Engineered for high-demand AED environments, HIMAX delivers the reliability your clinical teams demand.
🔬 Electrochemical & Physical Architecture
At the heart of the HIMAX medical series is a high-rate 4S2P cell configuration, specifically tuned for the transient power spikes required by automated external defibrillators. A common failure point in medical monitoring is voltage sag during intensive clinical tasks. By utilizing medical-grade 18650 cells housed within a UL94-V0 flame-retardant enclosure, we mitigate thermal runaway risks and ensure continuous, stable power delivery. Our architecture ensures that even during rapid charging cycles for defibrillation, the electrochemical stress is managed through the sophisticated TI BQ40Z50-series BMS, preventing capacity degradation and maintaining cell balance over thousands of cycles.
⚙️ Application Integration & Customization Logic
Field deployment demands more than just energy density; it requires hardware compatibility and predictive diagnostics. HIMAX engineers designed the 7-Pin SMBus interface to communicate directly with your host device’s rail logic. Whether it is matching vibration-resistant mounting requirements or adjusting NTC thermal cutoff thresholds for extreme-duty cycles, our tailoring capabilities are extensive. We work with your engineering team to align the hardware logic, ensuring the “System Present” pin accurately signals the device, effectively eliminating false error reporting that plagues field clinicians.
Specifications
HIMAX 14.8V 5200mAh 14500 Li-ion Battery Pack
Battery Type / Chemistry
Li-ion
Cell Configuration / Model
4S2P (High-rate )
Nominal Voltage
14.8V
Fully Charged Voltage
16.8V
Discharge Cut-off
12.0V
Nominal Capacity
5200mAh
Total Rated Energy
76.96Wh
Internal Resistance
< 120mΩ
Standard Charge Current
0.5C (2.6A)
Max Charging Current
1.0C (5.2A)
Max Continuous Discharge
10A
Peak Pulse Discharge
20A (Duration: 3s)
Operating Temp - Discharge
-20°C to +60°C
Operating Temp - Charge
0°C to +45°C
Cycle Life
>500 cycles @ 80% DOD
Physical Dimensions
43.0mm(T) x 78.0mm(W) x 152.0mm(L)
Approximate Weight
~460g
Outer Shell
UL94-V0 ABS+PC
Connector Interface
7-Pin Embedded Gold-plated
Protection Functions
OVP, UVP, OCP, OTP, Short-circuit
Frequently Asked Questions
The following section addresses critical engineering queries regarding the integration and performance of HIMAX battery solutions. Our design methodology adheres to global safety and interoperability standards to ensure seamless field operation.
How does the cell-level protection ensure safety during high-energy defibrillation?
Our BMS uses TI-grade cell balancing and secondary hardware protection to prevent thermal runaway, satisfying strict IEC safety baselines.
Will the battery voltage drop significantly during high-current pulse demands?
The 4S2P configuration and low-IR medical cells are optimized to minimize voltage drop, ensuring consistent output during defibrillation cycles.
How does the SMBus interface help extend the battery service life?
Real-time SOH data allows the device to manage charge algorithms intelligently, preventing over-stressing the chemistry and maintaining longevity.
Can the mechanical form factor be adjusted for specific medical device enclosures?
Yes, HIMAX provides flexible customization for housing dimensions and connector positioning to fit your specific OEM hardware requirements.
What happens if the communication link with the host system is interrupted?
The BMS is designed with a “Fail-Safe” mode, allowing the battery to maintain discharge readiness even if SMBus communication is temporarily lost.
