Tadiran TLI-1550HC (High Capacity) Lithium Ion Battery AA 500 mAh 4.0 V Cylindrical Cell

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Lithium Battery Information Sheet

Tadiran TLI-1550HC  Spec Sheet

Product Overview

The Tadiran TLI‑1550HC is a 4.0V rechargeable lithium‑ion (TLI) cell engineered for high‑capacity, long‑life industrial IoT applications that require exceptional cycle life, strong pulse performance, and reliable operation across wide environmental conditions. As the high‑capacity (HC) variant of the TLI‑1550 family, it is optimized for applications that need more available energy per cycle, greater charge acceptance, and extended autonomous runtime when powered by intermittent energy‑harvesting sources.

High‑Capacity Industrial Li‑ion Chemistry

The TLI‑1550HC uses Tadiran’s proprietary industrial‑grade Li‑ion chemistry, formulated for long‑term cycling and harsh environmental exposure. The HC variant emphasizes increased usable capacity while maintaining the ruggedness and stability expected from the TLI platform. Key characteristics include:

• 4.0V nominal voltage with a stable, predictable discharge curve

• High cycle life, often 5,000+ cycles depending on depth of discharge

• Increased capacity compared to standard TLI‑1550 variants

• Ultra‑low self‑discharge, supporting long standby periods

• Fast recharge acceptance, ideal for solar, vibration, RF, or thermal harvesting

• Wide operating temperature range, typically −40°C to +85°C

• Long calendar life, often 10+ years in field deployments

This chemistry is ideal for IoT systems that require more energy per cycle without sacrificing longevity.

Electrical Performance for High‑Demand IoT Systems

The TLI‑1550HC is optimized for low‑average‑current devices that require periodic high‑current pulses for wireless communication, while also benefiting from higher available capacity. Electrical advantages include:

• Stable 4.0V output for modern low‑power electronics

• High pulse capability for radio bursts (LoRa, NB‑IoT, BLE, Zigbee, etc.)

• Greater energy reserve for longer operation between recharge cycles

• Excellent recharge acceptance from intermittent or low‑power energy harvesters

• Predictable cycling behavior with minimal capacity fade

• Reliable operation in extreme environmental conditions

This performance profile makes the TLI‑1550HC ideal for autonomous IoT nodes that need both high capacity and long‑term rechargeability.

Mechanical and Environmental Durability

The TLI‑1550HC is built for rugged industrial environments:

• Hermetically sealed stainless‑steel construction

• High resistance to shock, vibration, and mechanical stress

• Excellent performance in both extreme cold and heat

• Long shelf life and stable long‑term cycling

• Compact cylindrical form factor for embedded designs

Its durability ensures reliable operation in mission‑critical, remote, and maintenance‑restricted deployments.

Typical Applications

The TLI‑1550HC is widely used in high‑capacity, rechargeable, and energy‑harvesting IoT systems, including:

• Wireless sensor networks (WSN) with extended duty cycles

• Industrial IoT telemetry and monitoring nodes

• Smart city infrastructure requiring longer runtime between charges

• Asset tracking and geolocation devices with high‑pulse radio demands

• Energy‑harvesting systems (solar, vibration, RF, thermal)

• Security and intrusion detection systems

• Medical and wearable devices requiring long cycle life

• Remote monitoring and SCADA subsystems

These applications benefit from the TLI‑1550HC’s ability to deliver years of rechargeable, maintenance‑free performance with enhanced capacity.

Why Engineers Choose the TLI‑1550HC

• Rechargeable 4.0V industrial Li‑ion chemistry

• High‑capacity design for extended runtime

• High cycle life with minimal capacity fade

• Fast recharge acceptance for energy harvesting

• High pulse capability for wireless communication bursts

• Extreme temperature resilience (−40°C to +85°C)

• Proven reliability in industrial and mission‑critical systems

The TLI‑1550HC is selected when designers need a high‑capacity, long‑life rechargeable lithium cell capable of powering autonomous IoT devices for a decade or more.

Product Description

Product Details