Battery BMZ Downtube K1 10s4p 720 Wh / 20 Ah / 36V Shimano BMZ K1 for Shimano

BMZ Downtube K1 10s4p 720 Wh / 20 Ah / 36V Shimano BMZ K1 for Shimano - maximum performance for demanding e-MTBs

TheBMZ Downtube K1 is a high quality integrated (downtube) lithium-ion battery from the German manufacturer BMZ GmbH. This model with the designation 608712 has a capacity of 20 Ah and an energy of 720-725 Wh (36 V). It is designed primarily for electric bikes with Shimano drive system (compatible with Shimano Steps, including older and current generations).

Compatible for Kellys e-bikes with Shimano motors:

MY21, MY22:
Theos F90, F70, F50, F60

Key Features

• Configuration: 10s4p (10 cells in series, 4 in parallel)
• Voltage: 36 V nominal
• Capacity: 20 Ah
• Energy: 720-725 Wh
• Weight: approx. 3.7-3.8 kg
• Type: Removable downtube (K1 generation)
• Compatibility: Shimano Steps system (original connector and lock)
• Charge status display: 5 LED indicators + button directly on the battery
• Waterproof: high splash resistance (suitable for normal field use)

Benefits

• Long range - ideal for longer routes and more challenging terrain
• Quick and easy removal thanks to high quality lock
• Reliable BMS (Battery Management System) for cell protection
• Long life with proper use and storage (50-60% charge recommended for long term storage)
• Genuine spare part - full compatibility with Shimano controller and motor

Important note: The battery is designed for compatible Shimano systems only. Use only original or approved BMZ/Shimano chargers. Observe the temperature ranges for charging (0-45°C) and operation.

Designing and manufacturing e-bikes is not just about putting mechanical components together. It's more than that. The purpose for which an e-bike is created is important, because it has a unique purpose in each person's life. This mission gives every KELLYS e-bike its reason for being. Thanks to modern technology, skilled designers and the best materials, the Kellys brand has some of the highest quality e-bikes.

We are specialists in KELLYS electric bikes. We offer full suspension and fixed mountain bikes, touring bikes, men's and women's electric bikes with an excellent price / performance ratio.

Contact: KELLYS BICYCLES CZECH REPUBLIC s.r.o., Havlickova 426, 753 01, Hranice, Czech republic, e-mail: infocz@kellysbike.com, phone: +420 581 698 810, web: https://kellysbike.com

E-bikes Kellys