 70% of the current needs to be dropped and voltage needs to be held constant for the rest of the charge.

If you attempt to charge too fast all the way to full lead acid, batteries will get damaged. This is why you see “smart” chargers that make this change and watch the battery voltages carefully.

What Is the Best Battery Charger for a Golf Cart?

If you’re searching for the best battery charger for your golf cart, we highly recommend a charger that is programmable to work with many different battery types. These chargers usually have Bluetooth or a cable that lets you change the charge profile. The reason for this is that most golf carts have lead-acid batteries, but many choose to upgrade them to lithium. If you choose a charger that can change profiles it’s possible to keep the same charger and get the benefits of lithium easily.

Another type of charger we recommend is an On-Board Charger (OBC). These chargers are usually built into your golf cart and stay securely in place as you ride around. On-board chargers are convenient because they can convert any source of AC electricity into usable DC electricity

Should I Leave My Golf Cart Plugged in All the Time?

If you have the correct battery charger for your batteries, leaving your golf cart plugged in shouldn’t cause any issues. You need a charger that is “smart” and will stop charging when the batteries are full. These smart chargers also go into a trickle charge mode that charges very slowly to prevent drain.

Can You Overcharge Your Golf Cart Batteries?

Again, the appropriate battery charger should shut off before it overcharges the battery. However, if you have the wrong charger, you could risk overcharging and thus overheating your batteries. This will most certainly damage lead acid batteries, but it could also be extremely hazardous and cause a chemical fire.

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