Qulbix Li-ion Battery Extravaganza – 84V 78Ah 5.6kWh 400A

When it comes to high-performance electric motorcycles and heavy-duty e-motos, power delivery, thermal management, and cell reliability are everything. Enter the flagship Qulbix 72V 78Ah High-Performance Lithium-Ion Battery Pack—built to push the absolute limits of custom e-moto builds, aggressive trail riding, and high-output 25kW controller setups.

At the moment, this stands as one of the top 21700 li-ion power solutions available on the market, combining cutting-edge cell technology with an elite smart battery management system.

At the core of this powerhouse pack are premium Tenpower INR21700-60XG 6000mAh cells. Assembled in a robust 20S13P configuration, the pack delivers a massive 78Ah of capacity and 5.61 kWh of total energy (operating at a nominal 72V, reaching 84V fully charged, with a 60V cut-off).

Engineered with precision and care, every connection features maximum cross-section spot-welded tabs between cell series, paired with heavy-duty 6AWG silicone power cables to guarantee ultra-low resistance and maximum current flow under heavy loads.

Key Performance Specs at a Glance:

• Cell Type: Tenpower INR21700-60XG (6000mAh)

• Configuration: 20S13P

• Nominal Voltage / Energy: 72V / 78Ah / 5.61 kWh (84V Max / 60V Cut-off)

• Continuous Discharge: 200A

• Peak Discharge: 400A

• Dimensions & Weight: 300 x 155 x 255 mm | 21.8 kg

A battery of this caliber requires equally advanced protection and monitoring. That is why this pack integrates the state-of-the-art JK-BD6A24S20P Smart Active Balancer BMS.

Unlike passive systems that burn off excess energy as heat, this advanced BMS features 0.6A active balancing technology, continuously transferring energy between cells during operation. This ensures absolute cell voltage consistency (within +/-3 mV accuracy), maximizes usable capacity, reduces cell aging, and dramatically extends the overall lifespan of the battery pack.

Smart BMS Highlights:

• High-Current Handling: Supports 200A continuous discharge and a massive 400A peak discharge, perfectly matched for up to 25kW controllers.

• High Charge & Regen Rates: Handles up to 100A standard charge current and up to 200A peak regenerative braking charge current for efficient energy recovery during deceleration.

• Thermal Safety: Dual internal temperature sensors monitor thermal conditions closely during aggressive charging and discharging cycles.

• Bluetooth Connectivity & Mobile App: Monitor real-time cell voltages, state of charge (SOC), temperatures, and operating statuses instantly via companion apps for iOS and Android. Fully customize protection thresholds to fit your specific build requirements.

Designed to fit seamlessly into high-end Qulbix platforms, this battery pack is fully compatible with:

• Q140MD Moto & Bicycle Seat Frame kits (2025-)

• Q155 Moto & Bicycle Seat Frame kits for Hub motors (2025-)

(Note: For optimal installation with Q155 and Q140MD frames, we recommend using the Q155/Q140MD 2025 Battery Installation Kit).

What’s Included in the Box:

• 1x Qulbix 72V 78Ah High-Performance Battery Pack

• Amass XT60 charge plug set

• Amass XT150 connector set (red and black)

• 6AWG Silicone Power Wire

• Recommended Charger: Li-ion Battery Charger, 72V 20A

See Qulbix in Action

Want to see how these engineering masterpieces come to life or how our rapid systems work? Check out the links below:

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