Chemistry: Sealed Nickel Metal Hydride (Ni-MH)
Voltage & Capacity: 3.6V, 500mAh (Compact Standard Model)
Key Benefit: Space-saving design for mass-market automotive IoT devices
Operating Discharge Temp: -20°C to 75°C
Cycle Life: ≥ 500 charge/discharge cycles
Application: Standard Automotive T-Box, Micro GPS Trackers, OBD II Dongles
Integration: Pre-wired and customized to your specific PCBA
Ultra-Compact 3.6V 500mAh Ni-MH Backup Battery for Standard Telematics
Not every automotive IoT device requires a massive battery. For space-constrained applications like micro Telematics Boxes, OBD II dongles, and covert GPS trackers, our Compact 3.6V 500mAh Ni-MH battery pack provides the perfect balance of reliable emergency power and a minimal physical footprint. Engineered to strictly meet standard eCall requirements, it ensures your devices transmit critical SOS data without taking up valuable PCB real estate.
Differentiated Engineering Advantages:
Space-Optimized Footprint: Designed using high-density AAA cells, this 500mAh pack is ultra-compact, making it the ideal choice for small-form-factor automotive modules where every millimeter counts.
Cost-Effective Reliability: Offers a highly competitive price-to-performance ratio, perfect for Tier 1 suppliers and fleet management companies looking to scale their hardware production without compromising on automotive-grade safety.
Harsh Climate Ready: Maintains stable discharge characteristics across a wide temperature range of -20°C to 75°C, ensuring reliable operation during extreme winter or summer conditions inside the vehicle.
Inherent Safety Standards: The stable aqueous electrolyte of the Ni-MH chemistry prevents thermal runaway, swelling, or explosion, making it fully compliant with automotive crash safety directives.
| Parameter | Specification |
| Nominal Voltage | 3.6V |
| Rated Capacity | 500mAh |
| Battery Chemistry | Sealed Ni-MH |
| Standard Charge | 50mA (0.1C) for 16 hours |
| Maximum Continuous Discharge | 500mA (1C) |
| Operating Temperature (Discharge) | -20°C to 75°C |
| Operating Temperature (Charge) | 0°C to 60°C |
| Cycle Life | ≥ 500 Cycles (IEC 61951-2) |
| Thermistor (NTC) | Optional / Customizable based on BMS |
| Connector & Wiring | Custom wire lengths and headers (JST, Molex, etc.) |
| Form Factor | Ultra-compact (Custom layout available) |
Our high-quality Nickel-Metal Hydride (Ni-MH) rechargeable batteries deliver stable voltage output, dependable capacity, and a long service life of 500+ charge/discharge cycles. Manufactured under strict ISO-certified quality control with built-in overcharge, over-temperature, and short-circuit protection, they offer a safe, eco-friendly, and cost-effective power solution compared to disposable alternatives.
Rechargeable Ni-MH batteries power a wide variety of daily and industrial devices: cordless vacuums and cleaning appliances, power tools, robotic lawnmowers, wireless phones, toys, remote controls, emergency lighting, medical equipment, and backup power systems. Their consistent discharge curve and low self-discharge make them ideal for both high-drain and long-standby applications.
Run time depends on the power draw of your device. As a general reference, a battery with a 2000mAh rating delivers working time comparable to the original OEM cell, restoring full performance to your equipment.
High-quality Ni-MH cells typically provide 500 to 1000 charge/discharge cycles before capacity degrades, giving years of reliable service with proper care.
Store in a cool, dry place away from direct sunlight. For long-term storage, keep a partial charge (about 40-60%) and recharge every 3 to 6 months to maintain optimal cell health.
Yes. Every battery is covered by our manufacturer warranty against defects in materials and workmanship, backed by our 16 years of Ni-MH battery expertise.
Explore our complete range of custom Ni-MH battery packs, AA rechargeable batteries, AAA rechargeable batteries, and other replacement battery solutions for reliable, long-lasting power for every application.





