Battery BMZ K2 Battery Panasonic GEN2 820 Wh / 22,3 Ah / 36V

BMZ K2 Battery Panasonic GEN2 820 Wh / 22.3 Ah / 36V - high performance, long life and maximum reliability

TheBMZ Downtube K1 is a high-quality integrated lithium-ion battery from the German manufacturer BMZ GmbH. This model with the code 624038 has a capacity of 720 Wh (20 Ah / 36 V) and is designed for electric bikes with Panasonic drive system.

The battery is commonly used in Kellys Theos R series (MY23 and newer) and other brands with Panasonic motor and Downtube K1 platform.

Compatible for Kellys electric bikes with Panasonic motors:

MY2026: THEOS RS50, THEOS RS30, THEOS RSX70, THEOS RSE70, TYGON/TAYEN RS90, RS50

Key features

• Configuration: 10s4p (10 cells in series, 4 in parallel)
• Voltage: 36 V nominal
• Capacity: 20 Ah
• Energy: 720 Wh (often quoted as 725 Wh)
• Type: Removable downtube (K1 generation)
• Panasonic system (original connector and lock)
• Charge indicator: 5 LEDs + button directly on the battery
• Weight: approx. 3.7-3.9 kg
• Waterproof: High resistance to splash water and dust

Main advantages

• Good capacity and range - realistically 90-150 km per charge depending on terrain, rider weight and assist mode
• Perfect integration into a low centre of gravity frame
• Quick and easy removal thanks to high quality lock
• Reliable BMS with protection against overcharging, deep discharge, overheating and short circuit
• Long service life thanks to high quality lithium-ion cells

Important note: The battery is designed exclusively for compatible Panasonic systems. Use only original or approved BMZ/Panasonic chargers. Please observe the temperature range for charging (0-45 °C) and storage.

BMZ GmbH (Germany)
Product code: 624038
Model: BMZ Downtube K1 Panasonic 720 Wh

This battery is ideal as a replacement for a worn out original battery or as an upgrade for increased range over older smaller capacity batteries.

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

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