Elfa can give a fitting answer to any question by offering a combination of a core range supplemented with its own production and assembly. We supply brand-independent, any battery packs, completely and exactly geared to the voltage, capacity and dimensions you desire. In large but also, small quantities, even only a couple of items. We either have it in stock, or we can produce it.
At Elfa we make exactly what the customer needs
It may be the case that the standard range of batteries of the different brands from our range does not match your demand. A suitable solution is required, and we can offer it. At Elfa, we produce custom made battery packs for specific applications. Requirements such as dimensions, capacity and connector are produced the way you want it. Also think of battery packs for emergency lighting fixtures. Using our 3-step plan, you can request a battery pack that meets your requirements.
Elfa has been working closely with the best manufacturers in the world for years and can produce battery packs with batteries from Saft, Tadiran, Panasonic and Varta, among others.
The assembly of battery packs by Elfa is done using various types of batteries, including NiCD, NiMH, Li-ion, LiFePO4, alkaline, and lithium. The battery choice depends on the application at hand. Details about the different battery packs are provided here.
NiCd batteries perform excellently at low temperatures and are economically priced, making the cost per cycle low. The battery packs produced by Elfa are robust, fast-charging with minimal stress, and easy to store and transport without legal restrictions. NiCd battery packs are ideal for industrial and professional applications and have the following advantages:
NiMH batteries (Nickel-Metal Hydride batteries) are easy to maintain due to their low memory effect. They contain no heavy metals, making them environmentally friendly. With a longer lifespan, rechargeability, and wide applicability, NiMH batteries are popular. They have 30-40% higher capacity than standard NiCd batteries and are easy to store and transport.
They are widely used in wireless tools, communication equipment, emergency lighting, and backup power. NiMH battery packs offer the following advantages:
For lithium-ion battery packs, a wide range of brands are used, with the Panasonic 18650 being a popular choice due to its reliability and excellent cost per kilowatt-hour. Li-ion battery packs are widely used in medical devices, industrial applications, military equipment, and robots.
A customized Li-ion pack can include battery holders, a PCB, PCM, BMS, cell balancing board, or other components. Li-ion packs offer the following advantages:
LiFePO4 battery packs require no maintenance thanks to the integrated Battery Management System. They can be mounted in any position and do not need ventilation. They can be 100% deeply discharged and have a lifespan five times that of lead-acid batteries.They are often used in electric vehicles, energy storage, medical equipment, emergency lighting and backup systems.
LiFePO4 battery packs perform well at low temperatures and are non-flammable, environmentally friendly, and lightweight. Other advantages include:
Alkaline battery packs are known for their durability and reliability, ideal for devices that require a constant stream of energy, such as smoke detectors and medical equipment. Made from zinc and manganese dioxide, alkaline batteries provide long-lasting energy and a longer lifespan compared to zinc-carbon batteries.
They are often used in smoke detectors, audio equipment, emergency lighting, and flashlights. They maintain a strong market position due to several advantages:
Lithium battery packs use lithium metal or lithium compounds as anodes and are known for their high energy density, ideal for compact, energy-intensive devices. They perform well at both very low and very high temperatures. With a higher voltage per cell (about 3.6V), they deliver more energy than standard alkaline batteries. Lithium batteries are designed to be discarded after discharge.
They are used in military applications, IoT devices, portable tools, and medical equipment. The benefits of lithium battery packs include:
These features make lithium battery packs ideal for use in a wide range of applications where reliability and efficiency are crucial.
Eric van de Laar
Sales & Business Unit Manager
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A Battery Management System or BMS is required to guarantee the efficient and safe operation of secondary lithium batteries. A good BMS monitors and controls the discharging and charging of rechargeable lithium batteries. The BMS ensures that the quality of the cells is maintained and monitors the safety of the complete battery or accumulator pack. Almost all applications that contain a rechargeable battery contain such a BMS. Think of electric cars, smart sensors, e-bikes, data centers and mobile phones. The functions of the BMS differ per application. For example, a BMS can stop charging when the maximum voltage is reached to prevent overcharging and issue a warning when irregularities occur. An advanced BMS can affect pack life and performance and pass data to an app or PC to monitor pack performance.
Our custom battery pack assembly (in Lijnden), is according to strict procedures and safety regulations. Hundreds of packs are made here every week. In order to guarantee the necessary capacity, Elfa has more than one production location. In addition, we have various partnerships with multiple battery manufacturers across Europe. As a result, we always have sufficient capacity, no order is too large.
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Elfa is certified under ISO 9001 and ISO 14001
In addition, Elfa has a partnership with a number of the world’s largest battery pack manufacturers. These are all ISO certified and also carefully audited and inspected. Together, we provide professional solutions to ship chandlers, electro-technical wholesale businesses, OEMs, the Ministry of Defence, the Fire department, Police, professional end users, rail industry and medical industry, among others.
In September 2023, Elfa concluded a collaboration with Tech Innovators BV to convert diesel-powered industrial tools to electric propulsion. To this end, Elfa supplied modular LiFePO4 battery modules that integrated perfectly with existing systems, enabling a smooth transition. This progressive approach resulted in:
Thanks to this successful collaboration, Tech Innovators BV has positioned itself as a leader in sustainable technology, with ambitious plans to roll out these solutions on a larger scale and inspire other sectors with their green strategy.
As a custom battery pack manufacturer, we aim to produce packs as effective as possible. You will receive a quick and clear answer to every question you submit to us, in written down to the smallest technical details. We can draw on decades of experience and choose the best solution for you. After all, practice concludes that such a down-to-earth approach automatically provides the best balance between quality and cost-efficiency. Your interests are our top priority. Do you have an application where standard batteries falls short? Read below how you can easily request your own battery pack through our 3-step plan or contact us if you prefer it that way.
To request your own battery pack, we use a simple 3 step-plan. Read the information below and download the 3-step plan containing a detailed explanation of all three steps.
Step 1. Send a sample pack
To make the process as simple and fast as possible, we would like to receive a sample of the pack that you want. Our customers often have a battery pack of which they want to order several new or replacement ones. If you can send us one sample pack, this will speed up the process and give us the opportunity to recreate the pack as precisely as possible (for example for the connector or dimensions).
Before sending the sample pack, please report your request via: [email protected]. With this request you mention the following details:
Then send us the sample pack with your reference to Elfa. Steps 2 and 3 then no longer need to be completed.
Step 2: Photos and specifications
If it is not possible to send us a sample pack, we would like to receive 3 photos of the battery pack, 3 photos of the connector and 3 specifications. See the sample photos in the appendix. Please have at least one photo where the label is clearly legible. Then send the photos, specifications and data of the applicant (see attachment) to [email protected]. Step 3 then no longer need to be completed.
Step 3: Fill in all the specifications
If option 1 & 2 are both not possible, fill in all the information about the contact person and the required battery pack and send the completed document to [email protected]. Do you have any questions about this? Get in touch with us through email or phone.
Do you have any further questions or would you like more information on our custom battery pack assembly? Please contact us! We are happy to help you and answer all your questions. The easiest way is to fill in the contact form below. We will contact you as soon as possible.
Elfa Amsterdam
Madridstraat 5-7
1175 RK Amsterdam (Lijnden)
+31 (0)20 643 69 72
[email protected]
Elfa Erp
Molentiend 10
5469 EK Erp, (Noord-Brabant)
+31 (0)413 212 222
[email protected]
