Genuine Motorola Rechargeable Coin Cell Batteries for Memory Backup
The Motorola 6071520M01 is a professional-grade rechargeable lithium coin cell battery designated MS621FEX, specifically designed for memory retention and backup power applications in Motorola two-way radio equipment. These 3-volt rechargeable button cells provide reliable power to maintain critical settings, channel programming, and time/date information when the main radio battery is removed or depleted. Manufactured by Nexcell (FDK Corporation), these batteries feature rechargeable lithium chemistry that can be cycled hundreds of times, offering superior longevity compared to non-rechargeable alternatives. This listing includes a convenient 10-pack for repair shops and service centers.
Key Features
- Genuine Motorola OEM battery specification ensures proper voltage and capacity for radio memory circuits
- MS621FEX rechargeable lithium chemistry provides 3V nominal voltage with excellent charge retention
- Rechargeable design allows hundreds of charge/discharge cycles for long-term reliability and value
- Compact coin cell format fits standard battery holders in portable and mobile radio equipment
- Manufactured by Nexcell (FDK), a leading producer of professional rechargeable coin cells
- Stainless steel casing with precision construction ensures reliable electrical contact and durability
- Sold in convenient 10-pack quantity ideal for service centers, repair shops, and fleet maintenance operations
Technical Specifications
- Battery Type: Rechargeable Lithium Coin Cell
- Model Designation: MS621FEX (Nexcell/FDK)
- Voltage: 3.0V nominal
- Chemistry: Rechargeable Lithium
- Dimensions: 6.8mm diameter x 2.15mm height (approximate)
- Form Factor: Coin/button cell
- Terminal Configuration: Positive top, negative case
- Cycle Life: Hundreds of charge/discharge cycles
- Construction: Stainless steel case with insulating gasket
Applications
- Memory backup in Motorola portable and mobile two-way radios
- Channel programming retention when main battery is removed
- Real-time clock and date/time memory circuits
- Configuration settings storage in professional radio equipment
What's Included
- Ten (10) Motorola 6071520M01 MS621FEX Rechargeable Coin Cell Batteries
Application and Installation Notes
Rechargeable coin cell batteries serve a critical function in two-way radio equipment by maintaining memory when the main power source is disconnected. These batteries power low-current circuits that retain channel programming, frequency settings, CTCSS/DCS codes, time/date information, and other configuration data. Without a functional backup battery, radios may lose all programming when the main battery is removed for charging or replacement, requiring complete reprogramming before the radio can be returned to service. The rechargeable design means the battery automatically recharges from the radio's power supply when the main battery is installed, eliminating the need for periodic replacement like non-rechargeable backup batteries.
Installation requires basic technical skills and access to the radio's internal components. The backup battery is typically located on the main circuit board, mounted in a specialized coin cell holder with spring contacts. To replace, carefully open the radio housing following manufacturer service procedures, locate the backup battery holder, note the proper polarity orientation, remove the old battery, and install the new MS621FEX cell with correct polarity. After installation, allow the radio to charge the new battery for several hours before removing the main battery. Improper polarity can damage sensitive memory circuits, so verify positive and negative orientation carefully before closing the radio housing.
These batteries should be replaced during preventive maintenance when symptoms indicate backup battery failure, including loss of programming when changing main batteries, clock reset to default time, or loss of stored channel data. Typical service life is 3-5 years depending on usage patterns and charging conditions. The 10-pack quantity is ideal for service centers maintaining multiple radio units, fleet maintenance operations, or repair shops that regularly service Motorola communications equipment. Always use genuine Motorola-specified batteries to ensure proper voltage regulation and prevent potential damage to memory circuits.
Perfect for authorized Motorola service centers, communications equipment repair facilities, public safety radio maintenance departments, commercial radio fleet operators, and professional electronics technicians.
Manufacturer Part Number: 6071520M01
Battery Model: MS621FEX (Nexcell/FDK)
Package Quantity: 10 batteries per pack
