Why is there no phone number?
Our service may not be suitable for people who prefer direct phone contact. We focus on modern solutions and process automation, which allows us to offer such competitive prices.
However, we offer several other convenient contact options — everyone will find something that suits them 🙂
How can I ask a question?
- Via the online chat in the bottom right corner of our website
- Via the contact form
- By writing directly to sklep@lupo-baterie.pl
- Send us a message on WhatsApp
- Contact us via Messenger
- The battery regeneration service can be ordered quickly and conveniently using our regeneration order form
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DeWalt DCB180 5200mAh 18V - Voltage: 18V
- Cells: Li-ion
- Warranty: 12 months
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Battery for REMS 14.4V 5200mAh - Voltage: 14.4V
- Cells: Li-ion
- Warranty: 12 months
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TranzX 24V Battery Rebuild - Number of cells: 28
- Capacity: 11600 / 13600 mAh
- Warranty: 12 months
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Xiaomi M365 Battery Rebuild - Number of cells: 30
- Capacity: 8700 / 10200 mAh
- Warranty: 12 months
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EL20_C 25.2V Battery Rebuild - Number of cells: 56
- Capacity: 23200 / 27200 mAh
- Warranty: 12 months
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Electronics for DeWalt 18V - Voltage: 18V
- Compatibility: Li-ion
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Electronics for Makita 18V - Voltage: 18V
- Compatibility: Li-ion
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Electronics for Hilti B22 3300 mAh - Voltage: 21.6V
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Housing for Hilti B22 5.2Ah - Condition: Used
- Warranty: 12 months
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Housing for Ryobi 18V - Condition: Used
- Warranty: 12 months
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Housing for Festool 14.4V - Condition: New
- Warranty: 12 months
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Hilti B22 8.0Ah Cell Pack - Capacity: 8000 mAh
- Warranty: 24 months
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Stiga SBT 5048 Cell Pack - Capacity: 5200 mAh
- Warranty: 24 months
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Sparky 12V Cell Pack - Capacity: 2000 mAh
- Warranty: 24 months
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Samsung INR21700-40T - Capacity: 4000 mAh
- Discharge current: 35A
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Molicel INR21700-P42A - Capacity: 4200 mAh
- Discharge current: 45A
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- Strzeszyńska 30B, 60-479 Poznań
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- Bicycles
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- A2B
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Tianneng
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Tianneng Battery Regeneration – restore full power to your e-bike
Tianneng is one of the largest battery manufacturers in Asia, widely used in electric bikes, scooters and light EVs. Their packs are reliable, but like all lithium-ion batteries, they eventually lose capacity. Shorter range, slower charging or sudden cut-offs are signs of aging cells. Instead of buying an expensive replacement, Tianneng battery regeneration allows you to rebuild the pack with brand-new cells and regain the performance you need.
Why Tianneng batteries degrade
Every battery has a limited number of charge and discharge cycles. Heavy use, storage in poor conditions, deep discharges or exposure to heat and cold accelerate wear. Over time, the pack delivers less energy and the electronics may cut power unexpectedly. Tianneng regeneration fixes the core issue by replacing worn cells with fresh ones and testing the BMS to ensure safe operation.
How the regeneration process works
Each Tianneng pack that arrives in our workshop follows a proven procedure:
- Diagnostics: capacity check, internal resistance measurement, BMS analysis.
- Disassembly: safe opening of the case, removal of used cells, cleaning of internal parts.
- Cell replacement: installation of new branded cells (Samsung, Panasonic, Sanyo).
- Electronics check: inspection of sensors, fuses, resistors and protection circuits.
- Final tests: full charge/discharge cycles under load to verify stable operation.
- Sealing: closing and securing the housing with warranty documentation.
Benefits of Tianneng battery regeneration
- Much cheaper than buying a new battery.
- Eco-friendly – reuses the housing and reduces e-waste.
- We use only premium branded cells for long service life.
- Stable range, reliable power output and accurate charging indicator.
- 12–24 month warranty on the regenerated pack.
- Fast turnaround – most jobs completed within a few business days.
About Tianneng
Founded in China, Tianneng has become a global supplier of batteries for e-bikes, scooters and energy storage. Their wide adoption makes regeneration a practical choice – it saves money, protects the environment and keeps your existing vehicle running smoothly. With Tianneng battery regeneration, you extend the life of your investment and ride with confidence.
Why choose us?
We bring more than 14 years of experience in battery regeneration. Our team uses advanced testing tools and new high-quality cells. Each order includes documentation and a written warranty, giving you full peace of mind.
Ride further, spend less
Tianneng battery regeneration means lower cost, sustainability and renewed performance. Your e-bike or scooter will feel like new again – ready for many more kilometers.