Description
8540140-15 High-Capacity Lithium-ion Battery Cell (15Ah) | ATOMFAIR
Product Overview
The 8540140-15 is a high-performance lithium-ion power cell featuring a substantial 15Ah capacity and stable energy delivery. Engineered for reliability, this cell meets rigorous safety standards, making it an ideal energy source for electric mobility, high-performance energy storage systems, and advanced scientific research applications. It operates on a stable lithium-ion chemistry platform, optimized for both continuous high-rate discharge and long-term shelf stability. For bulk inquiries or official volume quotations, please contact us via email at inquiry@atomfair.com.
Technical Specifications
| Parameter | Specification | Conditions / Remarks |
|---|---|---|
| Cell Model | 8540140-15 | / |
| Nominal Capacity | >= 15Ah | 0.5C, 25C, Fresh cell |
| Nominal Voltage | 3.8V | 0.2C, 25C |
| Work Voltage Range | 3.0V – 4.3V | / |
| Cell Dimensions | 8.5 x 40 x 140 mm | Thickness x Width x Length |
| Cell Weight | 120 +/- 3g | / |
| Max. Cont. Discharge Current | 2C (30A) | -20 to 45C |
| Max. Pulse Discharge Current | 5C (75A) | 10s @ 50% SOC |
| Cell Impedance (1kHz) | < 5 mOhm | 70% SOC, Fresh cell |
| Operating Temp (Discharge) | -20C to 45C | Charge: 10C to 45C |
Core Features & Advantages
High Capacity Density
Delivers a nominal capacity of 15Ah with a discharge energy of >= 52.06Wh at 0.2C, ensuring extended operation for high-demand systems.
Exceptional Power Delivery
Supports a maximum continuous discharge of 2C (30A) and pulse discharge up to 5C (75A) for robust instantaneous power response.
Advanced Safety Design
Rigorous compliance with safety tests including over-discharge, external short circuit, low pressure, and fall tests with no fire or explosion risks.
Slim Form Factor
The ultra-thin 8.5mm profile combined with high capacity offers exceptional space efficiency for custom battery pack integration.
Application Scope
- Electric Vehicles (EV/HEV)
- Electric Bicycles & Scooters
- Portable High-Power Equipment
- High-Energy-Density Power System R&D
- Unmanned Aerial Vehicles (UAVs)
- Renewable Energy Storage Prototypes
Accessories & Customization
Customization Services: We provide engineering support for custom PCM/BMS integration, nickel tab configurations, and series/parallel pack assembly.
Technical Note: For optimal performance, use a dedicated lithium-ion charger with CC/CV mode. Please contact us for detailed CAD drawings and step-by-step assembly guidelines for research purposes.
This lithium-ion cell must be charged between 10°C and 45°C and discharged between -20°C and 45°C to prevent performance degradation or safety hazards. It is certified to pass over-discharge, short-circuit, low-pressure, and drop tests without fire or explosion, but requires a dedicated CC/CV charger and integration with a protection circuit module for safe operation.
- Operating Temperature Constraints: Charge the cell between 10°C and 45°C and discharge between -20°C and 45°C to avoid thermal stress and maintain safety.
- Charging Equipment Requirement: A dedicated lithium-ion charger with constant-current/constant-voltage (CC/CV) mode must be used to prevent overcharging or undervoltage damage.
- Safety Test Compliance: The cell is certified to withstand over-discharge, external short circuit, low pressure, and drop environments without fire or explosion under the tested conditions.
- Protection Circuit Integration: A protection circuit module (PCM) or battery management system (BMS) is required for any custom pack assembly to ensure safe operation.
- Assembly Documentation Requirement: Contact the manufacturer for detailed CAD drawings and step-by-step assembly guidelines before integrating the cell into a system.
Follow these steps to safely prepare and charge the cell for first use. Always adhere to the specified temperature ranges and use the correct charger to maintain compliance with safety certifications.
Required Equipment: Dedicated CC/CV lithium-ion charger
- Inspect Cell
Inspect the cell for physical damage, swelling, or leakage before any handling or charging activity. - Verify Environmental Temperature
Confirm that the ambient temperature is between 10°C and 45°C to meet charging constraints. - Connect Charger
Connect the dedicated CC/CV charger to the cell terminals, ensuring correct polarity and secure contact. - Charge Cell
Allow the cell to charge until the charger terminates at the full voltage of 4.3V or signals completion. - Disconnect and Rest
Disconnect the charger and allow the cell to rest at room temperature for at least one hour before testing or integration.
What is the trade-off between continuous discharge current and pulse discharge capability for the 8540140-15 cell?
The continuous maximum discharge current is 2C (30A) across the full operating temperature range of -20°C to 45°C. Pulse discharge reaches 5C (75A) but is limited to a 10-second duration at 50% state-of-charge, reflecting a deliberate trade-off between sustained power output and peak current handling.
What integration constraints must be considered when assembling this 8.5 mm thin prismatic cell into a battery pack?
Due to the slim 8.5×40×140 mm form factor, the cell requires a custom PCM/BMS for overcharge and overdischarge protection, as well as nickel tab configurations for reliable series or parallel connections. The source specifies that a dedicated lithium-ion charger operating in CC/CV mode is mandatory, and CAD drawings and assembly guidelines are available from the manufacturer for proper mechanical and electrical integration.
What are the safe handling and storage temperature requirements for this lithium-ion cell?
While the product description does not explicitly state storage temperature, the discharge operating range is -20°C to 45°C and the charge range is 10°C to 45°C. The cell has passed safety tests including over-discharge, external short circuit, low pressure, and fall tests with no fire or explosion risk, confirming robust handling safety under normal laboratory conditions.
The 8540140-15 lithium-ion cell delivers 15Ah capacity and 3.8V nominal with high power capability (30A continuous, 75A pulse) in a compact 8.5mm profile, but requires precise charging within 10–45°C and a dedicated CC/CV charger.
Positive
- High capacity density in slim form: Nominal 15 Ah capacity with 52.06 Wh discharge energy at 0.2C, packaged in an 8.5 mm profile for space-constrained integration.
- Robust power delivery capability: Supports 30 A continuous discharge (2C) and 75 A pulse discharge (5C for 10 s at 50% SOC), enabling high-load and transient power demands.
Trade-offs
- Narrow charging temperature window: Charge operation is limited to 10–45°C, requiring thermal management to avoid performance degradation or safety risks during charging.
- Requires dedicated CC/CV charger: Optimal performance and safety depend on a constant-current/constant-voltage lithium-ion charger, adding infrastructure prerequisites for lab deployment.
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).
