Description
72V 33.3Ah ELECTRIC MOTORCYCLE POWER SUPPLY | ATOMFAIRCOMMERCIAL GRADE · PRODUCTION
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Charge only within 0°C to 45°C and discharge within -20°C to 60°C to prevent thermal degradation. Avoid exceeding 1C charge current and ensure state of charge is at least 30% before applying 8C peak discharge to mitigate capacity fade.
- Charge Temperature Constraint: Charge the battery exclusively within 0°C to 45°C to prevent lithium plating and internal damage.
- Discharge Temperature Constraint: Discharge the battery only within -20°C to 60°C to maintain electrochemical stability and avoid thermal runaway.
- Charge Current Limit: Do not exceed a 1C charge current to avoid overcurrent-induced heating and accelerated aging.
- Peak Discharge SOC Requirement: Ensure state of charge is at least 30% before applying the 8C peak discharge burst to prevent voltage collapse and cell damage.
- Ingress Protection Limitation: The IP67 rating applies only under specified test conditions and does not guarantee protection against all immersion scenarios.
Inspect the battery pack for physical damage before first use and verify that the ambient temperature is within the specified charging range. Connect the battery to a compatible charger rated for 72V nominal systems and initiate charging at a controlled rate between 0.5C and 1C.
Required Equipment: Compatible 72V lithium battery charger with CC/CV profile, Multimeter or battery management system interface for voltage verification, Personal protective equipment (insulated gloves, safety goggles)
- Inspect the battery pack
Inspect the battery enclosure for cracks, dents, or swelling before handling or connecting to any load. - Verify ambient temperature
Confirm that the ambient temperature is between 0°C and 45°C before initiating the charging process. - Connect the charger
Connect the charger output to the battery's main power connector, ensuring polarity matches the system design. - Set charge current
Set the charger to deliver a constant current between 0.5C and 1C of the rated capacity to avoid overcurrent stress. - Monitor charge termination
Monitor the battery voltage and terminate charging when the voltage reaches the specified cut-off limit for the selected chemistry. - Verify state of charge before discharge
Verify that the battery state of charge is at least 30% before applying any high-rate discharge above 2C. - Secure the battery in the vehicle
Secure the battery pack in the designated motorcycle compartment using the provided vibration-dampening mounts.
Should I choose LFP or NCM chemistry for my electric motorcycle application with this 72V 33.3Ah battery pack?
The choice depends on your priority. LFP offers longer cycle life (≥2000 cycles at 1C) and better thermal stability, while NCM provides higher energy density. Both configurations deliver the same 33.3Ah capacity and 2.40kWh energy, but have different charge/discharge voltage limits: LFP charges to 80.3V and discharges to 55.0V, whereas NCM charges to 79.8V and discharges to 52.25V.
Can this 72V battery pack be charged with standard off-the-shelf 72V lithium chargers?
The battery requires a charger that supports a controlled 0.5C to 1C charge rate current input, with charge cut-off voltages of either 80.3V (LFP) or 79.8V (NCM). Standard 72V chargers may not have the correct CC/CV profile or voltage cutoff; you must ensure the charger matches the specific chemistry's cut-off voltage to avoid overcharging.
What are the critical storage and operational safety requirements for this high-drain e-motorcycle battery pack?
For safe operation, charge only between 0°C to 45°C and discharge between -20°C to 60°C. Never exceed a 1C charge current. When using peak 8C discharge (10s burst), ensure state of charge (SOC) is at least 30%. The IP67 rating applies under specified conditions and the battery includes an explosion-proof valve and UL94 V-0 flame retardant shield.
This 72V 33.3Ah battery pack delivers dual-chemistry flexibility (LFP/NCM) with 2C continuous and 8C burst discharge for e-motorcycle acceleration, constrained by a 1C maximum charge rate and 30% SOC requirement for peak output.
Positive
- Dual chemistry operational flexibility: LFP option delivers longer cycle life and thermal stability; NCM option provides higher energy density—both support identical 2C continuous and 8C peak discharge profiles.
- High peak discharge capability: 8C burst (10s maximum) enables instant acceleration and hill climbing, critical for demanding e-motorcycle and light EV applications.
Trade-offs
- Restricted charge current: Maximum charge rate limited to 1C, and charging is only permitted within 0°C to 45°C, reducing fast-charge flexibility and ambient charging windows.
- SOC-dependent burst performance: Peak 8C discharge (10s) requires SOC ≥30%, meaning the acceleration burst is unavailable when the battery is moderately depleted.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
