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SMART BT Duotts 48V 17Ah LG M58T Battery – Electric Bicycle Battery for C29 / M29 / C26 / M26 + 3A Fast Charger (Premium)

SMART BT Duotts 48V 17Ah LG M58T Battery – Electric Bicycle Battery for C29 / M29 / C26 / M26 + 3A Fast Charger (Premium)

1.999,00 zł
1.999,00 zł 1.999,00 zł
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Technical Specification

Parameter Value
Nominal Voltage 48V (46.8V)
Actual Pack Capacity approx. 17Ah
Stored Energy approx. 816Wh
Cell Model LG INR21700-M58T (Modern Li-Ion 21700 chemistry)
Electronics / Protections Smart BMS JiaBaiDa Bluetooth
Temperature Control YES (independent for cells and BMS system)
Charger Parameters Included 54.6V 3A (Fast Charging)
Charging Port Reinforced DC 5.5x2.1 socket
Manufacturing / Technology 100% Polish production (DC Premium welding)
Bicycle Compatibility Duotts M29 / C29 / M26 / C26

What's included in the set (Package contents)

  • 1x 48V 17Ah battery in a factory casing compatible with Duotts bicycles.

  • 1x Dedicated fast 3A charger reducing charging time compared to the original.

  • 1x Integrated Smart BMS JiaBaiDa Bluetooth system (inside the battery).

  • Built-in, reinforced DC 5.5x2.1 charging socket with increased durability.

  • Set of keys for casing security.


Maximum range and factory fit for the demanding user. Increase the capabilities of your e-bike with a professional 17Ah battery, dedicated to Duotts electric bicycles (models M29, C29, M26, C26). The pack is built using high-capacity Premium cells – LG INR21700-M58T. This modern solution allows you to extract the maximum possible capacity and uncompromising range, while maintaining 100% original, factory Duotts casing dimensions.

This is an ideal choice for people who cover long distances daily, couriers, and professionals working in food delivery, where time is money, and every watt-hour determines profit.

Faster charging with a 3A charger included. The battery comes with an efficient 3A charger. It is significantly faster than standard, factory chargers supplied by the bicycle manufacturer. Thanks to the higher current, you drastically reduce the time needed for a full charge of the cells, allowing for a quick return to the road and longer work without unnecessary downtime.

Smart energy management: Smart BMS JiaBaiDa (Bluetooth). The battery is equipped with advanced control electronics Smart BMS by JiaBaiDa with a Bluetooth module and dual temperature control (cells and system). Through a dedicated smartphone application, you can monitor key operating parameters, charge level, temperature, and the condition of individual cell sections in real-time.

Uncompromising quality – 100% Polish production. The battery is entirely produced in Poland, adhering to the highest technological standards. The process is based on professional welding with high-power DC welders, using multi-point connections (3 pairs / 6 welding points) and additional insulators between cells. This guarantees the highest performance under load, minimal voltage drops, and resistance to shocks during off-road riding.

⚠️ WARNING – Check compatibility before purchase! Duotts bikes use several different types of batteries. Before ordering, make sure that:

  • The shape of your current battery casing is identical.

  • The switch and charge indicator are in the same location.

  • The pin mounting on the base side and the contact arrangement on the mounting rail are 100% compatible with your battery.

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