Description
46800 Lithium Iron Phosphate Cylindrical Battery Series (4-Pack) |
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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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This large-format lithium iron phosphate cylindrical cell requires controlled storage and handling to ensure safety and longevity. Proper environmental conditions and adherence to electrical limits are critical to prevent thermal runaway and capacity degradation.
- Storage Temperature: Store within the manufacturer-recommended temperature range to avoid accelerated aging or safety risks.
- Charge Voltage Limit: Do not exceed the specified maximum charge voltage to prevent overcharge-induced degradation.
- Current Rating Compliance: Operate within the specified charge and discharge current limits to prevent overheating and structural damage.
These steps ensure safe deployment of 46800 LFP cells for commercial and industrial applications. Proper handling minimizes risk of short circuits, thermal events, and mechanical damage.
Required Equipment: Insulated gloves, Compatible battery charger with current limiting, Voltage multimeter
- Inspect cell
Inspect the cell casing for dents, leaks, or terminal damage before any electrical connection. - Confirm polarity
Confirm correct polarity using a multimeter and connect the battery to the charger with proper orientation. - Set charging parameters
Set the charger to the constant-current constant-voltage profile recommended for LFP chemistry. - Monitor temperature
Monitor cell temperature during charging and stop if it exceeds the safe operating limit.
What is the trade-off between the AF46800LFP01 high-rate variant and the AF46800LFP03 high-capacity variant for a heavy-duty EV application requiring both peak power and sustained range?
The AF46800LFP01 delivers a 20C pulse discharge for ultra-high power demands like UPS systems or power tools, but its nominal capacity is only 12.8 Ah at 0.33C. In contrast, the AF46800LFP03 provides 17.6 Ah for greater sustained range, but its maximum discharge rate is limited to 3C. For a heavy-duty EV requiring both peak power and range, the AF46800LFP02 balanced variant offers a compromise with 14.0 Ah capacity and a 10C discharge rate.
Can the ATOMFAIR 46800 LFP cells be directly integrated into an existing 18650-based battery pack without modifying the battery management system?
Direct integration is not recommended due to significant form factor and electrical differences. The 46800 cells have a 46mm×80mm platform versus 18mm×65mm for 18650s, requiring mechanical redesign of the pack housing and busbars. Additionally, the BMS must be reconfigured to handle the higher per-cell capacity (up to 17.6 Ah) and lower internal resistance of the large-format cells to ensure proper state-of-charge estimation and cell balancing.
What are the mandatory safety and handling requirements for series connections above 48V using these LFP cells?
For series connections above 48V, active cell balancing is mandatory to prevent voltage drift over thousands of cycles. The maximum charge voltage per cell is 3.65V ±0.05V, and discharge must not go below 2.0V. The cells pass UL 1642 nail penetration, overcharge, and crush tests due to the olivine LiFePO4 cathode, but proper terminal protection caps and conductive foam packaging are required during handling to prevent short circuits.
The ATOMFAIR 46800 LFP cylindrical cell series offers three power-tuned variants with >3000 cycle life and intrinsic olivine safety, but requires strict voltage compliance and active balancing for high-voltage series strings.
Positive
- Large-Format 46800 Platform: The 46mm×80mm cylindrical form factor provides higher volumetric efficiency than 18650/21700 cells, reducing pack assembly complexity for high-power commercial EV and stationary storage deployments.
- Intrinsic Olivine Safety: The olivine LiFePO4 cathode eliminates thermal runaway, passing nail penetration, overcharge, and crush tests per UL 1642, enabling safe operation in demanding environments.
Trade-offs
- Strict Voltage Window Requirements: Cells must be operated within 2.0V to 3.65V (max charge 3.65V ±0.05V). Exceeding these limits can cause irreversible capacity loss or safety issues, requiring precise BMS control.
- Active Balancing for High-Voltage Strings: For series connections above 48V, active cell balancing is mandatory to prevent voltage drift over thousands of cycles, adding system cost and complexity.
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). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
