The traction batteries for Clark forklifts are an essential component to ensure the autonomy, power and safety of these electric machines. Choosing the right model and maintaining it correctly allows you to take full advantage of its performance and extend its service life.
In this guide you will find practical information on how to select the right battery for your Clark model, learn about the different types of technology available, and apply good installation and maintenance practices to ensure maximum reliability and performance over time.
Contenido
Practical guide: how to identify the compatible battery
Correctly identifying the compatible battery for your Clark truck is critical to ensure performance and avoid replacement errors. Here are the essential steps to check that the new battery conforms to the original specifications.
How to identify the compatible battery for your Clark forklift truck
- Where to find the nameplate.
- What measurements and tension to note.
- How to read the reference and the number of elements.
- Frequent errors and how to avoid them.
1. Check the nameplate
Locate the truck’s nameplate, usually located on the chassis or near the driver’s seat. There you will find the key data: model, nominal voltage (V) and capacity (Ah). These values determine the type of compatible traction battery and prevent replacement errors.
2. Measure the battery compartment.
With the forklift off, measure the inside of the metal box where the battery is installed. Measure the length, width and height, leaving a small margin for ventilation and extraction. Avoid common mistakes such as mounting a battery higher or heavier than recommended, as this may affect stability or make it difficult to close the compartment.
3. Check the connector and polarity
Check the type of connector (DIN or REMA, depending on the model) and its position inside the compartment.
Make sure that the polarity of the cables matches that of the equipment, as an incorrect connection may cause electrical faults or damage the charger.
4. Clark forklift models and compatible batteries
See below the table of Clark truck models with their compatible traction batteries, voltage and capacity ratings.
This information will help you confirm the right battery for your truck and ensure full compatibility.
| Modelo Clark | Voltaje | Capacidad Ah | Medidas Cofre |
|---|---|---|---|
| 300/25 | 36 | 690 | 945x590x590 |
| A721 | 24 | 240 | 605x350x375 |
| CEM16X | 48 | 840 | 832x739x784 |
| CEM16X | 48 | 930 | 832x739x784 |
| CEM20 | 80 | 560 | 1025x708x784 |
| CEM20X | 48 | 840 | 832x739x784 |
| CEM20X | 48 | 930 | 832x739x784 |
| CEM25S | 80 | 560 | 1025x708x784 |
| CEM30S | 80 | 560 | 1025x708x784 |
| CRX-25 | 48 | 240 | 960x420x560 |
| CTM10 | 48 | 345 | 827x411x627 |
| CTM10 | 48 | 375 | 827x411x627 |
| CTM10X | 48 | 420 | 832x415x784 |
| CTM10X | 48 | 465 | 832x415x784 |
| CTM12 | 48 | 460 | 827x519x627 |
| CTM12S | 48 | 345 | 827x411x627 |
| CTM12S | 48 | 375 | 827x411x627 |
| CTM12SX | 48 | 420 | 832x415x784 |
| CTM12SX | 48 | 465 | 832x415x784 |
| CTM12X | 48 | 560 | 832x523x784 |
| CTM12X | 48 | 620 | 832x523x784 |
| CTM16S | 48 | 460 | 827x519x627 |
| CTM16SX | 48 | 560 | 832x523x784 |
| CTM16SX | 48 | 620 | 832x523x784 |
| CTM16X | 48 | 625 | 832x631x784 |
| CTM16S | 48 | 360 | 827x519x627 |
| DV125/0187 | 24 | 575 | 910x325x610 |
| E18C/18Z | 48 | 930 | 832x739x784 |
| EC20 | 36 | 630 | 850x616x595 |
| EC20 | 36 | 805 | 850x616x595 |
| EC300 | 48 | 450 | 921x642x580 |
| EC300 | 48 | 525 | 850x615x575 |
| EC300-30 | 48 | 525 | 930x645x580 |
| EC300-30 | 48 | 575 | 920x640x595 |
| EC300-30 | 48 | 575 | 820x705x620 |
| EC300S-30 | 36 | 805 | 945x658x600 |
| EC330-30 | 36 | 805 | 850x616x595 |
| EC500 | 48 | 630 | 975x755x575 |
| EC500-30 | 48 | 525 | 905x645x565 |
| EC500-30 | 48 | 690 | 964x700x600 |
| EC500-60 | 48 | 920 | 975x813x595 |
| ECA20 | 72 | 460 | 960x690x620 |
| ECA27 | 36 | 720 | 985x820x560 |
| ECM20 | 72 | 620 | 1025x708x784 |
| ECM20 | 80 | 500 | 1025x708x784 |
| ECM25 | 72 | 620 | 1025x708x784 |
| ECM30 | 72 | 620 | 1025x708x784 |
| EK25 | 36 | 630 | 985x690x575 |
| EK25 | 48 | 630 | 985x690x575 |
| EKH10.3 | 48 | 465 | 832x415x784 |
| EM10 | 48 | 345 | 810x409x625 |
| EM12 | 48 | 320 | 820x520x620 |
| EM12 | 48 | 460 | 820x520x620 |
| EM12 | 48 | 500 | 820x520x620 |
| EM15 | 48 | 575 | 825x630x620 |
| EM15 | 48 | 625 | 825x630x620 |
| EM15 | 80 | 460 | 1023x705x605 |
| EM15S | 48 | 525 | 827x627x627 |
| EM15S | 48 | 575 | 827x627x627 |
| EM17 | 80 | 460 | 1023x705x605 |
| EM20 | 72 | 500 | 1023x705x613 |
| EM20 | 80 | 360 | 1023x705x605 |
| EM20 | 80 | 420 | 1023x705x605 |
| EM20 | 80 | 460 | 1023x705x613 |
| EM20 | 80 | 460 | 1023x705x605 |
| EM20 | 80 | 460 | 1023x705x627 |
| EM20 | 80 | 500 | 1023x705x613 |
| EPA30 | 36 | 1050 | 985x803x565 |
| EPG15/18 | 48 | 480 | 973x733x470 |
| EPG15/18 | 48 | 550 | 973x733x470 |
| EPG20/25 | 48 | 0 | 980x785x525 |
| EPG20/25 | 48 | 630 | 980x785x525 |
| EPG30 | 48 | 640 | 990x980x525 |
| EPG30 | 48 | 720 | 990x980x525 |
| EPG30 | 48 | 0 | 990x980x525 |
| EPM20 | 72 | 620 | 1025x708x784 |
| EPM25 | 72 | 620 | 1025x708x784 |
| EPM30 | 72 | 620 | 1025x708x784 |
| EPX20/25l2019 | 48 | 650 | 980x785x525 |
| ESM15S | 36 | 620 | 965x340x774 |
| ETM20 | 72 | 620 | 1025x708x784 |
| ETM25 | 72 | 620 | 1025x708x784 |
| ETM30 | 72 | 560 | 1025x708x784 |
| ETM30 | 72 | 620 | 1025x708x784 |
| FX20/25 | 48 | 325 | 1125x373x555 |
| GEX20 | 80 | 560 | 1025x708x784 |
| GEX20 | 80 | 620 | 1025x708x784 |
| GEX20-30SBR | 80 | 560 | 1025x708x750 |
| GEX20-30SBR | 80 | 700 | 1025x852x750 |
| GEX25 | 80 | 560 | 1025x708x784 |
| GEX25 | 80 | 620 | 1025x708x784 |
| GEX30 | 80 | 775 | 1025x852x784 |
| GEX30 | 80 | 840 | 1025x852x784 |
| GEX40 | 80 | 775 | 1025x996x784 |
| GEX30L | 80 | 775 | 1025x850x784 |
| GTX16 | 48 | 460 | 827x519x627 |
| GX10 | 48 | 560 | 832x523x784 |
| GXT16STD | 48 | 500 | 827x519x627 |
| JEP155C | 36 | 805 | 850x616x595 |
| LIFTTW40 | 36 | 630 | 990x540x620 |
| NPR20 | 24 | 930 | 970x340x780 |
| PPXS20 | 24 | 225 | 652x203x590 |
| PSX16 | 24 | 375 | 809x211x627 |
| PSX16 | 24 | 375 | 810x212x627 |
| PW15 | 24 | 195 | 746x175x560 |
| PW15 | 24 | 225 | 738x192x564 |
| PW15 | 24 | 225 | 746x175x560 |
| PW18 | 24 | 195 | 746x175x560 |
| PW18 | 24 | 225 | 738x192x564 |
| PW18 | 24 | 225 | 746x175x560 |
| Q023T. | 80 | 775 | 1025x852x784 |
| Q023T. | 80 | 840 | 1025x852x784 |
| Q02L20Q | 80 | 560 | 1025x708x784 |
| Q02L20Q | 80 | 620 | 1025x708x784 |
| Q02L25CU | 80 | 560 | 1025x708x784 |
| REACH | 48 | 270 | 1100x370x520 |
| ROS40 | 24 | 1240 | 975x420x779 |
| SE133 | 48 | 345 | 827x411x627 |
| T20 | 24 | 225 | 750x165x600 |
| TE3000 | 24 | 225 | 746x175x560 |
| TM10 | 48 | 345 | 810x409x625 |
| TM12 | 24 | 625 | 890x330x760 |
| TM12 | 48 | 345 | 810x409x625 |
| TM12/24V | 24 | 775 | 890x330x780 |
| TM12S | 48 | 270 | 810x409x625 |
| TM12S | 48 | 315 | 810x409x625 |
| TM12S | 48 | 345 | 810x409x625 |
| TM12S | 48 | 375 | 810x409x625 |
| TM13 | 48 | 345 | 810x409x625 |
| TM15 | 48 | 460 | 820x520x620 |
| TM15 | 48 | 500 | 820x520x620 |
| TM16 | 48 | 460 | 820x520x620 |
| TM16 | 48 | 500 | 820x520x620 |
| TM17 | 36 | 575 | 985x520x787 |
| TM20 | 36 | 625 | 970x505x780 |
| TM20 | 36 | 930 | 970x505x780 |
| TMG15 | 48 | 500 | 986x521x787 |
| TMX13 | 48 | 465 | 986x349x787 |
| TMX15 | 48 | 620 | 986x521x787 |
| TMX15 | 48 | 775 | 994x521x787 |
| TMX15S | 48 | 465 | 986x349x787 |
| TMX18 | 48 | 620 | 986x521x787 |
| TMX18 | 48 | 775 | 994x521x787 |
| TMX20X | 48 | 775 | 986x635x787 |
| TMX20X | 48 | 930 | 986x635x787 |
| TV25 | 24 | 575 | 806x322x620 |
| TW20 | 24 | 575 | 910x325x610 |
| TW20 | 24 | 575 | 960x340x598 |
| TW25 | 24 | 575 | 911x327x650 |
| TW40 | 24 | 250 | 796x210x625 |
| WP20 | 24 | 230 | 715x210x625 |
| WP20 | 24 | 250 | 715x210x625 |
| WPX20 | 24 | 150 | 650x200x555 |
| WPX20 | 24 | 195 | 650x200x555 |
| WPX20/PPX(S)20 | 24 | 225 | 650x200x580 |
| WSX12 | 24 | 195 | 746x175x560 |
| WSX12 | 24 | 225 | 746x175x560 |
| WSX12/WSXD20WSX14 | 24 | 195 | 750x175x555 |
| WSX12/WSXD20WSX14 | 24 | 225 | 750x175x555 |
If you don’t have the original reference, our technicians can verify compatibility and recommend the right battery for your Clark forklift.
Request free verificationBatteries compatible with CLARK® forklifts and other equivalent industrial models.
Forklift battery 24V 875ah
2.760.01€ IVA incl.
Forklift battery 24V 840ah
2.997.17€ IVA incl.
Forklift battery 24V 775Ah
2.532.53€ IVA incl.
Electric Stacker Battery 24V 345Ah
1.571.79€ IVA incl.
Forklift Truck Battery 24V 240Ah
1.277.76€ IVA incl.
How to choose a Clark forklift battery?
Before replacing the battery in a Clark forklift truck, it is important to analyze the actual working conditions and equipment characteristics. This step ensures that the new battery is suitable for the intended use, maintains the required power and offers optimum energy efficiency.
The main factors are the type of operation (single or multiple shift), the temperature of the warehouse and the required capacity (Ah) according to the day and the weight of the loads. Correctly evaluating these variables helps to optimize loading cycles and reduce premature system wear.
It is also essential to respect the technical standards defined by Clark, such as voltage, compartment dimensions and connector location. Following these specifications ensures compatibility, safe installation and reliable long-term operation.
Knowing these differences is key to selecting the right battery and ensuring compatibility with each truck model.
How much does a Clark forklift battery cost?
The price varies depending on the technology and voltage of the equipment. Below you will see indicative ranges and how to estimate the TCO.
| Voltage | Lead-Acid | Lithium-Ion |
|---|---|---|
| 24 V | Starting at 2.000 €. | Starting at 6.000 €. |
| 48 V | Starting at 3.000 €. | Starting at 16.000 €. |
| 80 V | Starting at 5.000 €. | From 25.000 €. |
Total cost (TCO)
It includes purchase, maintenance, consumption and service life. The right choice reduces the long-term operating cost.
Financing and leasing
Flexible payment options that facilitate fleet modernization with a controlled investment.
Traction battery types: lead-acid and lithium-ion
Clark equips its trucks with two major technologies: lead-acid and lithium-ion.
| Feature | Lead-acid | Lithium-ion |
|---|---|---|
| Reliability | Proven industrial technology; stable performance | High with BMS and thermal control |
| Initial cost | More competitive | Superior |
| Maintenance | Water refilling and periodic cleaning | Low intervention; specialized service |
| Repairability | High; replaceable cells/bridges | Modular; sometimes complete replacement |
| Spare parts | Wide standard availability | Manufacturer dependence |
| Thermal performance | Stable over a wide range | More sensitive to extremes |
| Recyclability | Mature chain (>90%) | In development |
| TCO | Very competitive in standard applications | Advantage in fast loads/intensive shifts |
As shown in the table, lead-acid (Pb) forklift batteries combine reliability, good performance and low operating cost, making them the most cost-effective and safest choice for Clark electric trucks.
Lead-acid
Robust, stable technology with a proven safety record in demanding industrial environments.
Lithium-ion
Solid performance with proper BMS and thermal control.
Clark original and compatible Clark batteries: key differences
Clark electric forklifts can be equipped with either original manufacturer’s batteries or compatible versions manufactured by specialized companies. Both options offer safe and efficient operation, as long as the same electrical and mechanical parameters of the equipment are respected.
At Rebatex, through our Voltem brand, we develop traction batteries that are fully compatible with Clark models, meeting the quality and safety standards required by the European standard EN/IEC 60254. These batteries match the performance of the original ones and offer additional advantages such as customized manufacturing, local maintenance and a more competitive cost.
To ensure compatibility with each model, the following technical parameters must match:
Choosing a certified and correctly sized battery ensures safe installation, consistent performance and long life for Clark electric trucks.
How to install a new traction battery in your Clark truck?
Replacing the battery of an electric forklift truck requires caution and the use of the proper equipment, especially because of the weight and voltage these systems handle.
By following these steps you will be able to do it in a safe, orderly and efficient way:
REBATEX Technical Demonstration
Assembly and replacement procedure for traction batteries in electric forklifts.
Disconnect power and prepare the environment
Open the compartment and release the old battery
Disconnect cables and inspect the connector
Remove the discharged battery safely
Install the new battery
Connect, check, and perform the first charge
Final inspection and initial maintenance
Why does the choice of battery impact the performance of your Clark truck?
The traction battery is the element that determines the actual performance of a Clark electric truck. Its capacity, voltage and condition directly influence lifting power, working range and operational safety.
An adequate and well-maintained battery keeps the traction force constant throughout the day, reducing charging times and avoiding unnecessary stops. On the other hand, a deteriorated or inadequate battery can cause overheating, loss of power and higher energy consumption.
Main signs of wear or failure:
Symptoms of battery wear or failure:
- Significant reduction in autonomy between charges.
- System or charger overheating.
- Loss of power in elevation or traction.
- Longer or irregular loading times.
Detecting these symptoms early and replacing the battery prevents further damage to the truck and improves equipment productivity.
Maintenance and accessories that extend service life
Good maintenance makes the difference in lead-acid (Pb) traction batteries: more stable autonomy, fewer breakdowns and longer service life.
Recommended systems and accessories
- Automatic filling (BFS/Aquamatic): fills all cells at once, fast and safe.
- Distilled water carts/knobs with filter and hose.
- Intelligent HF chargers with IUIa curve, programmable equalization and load recording.
- Level/temperature indicators and terminal protectors.
Routine use and loading
- Charge at the end of each shift; avoid going below 20-30% charge.
- Equalize according to manufacturer (e.g., weekly or every X cycles).
- Add water only after charging and up to the marked level (distilled water).
- Maintain ventilation of the cargo area (as per EN 62485-3).
Temperature and storage
- Optimum temperature: 20-25 °C. Continuous heat accelerates degradation; cold reduces autonomy.
- Long shutdowns: store at 50-70 % and maintenance recharge every 4-6 weeks.
60″ Maintenance Checklist
-
Check electrolyte level (add distilled water after charging).
-
Cables and connectors tight, no looseness or abnormal heating.
-
Keep surface clean and dry, free from sulfation.
-
Charging log and equalizations up to date.
Frequently asked questions about Clark forklift batteries
Technical support and expert advice
At Baterías y Amperios we put engineering and experience at the service of your fleet. We verify compatibility, custom manufacture and offer direct assistance in traction batteries for Clark forklifts.
How to buy the right battery online?
Before ordering, please confirm the voltage, capacity (Ah) and dimensions of your battery box. Our technical team can verify these data free of charge, checking also the type of connector and the compatibility with the charger.
In this way, we ensure that the battery fits perfectly in your Clark truck and maintains its performance from the first cycle.
Why choose a certified distributor such as Baterías y Amperios?
Because we manufacture under UNE-EN 60254 standards, assembling each traction battery with high-density European components and individual quality control. Our solutions are designed for Clark electric trucks and are adapted to the weight, voltage and compartment of the corresponding model.
By working with a certified distributor, you ensure durability, energy efficiency and direct technical support throughout the life of the battery.
How to request a technical compatibility study?
If you do not have the original reference, our technical service can perform a free compatibility study. We analyze the Clark model, the number of hours per shift, the dimensions of the compartment and the type of connector.
With this information we design a traction battery that precisely fits your operational needs.
Have doubts about the compatible battery for your Clark?
Contact our technical team and receive personalized advice. We verify compatibility, performance and mounting options according to your forklift model.
Talk to a technicianWarranties and after-sales services
Clark traction batteries are covered by a standard 24-month warranty against manufacturing defects. This coverage includes cell, connector and electrical component failures, provided the manufacturer’s recommended maintenance has been followed.
What is covered by the warranty
- Manufacturing defects in cells or modules.
- Connectors or bridges with origin defect.
- Performance deviations due to structural failure.
Maintenance requirements
- Use of approved and calibrated chargers.
- Documented record of loads and revisions.
- Check water level and adequate ventilation.
Usual exclusions
- Knocks or reversed polarity during assembly.
- Sulfation or overheating due to lack of water.
- Use of non-compatible chargers.
In case of incident
Identify: Clark model, serial number and date of purchase.
Documents: photographs of the box, connectors and voltages per element.
Contact: technical service or authorized distributor for diagnosis or replacement.
Do you have questions about coverage or need technical support?
Consult after-sales assistance
