Description

This 21700 20S 13P li-ion cell 72V 52 Ah battery pack with 3744 Ah and 350A constant discharge is ideal for 25kW controller setups. It comes with the fully programmable, dynamic BMS with 0,6A balancing current and ON/OFF button. Maximum charging current is 78A (regen) and standard charging current is 26A (charger).

The BMS will anyways keep your batter pack well balanced. It has two temperature measuring points as additional safety feature during charging and discharging. The BMS is very reliable, with lots of set-up options via Android or iOS app. Robust and compact design. See detailed specs under the ‘Additional information’ tab.

Cell type: Tenpower INR21700-40TG 4000mAh – 35A

Production time may vary depending on cell stock. If you’re in a hurry, reach out to us for the latest lead times!

See how the Qulbix batteries are made:

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VIDEO

See how the Qulbix QRBS works (quick battery swap):

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VIDEO

Compatible with:

• Q140MD Moto Seat Frame kit
• Q140MD Bicycle Seat Frame kit
• Q155 Moto Seat Frame kit for Hub motors
• Q155 Bicycle Seat Frame kit for Hub motors

With Q155/Q140MD frames we recommend:

• Q155/Q140MD 2025 Battery Installation Kit

Battery includes:

• Amass XT60 charge plug set
• Amass XT150 connector set (red and black)
• 6 Awg Silicone Wire

Compatible chargers:

• Li-ion Battery Charger, 72V 20A

Dimensions: 300 x 152 x 255 mm (L x W x H). Weight: 19,9 kg.

Additional information