100% Air Freight Exempt: Fully immune to strict UN38.3 lithium-ion shipping regulations, securing a seamless and cost-effective global medical supply chain.
Triple-Layer Fail-Safe Protection: Engineered with a built-in 10k NTC, 7A PTC, and an 85°C thermal fuse to deliver definitive hardware-level risk mitigation in clinical environments.
High-Peak Pulse Delivery: Capable of sustaining up to 8000mA (4.0C) peak pulse discharge, ensuring rock-solid stability for multi-channel electrostimulation outputs.
Inherent Chemical Safety. Unrestricted Global Logistics.
Power your clinical rehabilitation devices with an inherently stable 9.6V NiMH solution that bypasses restrictive lithium air freight regulations entirely.
✦ Decoding Clinical Safety: Why We Choose Low-Self-Discharge NiMH Chemistry
In the design of modern tabletop and clinical Functional Electrical Stimulation (FES) devices, asset safety and regulatory peace of mind trump all else. While lithium-ion systems are frequently plagued by stringent thermal runaway risks and complex aviation compliance delays, our technical engineering team at HIMAX purposely developed this 9.6V 2000mAh medical-grade battery pack using an eco-friendly, low-self-discharge (LSD) NiMH AA chemistry. Built inside an ISO9001 certified manufacturing facility, this 8S1P linear, single-row cell configuration completely eliminates heavy metal toxicities and the catastrophic risk of fire or explosion. To withstand the physical rigors of daily clinical relocation and equipment vibration, the cells are cross-linked using high-strength pure nickel strips via precision industrial multi-point spot welding. Wrapped in a heavy-duty, high-temperature flame-retardant PVC shrink enclosure combined with rigid internal barley paper insulation, this setup offers an unyielding mechanical foundation tailored for complex rehabilitation environments.
✦ Intelligent Hardware-Level Control and Zero-Friction B2B Deployment
As battery architecture experts, we recognize that reducing system software complexity accelerates your device’s time-to-market. That is why this pack operates flawlessly without complex, error-prone digital SMBus protocols. Instead, it features a highly reliable, hardware-driven control interface delivered through a secure Molex 5557 or standard JST 4-wire termination—comprising positive, negative, and dual-channel 10k NTC thermistors. This integrated thermal array works in perfect harmony with clinical chargers using precise -ΔV(5mV/cell) and dT/dt charging cutoff logic to prevent overcharging. To guarantee deep fail-safe redundancy even under primary charger failure, the internal architecture integrates a 7A resettable PTC fuse and a backup 85°C non-resettable thermal fuse. Fully standardized and passing rigorous laboratory verification, this battery pack is certified to meet IEC 62133-1, CE, RoHS, and REACH criteria. Most importantly, it is fully exempt from UN38.3 air cargo control restrictions, allowing your global distribution network to operate seamlessly. Explore our endless customization capabilities or initiate a technical review with our team at HIMAX Electronics.
Specifications
9.6V 2000mAh AA NIMH Battery Pack
Nominal Voltage
9.6V
Rated Capacity
2000mAh / 19.2Wh
Battery Chemistry
Low Self-Discharge (LSD) NiMH (Eco-friendly system; zero heavy metals, zero explosion risk.)
Cell Model & Size
Medical-Grade AA Cylindrical
Configuration Method
8S1P (8 Cells in Series)
Maximum Charging Voltage
~11.2V to 11.6V
Discharge Cut-off Voltage
8.0V
Standard Charging Current
200mA (0.1C)
Fast Charging Current
1000mA (0.5C)
Charge Termination Logic
-ΔV = 5mV/cell paired with dT/dt
Max Continuous Discharge
4000mA (2.0C)
Max Peak Discharge Current
8000mA (4.0C)
Internal Safety Hardware
10k NTC + 7A PTC + 85°C Thermal Fuse
Overcurrent Protection Threshold
7.0A Resettable PTC Fuse
Secondary Thermal Cut-off
85°C Non-Resettable Fuse
Outer Enclosure Material
High-Temperature Flame-Retardant PVC
Internal Insulation Barrier
High-density barley paper + rigid spacers
Output Connector Housing
Output Connector Housing
Lead Wire Configuration
UL1007 22AWG (or customized) x 4 Wires
Logistics Freight Compliance
Fully Exempt from UN38.3 Control Restrictions
Frequently Asked Questions
Navigating the strict intersection of medical device compliance, long-term battery reliability, and global logistics can present unique engineering hurdles for procurement and design teams. Below, the HIMAX technical engineering group addresses the most vital integration, safety, and performance questions regarding our 9.6V NiMH FES device battery pack.
Why should our engineering team select a NiMH battery pack over Lithium-ion for a clinical tabletop FES stimulator?
The primary drivers are unconditional safety and logistics freedom. Clinical rehabilitation devices are in direct contact with patients during intensive therapy sessions, making the catastrophic risk of lithium thermal runaway unacceptable. Furthermore, lithium batteries trigger strict UN38.3 transport audits and steep air cargo freight surcharges. Our medical-grade NiMH chemistry is inherently non-explosive and completely exempt from UN38.3 air cargo restrictions, allowing you to ship finished medical devices globally without logistical friction.
How does the pack achieve highly precise charge termination without utilizing a digital communication protocol?
To bypass system software clutter and lower manufacturing costs, this pack leverages an ultra-reliable hardware-based monitoring method. By incorporating dual-channel 10k NTC thermistors via a robust 4-pin Molex 5557 or standard JST connector, your device’s charging base can accurately analyze battery status using the industry-proven -ΔV (5mV/cell) voltage drop drop method combined with the dT/dt(temperature rise slope) detection logic.
FES devices may sit idle in clinic storage for prolonged periods. How does this battery counteract self-discharge?
We build this pack exclusively with premium Low Self-Discharge (LSD) technology. Unlike traditional NiMH cells that deplete rapidly when idle, our advanced material matrix guarantees that the battery retains >80% of its nominal capacity even after sitting on a clinic shelf for a full year without a single charge cycle, ensuring the device is ready for immediate clinical action.
Can this 8S1P single-row configuration reliably manage the rapid, multi-channel pulse currents demanded by electrical stimulation?
Absolutely. While the nominal continuous discharge rate is safely rated at 4000mA (2.0C), the internal architecture is specifically reinforced with low-resistance pure nickel welded interconnects to safely withstand maximum peak pulse currents of up to 8000mA (4.0C) for a duration of 20ms. This delivers crisp, undistorted energy bursts required for high-intensity therapeutic stimulation waveforms.
Is HIMAX capable of customizing the connector housing, wire length, or overall physical layout for custom FES enclosures?
Yes. Every medical device project has distinct enclosure constraints. While our standard brick array measures approximately $118\text{mm} \times 15\text{mm} \times 52\text{mm}$, our technical engineers can modify the wiring harness lengths, insulation barriers, and substitute connectors (such as JST, Molex, or AMP) to match your custom CAD layouts perfectly. Reach out directly to our engineering desk via https://www.himaxbattery.com to submit your precise technical specifications.
Download
#Download 9.6V 2000mAh AA NIMH Battery Pack Specifications
