Overview
The Eagle Picher LTC-7PMP Keeper II is a primary lithium thionyl chloride battery engineered for mission-critical backup power in industrial controls, instrumentation, and memory retention applications. With its prismatic design and proven electrochemistry, the LTC-7PMP delivers years of dependable, low-rate discharge performance at 3.5V nominal voltage and 1500mAh capacity.
Key Features
- Lithium Thionyl Chloride Chemistry: Provides years of low-rate, continuous high-energy density usage, allowing for long-life service dependability
- Non-Rechargeable Primary Cell: Rectangular lithium thionyl chloride battery at 3.5 VDC, 1.5AH
- Hermetically Sealed Construction: UN tested, hermetically sealed, RoHS compliant, non-pressurized system
- Flat Discharge Profile: Provides stable voltage output over the battery’s life span
- Industrial-Grade Reliability: Prismatic shape and electrochemistry makeup allow customization for commercial applications
Technical Specifications
- Chemistry: Lithium Thionyl Chloride (LiSOClâ‚‚)
- Voltage (Nominal): 3.5V
- Capacity: 1500mAh (1.5Ah)
- Form Factor: Prismatic (rectangular)
- Dimensions: 1.50 x 1.20 x 0.35 inches
- Weight: 19.0g
- Operating Temperature Range: -40°C to +95°C
- Open Circuit Voltage (25°C): 3.67 volts
- Discharge Rate (Standard): 350-hour rate at 25°C
- Certifications: UN tested, RoHS compliant
Typical Applications
- Backup power for PLC memory and real-time clocks
- Long-life power for remote instrumentation and monitoring systems
- Emergency lighting and safety systems
- Utility meter backup power
- Industrial automation equipment and control systems
- Devices requiring 10+ year shelf or operational life
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix and ControlLogix controllers (backup power modules)
- Siemens S7-1200 and S7-1500 PLC memory backup
- Mitsubishi and Omron controllers requiring 3.5V primary cells
- Industrial memory backup and UPS systems
- Automation equipment with lithium thionyl chloride battery slots
Replaces / Drop-In Replacement For
- Eagle Picher LTC-7P (lower capacity 750mAh variant)
- Third-party OEM lithium thionyl chloride batteries rated 3.5V / 1500mAh with compatible pinout
- Original equipment manufacturer (OEM) backup batteries in legacy industrial systems
Works With
- Primary lithium battery applications (non-rechargeable)
- Standard lithium thionyl chloride battery management systems
- Industrial control systems requiring long-life backup power
- Memory-backup and real-time clock (RTC) circuits
