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Have your favorite Sparky power tools lost their original punch? Is your work constantly interrupted by the need for frequent charging? Professional regeneration of the Sparky B1HR 12V battery is a proven way to restore your equipment to factory efficiency, and often even improve it. Instead of investing in low-quality, unreliable replacements that may not fit perfectly or last long, we offer a service based on engineering precision and world-class components. Our company, with over 15 years of experience in the industry, guarantees that the renewal process of your battery will be carried out with attention to every technical detail.
By choosing regeneration, you are opting for a solution that is both economically rational and environmentally responsible. We utilize the original housing of your battery, which is perfectly matched to your Sparky tools and chargers, replacing only the "heart" of the battery – the worn-out cells. Whether your original battery used NiCd or NiMh technology, we use the latest high-quality NiMh cells from industry leaders. This gives your battery a second life, offering stable operation even under extreme loads. It is an investment in quality that translates into real progress in your daily professional or DIY tasks.
The process of Sparky B1HR 12V battery regeneration is a complex service operation requiring specialized technical facilities. We begin by carefully opening the housing to ensure its mechanical structure remains intact. Next, we remove the old, depleted cell pack and perform a detailed verification of the internal connections and thermal protection components. In our company, safety is the top priority – we ensure that all internal elements are fully functional and compatible with the new cell pack to guarantee proper communication with the tool and the charging process.
The next stage involves welding a brand-new pack of high-current cells. We use only top-tier cells specifically designed for power tools, which offer better performance than standard consumer batteries. The connections are made using thick nickel strips and professional resistance spot welders, which minimizes internal resistance and prevents excessive battery heating during intensive use. Every regenerated battery undergoes rigorous final testing, including capacity measurements and load tests, which we confirm by placing a service date on the housing. This gives you the certainty that you are receiving a product ready for the toughest challenges.
15+ Years of Experience
A guarantee of established standards and technical knowledge you won't find anywhere else.
Branded High-Current Cells
We work with cells from top manufacturers — ensuring real capacity and a long service life.
Warranty & Safety
A written warranty of 12 months is provided for every regenerated battery pack.
Fast Turnaround
We complete most regenerations within 2–5 business days because we know your tools must work.
LiveChat Support
Our specialists are available live — before and after the service, with no long waiting times.
Preferential Parts Pricing
New housings and components at attractive prices — exclusively for our regeneration customers.
Don't worry, we regenerate almost every type of Sparky battery. If your designation is different, you have doubts, or your battery looks different from the photos above – write to us. Send us a photo of your battery (especially the rating plate), and we will quickly check what we can do and prepare an individual quote for you with available capacity variants.
Do it by choosing one of the following options:
Add the selected service to your cart. Shipping details will be provided via email after the order is placed.
Send the battery to us after filling out our online regeneration order form, which is quick and convenient. The form allows for the automatic generation of a shipping label.
Every Sparky B1HR 12V battery regeneration we perform concludes with the issuance of a warranty document. We are confident in our technological processes and the components used, which is why we offer full support for 12 months. This provides security for your budget and a guarantee that the service was performed reliably by industry professionals.
In the renewal process, we use only selected high-current cells, ensuring that your Sparky B1HR 12V regeneration results in maximum efficiency. These cells allow for a stable energy flow even during the heaviest tasks, such as drilling into hard materials, while providing a significantly longer lifespan for the entire battery pack compared to standard replacements.
The key to durability is the precision of the connections. We use professional high-power welders and pure nickel strips (0.3mm thick), which guarantees stable connections resistant to shocks and high temperatures. Thanks to this, energy flows without loss, and the battery does not overheat, directly translating into the trouble-free operation of your Sparky tools for many years.
During every service, we check the condition of the internal protection systems. If the thermal sensors or connectors in your Sparky B1HR are faulty, we replace them. These systems protect the cells from overheating and over-discharging, which is crucial for maintaining high efficiency over hundreds of charging cycles. We invest in solutions that realistically extend battery life.
We do not use cheap marketing tricks. The parameters we offer are 100% consistent with reality and confirmed by capacity tests. Thanks to branded cells, you get exactly the amount of energy you pay for, allowing you to plan your work without fear of sudden equipment discharge. Real capacity is the foundation of the trust on which we build our brand.
By using the original housing, we maintain full mechanical and electrical compatibility. Your battery after regeneration will perfectly fit all tools from the Sparky 12V series and original factory chargers. Solid mountings and precisely selected contacts guarantee user comfort identical to a new, original product, ensuring your tools are always ready for action.
1) The accurate working temperature
Batteries suffer very badly at extreme temperatures. If you want to extend the life of your battery, you should avoid overloading it too much. If your battery works for a very long time, that's why it is probably very hot. It is wise to pull it out of the device and wait 10-15 minutes until it cools down.
2) Battery overcharge
If you want your batteries to have a very long life, you should also avoid their deep discharge. If during daily work on the battery you see a fairly large decrease in the efficiency of the device powered by the battery, you should stop its work as soon as possible and connect the battery to the charger.
3) Battery rest
You must also remember that the discharged battery for proper operation needs about 5 minutes of "free charging" before connecting to ”normal” charging. During "free charging" our battery temperature will drop significantly which will obviously have a very beneficial effect during subsequent charging.
4) Appropriate storage of the battery
The life of batteries is also greatly influenced by their proper storage. If you are not going to use the battery in the near future, it is worth charging it for the level 60-70%. Charged battery should be put in a safe place with temperature above zero.
5) Battery formatting
If you have batteries based on popular NiCd cells, you should also remember that it is possible that the so-called "memory effect" may occur. Batteries with NiCd cells should be discharged at least once every three cycles, and then charged to 100% level. Through these actions you will keep the maximum capacity of the battery.
Brand: Sony
Mark: VTC4
Capacity: 2000mAh
Nominal voltage: 3,6V
Maximum discharge current: 30A
Warranty: 12 months
Photos:

Brand: Sony
Mark: VTC5
Capacity: 2600mAh
Nominal voltage: 3,6V
Maximum discharge current: 35A
Warranty: 24 months
Photos:

Brand: Sony
Mark: VTC6
Capacity: 3000mAh
Nominal voltage: 3,6V
Maximum discharge current: 25A
Warranty: 24 months
Photos:

Brand: Samsung
Mark: INR18650-15K
Capacity: 1500mAh
Nominal voltage: 3,6V
Maximum discharge current: 15A
Warranty: 12 months
Photos:

Brand: Samsung
Mark: INR18650-15Q
Capacity: 1500mAh
Nominal voltage: 3,6V
Maximum discharge current: 18A
Warranty: 12 months
Photos:

Brand: Samsung
Mark: INR18650-20Q
Capacity: 2000mAh
Nominal voltage: 3,6V
Maximum discharge current: 15A
Warranty: 12 months
Photos:
Brand: Samsung
Mark: INR18650-30Q
Capacity: 3000mAh
Nominal voltage: 3,6V
Maximum discharge current: 15A
Warranty: 12 months
Photos:

Brand: Samsung
Mark: INR18650-25R
Capacity: 2500mAh
Nominal voltage: 3,6V
Maximum discharge current: 20A
Warranty: 12 months
Photos:

Brand: Lishen
Capacity: 1500mAh
Maximum discharge current: 30A
Warranty: 12 months
Photos:

Brand: Lishen
Capacity: 2000mAh
Maximum discharge current: 30A
Warranty: 12 months
Photos:

Brand: Lishen
Capacity: 3300mAh
Maximum discharge current: 30A
Warranty: 12 months
Photos:

Brand: Panasonic
Capacity: 1900mAh
Maximum discharge current: 30A
Warranty: 24 months
Photos:

Brand: Panasonic
Capacity: 3000mAh
Maximum discharge current: 30A
Warranty: 24 months
Photos:

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