Įvadas
This manual provides essential information for the safe and efficient use of your Varstrom 48V 17.5Ah Rear Rack Ebike Battery. Please read it thoroughly before installation and operation to ensure optimal performance and longevity of your battery.
Produktas baigtasview ir specifikacijos
The Varstrom 48V 17.5Ah Rear Rack Ebike Battery is a high-performance lithium battery designed for ebike conversion kits, compatible with Bafang Mid Drive Kits and other hub motors. It features an integrated Smart Battery Management System (BMS) for enhanced safety and battery life.

Vaizdas: Išsamus view of the Varstrom 48V 17.5Ah Rear Rack Ebike Battery, showing its dimensions and key parameters such as Voltage/Current (48V 17.5Ah), Energy (840Wh), BMS (30A), Weight (6KG), Cycle Life (1000 times), Install Position (Rear Rack), and Battery Cell (18650 2600MAH).
Pagrindinės funkcijos:
- Pažangi akumuliatorių valdymo sistema (BMS): Manages power consumption, protects against short circuits, excessive currents, overcharging, and deep discharge.
- Safe Lock & LED Battery Level Light: Ensures secure attachment to the bike frame and provides real-time battery status.
- Reliable Performance and Durability: Each battery undergoes rigorous quality control and offers over 1000 charging cycles.
- Sukomplektuoti priedai: Includes a USB port for charging devices (5V 1.5-2A output), a rear rack for easy assembly on 24", 26", 28" wheels, and a taillight for safety.
- Platus suderinamumas: Designed to integrate seamlessly with most ebike conversion kits, including Bafang Mid Drive Kits and other hub motors.
Detailed Specifications:
| Baterijos medžiaga | Ličio |
| Nominalus ttage | 48 V |
| Nominali talpa | 17.5 Ah |
| Įkroviklio srovė | 2A/3A |
| AC įvestis | 110-240V, 50/60Hz |
| Max Charging Voltage | 48V-54.6V |
| Įkrovimo laikas | 6-7 valandas |
| Ypatinga funkcija | Atsparus vandeniui |
Kas įtraukta
Your Varstrom 48V 17.5Ah Rear Rack Ebike Battery package includes the following items:
- 1x Varstrom 48V 17.5Ah Rear Rack Ebike Battery
- 1x Pair of Keys
- 1x 6 PIN Battery Plate
- 1x Extension Cable with Plug (XT60)
- 1x Charger (2A/3A)
Saugos informacija
Please observe the following safety precautions to prevent damage to the battery and ensure user safety:
- The battery should be charged before initial use.
- Store the battery in a cool, dry place, away from water and fire.
- Always follow the charging method specified in the technical specifications.
- Do not separate, extrude, or collide the battery.
- Charge and discharge the battery monthly, even during periods of non-use, to maintain battery health.
- Do not cut off the shell or remove the battery's jacket tube.
- Do not attempt reverse charging. Ensure correct polarity when connecting the battery.
- Neardykite ir nemodifikuokite akumuliatoriaus be leidimo.

Image: Diagram illustrating the multiple protection features of the 48V 17.5Ah battery, including waterproof shell, cell holder, USB port, vibration protection, 1000 times cycle life, 30A BMS, overcharge protection, over discharge protection, short circuit protection, overcurrent protection, overvoltage protection, and temperature protection.
Sąranka ir diegimas
Follow these steps to install your Varstrom Rear Rack Ebike Battery and integrate it with your ebike conversion kit.
1. Rear Rack Installation:
The battery comes with a rear rack designed for easy assembly on 24", 26", and 28" wheels. Securely mount the rack to your bicycle frame according to standard bicycle rack installation procedures.

Image: A six-step visual guide demonstrating the installation of the ebike battery onto a rear rack, which is then mounted onto a bicycle. The steps show attaching the rack components, securing the battery to the rack, and finally mounting the assembly onto the bike's rear wheel area.
2. Battery Plate and Battery Installation:
- Attach the 6 PIN battery plate securely to the installed rear rack.
- Slide the battery onto the battery plate until it locks into place. Use the provided keys to secure the battery and deter theft.
3. Connecting to Ebike Conversion Kit:
The battery includes an XT60 extension cable for connecting to your ebike conversion kit (e.g., Bafang Mid Drive Kit or Hub Motor). Ensure the connector type is XT60 male for compatibility.

Image: A visual guide showing how to connect the battery's discharge wire to the ebike controller or motor. It illustrates stripping wires, connecting red to red and black to black, twisting them, and securing with electrical tape. It also highlights the XT60 connectors.
Easy Connection Without Tools (for XT60):
- Use scissors to cut a small section of rubber from the battery discharge wire and the connector line to expose the metal wire.
- Connect the red wire to the red wire, the black wire to the black wire, and twist the metal wires of the corresponding color together.
- Apvyniokite jungtį elektrine juosta.
- After connecting the connector line to the battery, the other end of the connector can be directly connected to the controller or the motor.
Note: If you need other kinds of connectors, please contact the seller before purchasing.
4. Universal Compatibility:
The battery is designed for broad compatibility. Ensure your hub motor or mid-drive kit uses an XT60 male connector for direct plug-and-play functionality.

Image: Demonstrates the universal compatibility of the ebike battery with different ebike setups. It shows the battery mounted on a bicycle, and then examples of its use with a hub motor kit, a Bafang mid-drive kit, and a general ebike, all requiring an XT60 male connector.
Installation Video for BAFANG Mid Drive Motor:
Video: A detailed installation guide for the BAFANG BBS Mid Drive Motor, demonstrating the process of converting a bicycle into an ebike. This video covers removing the crankset, installing the mid-drive motor, mounting the display, connecting cables, and installing the brake sensors. It highlights the ease of installation even on custom bikes.
Video: 24AWG Extension Cable with Julet Male/Female Connector
Video: This video demonstrates the use and connection of a 24AWG extension cable with Julet male/female connectors, which can be useful for extending wiring in ebike setups.
Naudojimo instrukcijos
1. Įjungimas / išjungimas:
- Ensure the battery is securely locked onto the rear rack.
- Press the power button on the battery or your ebike's display to turn the system on.
- Norėdami išjungti, paspauskite ir palaikykite maitinimo mygtuką.
2. LED Battery Power Indicator:
The integrated LED power indicator provides a visual representation of the remaining battery charge. Monitor this indicator to know when to recharge.

Paveikslėlis: Keturių panelių demonstracijaasing key features: a USB charge socket for external devices, a power switch with an anti-theft lock for battery security, internal craftsmanship of the battery cells, and an LED battery power indicator to check charge level.
3. Taillight Operation:
- Press the "I" button to turn the taillight on.
- Press the "O" button to turn the taillight off.
4. USB Port Usage:
The battery pack includes a USB port (5V 1.5-2A output) for charging mobile phones, Bluetooth speakers, and other electronic devices.

Image: Details of the ebike battery's external features: the taillight with 'I' and 'O' buttons for on/off, the USB port for 5V 1A output charging, the 6PIN battery connection, and the XLR charging port.
Priežiūra
1. Įkrovimas:
- Naudokite tik pateiktą įkroviklį.
- Connect the charger to the battery's XLR charging port and then to a standard 110-240V AC outlet.
- Pilnas įkrovimas trunka maždaug 6–7 valandas.
- Do not overcharge the battery. The BMS will protect against overcharging.
2. Sandėliavimas:
- Laikykite akumuliatorių vėsioje, sausoje vietoje.
- Venkite ekstremalių temperatūrų.
- If storing for an extended period, ensure the battery is charged to approximately 50-60% capacity and recharge monthly.
3. Valymas:
- Wipe the battery exterior with a soft, damp audinys.
- Nenaudokite stiprių chemikalų ar abrazyvinių valiklių.
- Ensure the charging port and USB port are clean and dry before use.
Trikčių šalinimas
If you encounter issues with your Varstrom Ebike Battery, consider the following common solutions:
- Akumuliatorius neįkraunamas:
- Check if the charger is properly connected to both the battery and the power outlet.
- Įsitikinkite, kad maitinimo lizdas veikia.
- Verify the charger's indicator light is on (if applicable).
- Ebike Not Powering On:
- Confirm the battery is fully charged and securely locked onto the rack.
- Check all cable connections between the battery, motor, and controller.
- Ensure the power button on the battery or display is pressed correctly.
- Sumažintas diapazonas / našumas:
- Prieš kiekvieną važiavimą įsitikinkite, kad akumuliatorius yra visiškai įkrautas.
- Check tire pressure and brake drag, as these can affect efficiency.
- Consider environmental factors like temperature and terrain.
For further assistance, please contact Varstrom customer support.
Garantija ir palaikymas
Varstrom products are designed for quality and reliability. For specific warranty details, please refer to the warranty card included with your product or visit the official Varstrom store page.
For technical support, troubleshooting, or inquiries about your product, please contact Varstrom customer service through the Varstrom Store on Amazon.
Additional Battery Videos:
Vaizdo įrašas: trumpas aprašymasview of a 48V Lithium Ebike Battery, showcasing its features and compatibility. This video highlights the battery's design and potential applications in various ebike setups.
Vaizdo įrašas: šiame vaizdo įraše pateikiama bendra informacijaview of the Varstrom E-bike Battery, demonstrating its appearance and some key functionalities. It serves as a visual introduction to the product.





