Description
46800 Lithium Iron Phosphate Cylindrical Battery Series (4-Pack) |
|||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
|
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
|||||||||||||||||||||||||||||||||||||||
Store cells at 15–25°C in a dry, non-conductive environment with terminal protection caps installed to prevent short circuits. Do not discharge below 2.0 V or charge above 3.65 V; active cell balancing is mandatory for series connections exceeding 48 V to avoid voltage drift.
- Voltage Limits: Never exceed 3.65 V charge voltage or discharge below 2.0 V to prevent irreversible capacity loss or internal damage.
- Series Balancing: Active cell balancing is required for any series string above 48 V to maintain uniform state-of-charge across thousands of cycles.
- Short-Circuit Prevention: Always keep terminal protection caps installed and use insulated tools when handling cells to prevent accidental short circuits.
- Storage Environment: Store cells in a cool, dry location away from metallic debris and conductive surfaces to minimize self-discharge and corrosion risk.
- Thermal Runaway Safety: Although the olivine cathode eliminates thermal runaway, avoid exposing cells to open flame or temperatures above 60°C to preserve performance.
Follow these steps to safely initialize and deploy the 46800 LFP cells for pack integration. Proper handling prevents electrical hazards and ensures long cycle life.
Required Equipment: Insulated gloves and safety goggles, Digital multimeter with voltage measurement, Active cell balancer (for series strings above 48 V), Non-conductive work surface and terminal protection caps
- Verify Initial Voltage
Measure each cell's open-circuit voltage with a multimeter to confirm it is between 3.0 V and 3.65 V before assembly. - Inspect for Physical Damage
Examine the cell casing for dents, swelling, or electrolyte leakage; discard any damaged cells immediately. - Install Terminal Protection
Affix the provided terminal protection caps onto both positive and negative terminals to prevent accidental shorting during handling. - Connect Cells in Series with Balancing
For systems above 48 V, connect cells in series using a certified active balancer and verify individual voltages remain within 50 mV after charging. - Charge to Operational Voltage
Apply a constant current constant voltage (CC-CV) charge at the specified C-rate until voltage reaches 3.65 V per cell, then hold until current drops to ≤0.05C.
What are the key performance trade-offs between the high-rate AF46800LFP01 and high-capacity AF46800LFP03 variants in the 46800 LFP series?
The AF46800LFP01 offers a 20C pulse discharge rate for ultra-high-power applications like UPS and power tools, but has a lower nominal capacity of 12.8 Ah. The AF46800LFP03 provides a higher capacity of 17.6 Ah for cost-optimized stationary storage, but its discharge rate is limited to 3C. Both variants guarantee >3000 cycles to 70% capacity at 1C/1C and share the same 3.2V nominal voltage.
What voltage limits and balancing requirements must be observed when connecting 46800 LFP cells in series for high-voltage battery packs?
The maximum charge voltage per cell is 3.65V ±0.05V, and discharge must not go below 2.0V. For series connections above 48V, active cell balancing is mandatory to prevent voltage drift over thousands of cycles. These constraints are critical for maintaining safety and cycle life in applications like heavy-duty EVs and grid storage.
What safety certifications and storage conditions apply to the 46800 LFP cells to ensure long-term reliability?
The cells pass nail penetration, overcharge, and crush tests per UL 1642, confirming intrinsic olivine safety. They have a low self-discharge of <3% monthly at 25°C, enabling long-term storage without frequent maintenance charging, and a calendar life exceeding 15 years at 25°C. Packaging includes terminal protection caps and conductive foam inserts for safe transport.
Evaluation of the ATOMFAIR 46800 LFP series (4-pack) as a large-format cylindrical cell with three capacity/rate variants offering >3000 cycle life and olivine safety, but requiring strict voltage limits and active balancing for high-voltage series configurations.
Positive
- Three power tiers for application flexibility: The series offers three variants optimized for high-rate (20C pulse), balanced (10C), and high-capacity (17.6Ah) applications, enabling efficient deployment across EVs, grid storage, and UPS without redesigning the pack architecture.
- Intrinsic safety with olivine LiFePO4: The LiFePO4 cathode eliminates thermal runaway and passes nail penetration, overcharge, and crush tests per UL 1642, ensuring absolute safety in demanding industrial and grid environments.
Trade-offs
- Strict voltage window limits: Maximum charge voltage is 3.65V ±0.05V, and discharge must not go below 2.0V; exceeding these limits reduces cycle life or triggers safety risks, requiring precise BMS management.
- Active balancing required above 48V: For series connections above 48V, active cell balancing is mandatory to prevent voltage drift over thousands of cycles, adding system complexity and cost for high-voltage battery packs.
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).
