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Green Cell LiFePO4 battery 20Ah 12.8V 256Wh Lithium Iron Phosphate for Tractor, Lawn Mower, Electric Vehicle

Green Cell
In stock.
Shipping within 24 hours.
Satisfaction guarantee - 30 days return policy
  • Lighter weight and longer use - The LiFePO4 20Ah battery weighs approximately 3kg less than its lead-acid counterpart, offers 100% usable capacity and is suitable for cyclical operation and deep discharge.
  • Longer service life - over 2000 cycles charging for DoD 85%, thus guaranteeing over 10 years of operation, and thanks to low self-discharge even after a year of non-use, the battery will be fully operational.
  • Efficient nanophosphate cells allow the use of high charge and discharge currents, and the operating temperature range from -10°C to 55°C allows them to be used in motorhomes, boats, carts electric or in photovoltaics
  • Safety - Phosphate batteries have excellent thermal and chemical stability. Manufactured from light metals, they are non-toxic and non-polluting. Recycling them is simple and inexpensive.



Green Cell

LiFePO4 Battery

What is a LiFePO4 battery?

LiFePO4 is a lithium-iron-phosphate battery that offers significant advantages over batteries in other technologies.

Thanks to the long service life of over 2000 cycles, they provide us with over 10 years of use, and high current efficiency and over 3 times less weight than the equivalent in acid technology -leaded, ideally suited as a power source in motorhomes, boats, electric vehicles or solar installations.

Intelligent long-term solution

Despite the higher price, LiFePO4 batteries are characterized by a much lower operating cost, which means that the purchase pays for itself very quickly. Over its lifetime, the LiFePO4 battery costs over 100% less than a standard AGM battery, making it a worthwhile investment and a smart long-term solution.

The table shows a comparison of the total cost of ownership for 12V 100Ah batteries.

The highest class of energy

LiFePO4 batteries offer higher energy density than lead-acid batteries on the market. There is no memory effect that reduces the real capacity of the battery along with its use, and the self-discharge is small, so charging the battery does not cause problems. The batteries also have a constant discharge voltage, which makes them the safest batteries on the market.

When buying a lithium-iron-phosphate battery, we do not have to worry about maintenance, it is not required. All batteries lose energy naturally when idle. With LiFePO4 this loss is kept to a minimum, thus ensuring you have access to energy every time you need it.

Countless uses

LiFePO4 batteries have been designed for easy access to an efficient energy source that can cope with even the toughest conditions. The nanophosphate technology ensures thermal and chemical stability, so that the temperature does not significantly affect their performance. They can work effectively in a wide temperature range from -10°C to 55°C while maintaining their high capacity.

They are used, among others, as batteries for electric cars, where, thanks to the high discharge rate, they perfectly cope with starting cars and ensure stable and long-lasting driving. They are also used where the size and weight of the energy source is important - in motorhomes, electric boats or wheelchairs. They are also used in photovoltaics, which is slowly becoming the energy standard for households and even for entire estates.

Your and your battery's safety

The batteries are equipped with a high-class BMS (Battery Management System). The task of this system is to monitor the voltage and temperature of the cells during both charging and discharging. If dangerous values are exceeded, the system cuts off the power supply, thus ensuring the safety of the battery, connected devices and, most of all, the user!

LiFePO4 batteries are much safer than lithium-ion (li-on) solutions, while at the same time characterized by significantly higher thermal stability, resistance to changing weather conditions or high current charging, which makes them an excellent proposition for all customers expecting many years of maintenance-free operation.

/ Much more durable and safer than lithium-ion cells

/ Unlike their lead-acid counterparts, they do not emit hazardous gases, and there is no risk of exposure to corrosive electrolytes

A wide range of batteries LiFePO4

Compatible with following battery models
    Compatible with following devices

      Worth reading

      Choosing a battery for a yacht or boat

      Yacht and boat batteries – why is it important to choose the right kind?...

      Read more

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      Technical specifications
      Cells technology:
      24 months
      Green Cell
      Working temperature:
      from -10°C to 55°C
      Storage temperature:
      0°C to 45°C (at 60-80% SOC)
      Over 2000 cycles at DoD 85%
      Screw M5
      Internal resistance:
      Return policy:
      up to 30 days
      Total energy:
      Standard discharge current:
      Peak discharge current:
      Standard charging current:
      Charging temperature:
      0°C - 45°C
      Product code:
      Frequently Asked Questions
      How long does the ebike battery last?
      A standard Green Cell battery can last for around 500 full cycles - meaning a full discharge and recharge. If we calculate one cycle per week and the natural wear and tear of the cells over time, the battery life can last up to 10 years with careful driving. How long does the ebike battery last?
      Replacement of the battery in your ebike?
      The process of replacing the battery in your e-bike may seem complicated, but in reality, fitting a new battery can be easily done by yourself. Each Green Cell battery comes with a mounting rail that makes it easy to attach the battery to the bike. The batteries also have 4-pin output connectors - to connect the battery correctly, you just need to connect the two positive (+) and negative (-) pins. Detailed instructions are also included with each unit - so you can be sure that you will fit the battery without any problems. 
      Battery for an electric bike on a rear rack?
      The Green Cell rear rack battery is mounted on the rear of the bike, just behind the saddle. This type is usually used on city bikes. Due to their positioning, they have a specific reflector.
      How to check the battery in your bike?
      When buying a new battery for your electric bike, you should start by checking the three most important elements: The voltage of the original battery, the power of the motor and the type of plug with which the battery is connected to the bike. With this information, you can start your search for a new battery. Once you have checked these elements, all that remains is to check the dimensions of the new battery. When choosing a new battery, it's also a good idea to refer to the battery photos. Green Cell batteries for e-bikes have detailed photos that accurately depict each component of the battery pack. This makes it easy to find the right solution for your bike!
      How to calculate the ebike range?
      The capacity of Green Cell batteries directly affects the distance that can be achieved on an electric bike. In the Battery Empire shop, all batteries are given a range that corresponds to the distance that can be covered on a particular model, assuming that the motor has the standard 250W and the cycle is mixed (50% leg/rolling time, 50% electric motor time).
      ECO mode - calm riding mode
      TURBO mode - dynamic riding mode
      The table at the bottom of the page shows the range when the electric motor is used 100% of the time (continuous engine operation without a break which does not happen in practice - riding downhill/rolling on a straight road, which is why the Battery Empire has a mixed cycle)
      How long will a drill battery last?
      Green Cell batteries are known for their long service life - they can "take" up to 1,000 charging cycles, which ensures a long operating time for your device.
      What is the right battery for child's electric car?
      In kids' toy cars the batteries that are used most are AGMs. Most of them have measurements of: 151 x 65 x 95 mm; and their voltage is 12V. In our offer you can find many of Green Cell AGM VLRA batteeries, which comply with these requirements. Thanks to that, you will be able to find the right product to extend your kid's fun!
      What exactly is an AGM battery?
      Our batteries are AGM VRLA type. What does it mean? Electrolite is trapped within fiberglass separators and is not in gel form.
      How to choose the right battery for the camper?
      Batteries for campers should characterize by high capacities. In our offer you can find AGM batteries which offer up to 200Ah, which can allow for unstoppable work in even harshest of conditions.
      Can the battery capacity (mAh) be higher?
      Higher capacity of the battery shouldn't be any issue. It is worth remembering that higher the capacity - the longer the speaker will work.
      How to properly choose and use LiFePO4 battery?
      LiFePO4 batteries are characterized by the high density of energy and low values of self-discharge, which is the reason why they are such a popular product among yacht, boats and photovoltaic communities. Their biggest advantages are as follows: lack of lazy battery effect; high capacity, long life span; readiness to work in extreme temperatures (-10° C to +40° C).
      Battery for boat or yacht - how to choose the right one?
      LiFePO4 batteries are devices that can handle yacht, boats or photovoltaic requirements. What we should know before buying the battery: -LiFePO4 battery have voltage of 12.V; -it cannot be connected in serial or parallel configuration, because of the BMS (Battery Management System) onboard; -to achieve the longest lifespan of the battery it should work within range of it's designated temperture.
      What is the difference between AGM and LiFePO4 battery?
      The main difference between AGM and LiFePO4 batteries:
      AGM - a group of gel batteries having AGM (Absorbent Glass Mat) that is called VRLA (Valve Regulated Lead). In comparison to traditional batteries, AGMs have up to 4 times the lifespan and higher number of cycles. All thanks to previously mentioned fiber glass.
      LiFePO4 - a group of lithium-iron-phosphate batteries. Their construction is based on four cells connected in serial. Every one of them works with voltage of 3.2V which gives 12.8V in summary. One of the most imporant parts of this battery is it's BMS - Battery Management System.
      Can the battery capacity (mAh) be higher?
      Choosing battery with higher capacity shouldn't be of any issue. The capacity of the battery is expressed in amp-hours (Ah). The higher the capacity (e.g. 80Ah), the longer the time that battery can stay on during one cycle, which in turn let's us be more mobile and independent.
      How to choose the right battery for the dinghy?
      When choosing the right battery for your pontoon, it's worth paying attention to its dimensions and weight. A pontoon is usually much lighter than a normal boat, so a battery that is too heavy can significantly slow down its operation. The solution is to choose a LIFEPO4 battery - thanks to their innovative design they are significantly lighter than traditional gel batteries, making them even easier to transport. The durability and reliability of the LIFEPO4 make them the perfect batteries for pontoons and many other vehicles, not just watercraft.
      How to choose the right battery for the camper?
      LiFePO4 batteries are characterized by the high density of energy and low values of self-discharge, which is the reason why they are such a popular product within camper communities. Their biggest advantages are as follows: lack of lazy battery effect; high capacity, long life span; readiness to work in extreme temperatures (-10° C to +40° C).
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