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EPIRB 3.M20
Primary Li-MnO2 battery
9 V lithium manganese dioxide battery for EPIRBs
The EPIRB 3.M20 battery is based on Saft
M20 D-size spiral cells with high current
and pulse capability. It is ideally suited for
the demands of EPIRBs (Emergency Position Indicating Radio Beacons).
Benefits
■ High drain / high pulse capability
■ High voltage response, stable even after
long dormant periods
■ No voltage delay
■ Low self-discharge compatible with
long operating life (less than 1 % per year
after 1 year of storage at 20 °C)
■ High energy density
■ Light weight
■ Wide operating temperature range
■ Superior resistance to corrosion
■ Easy integration into EPIRBs
Electrical characterisƟcs
■ 3 M20 cells in 3S1P configuration
■ Safe, hermetic cell construction with
glass-to-metal seal, safety vent and stainless steel container
■ Non-pressurized cells
■ Protection against abusive conditions
with integrated polyswitch and diode
■ Centered tube for secure mounting in
EPIRBS
■ Versions without centered tube and
different cable configurations available on
request
■ Restricted for transport (class 9)
■ Manufactured in Germany
Designed to meet all major quality,
safety and environmental standards
■ Safety: UL 1642 (File MH 12609)
■ Transport: UN 3090 and UN 3091
■ Quality: ISO 9001, Saft World Class Continuous program
■ Environment: ISO 14001, RoHS and
REACH compliant
References
(4)
Sa Part Number (1) ■ EPIRB (Emergency Position Indicating
Radio Beacon) COSPAS-SARSAT, 406 MHz
Typical capacity (at +20°C / +68°F, 150 mA discharge rate, 6.0 V 12.6 Ah cut‐off voltage) (1) Open‐circuit voltage 9.9 V Nominal voltage (under 1 mA at +20°C) 9.0 V Nominal energy (at 150 mA, +20°C, 6.0 V cut‐off voltage) 108 Wh 2 A Maximum discharge current (con nuous and pulse) (2) Physical characterisƟcs
Length 69.0 mm / 2.72 in Width 64.3 mm / 2.53 in Height 65.0 mm / 2.56 in Typical weight 380 g Terminals Op onal Ba ery casing Shrink sleeve OperaƟng condiƟons
Opera ng temperature range ‐ 40°C / + 72°C (‐ 40°F / + 161°F) Storage temperatures Recommended + 35°C (+ 95°F) max. (3)
Allowable ‐ 55°C / + 90°C (‐ 67°F / + 194°F) Key features
Typical applications
Can vary depending on current drain,temperature and cut‐off voltage. Packs for higher currents are op onally available. Consult Sa . (3)
Long‐ me storage at high temperature may affect performance. Consult Sa . (4) The part numbers of modified versions (e.g. with terminals / without centered tube) may be different (2) 443 2080 136 Voltage plateau vs. current and temperature (at mid-discharge)
10
Battery voltage [V]
9
8
7
6
-40°C
+23 °C
5
-3 0°C
+60 °C
-1 5°C
4
0
0,5
1
1,5
2
Discharge current [A]
Typical discharge profile vs. temperature under 0.5A
10
Battery voltage [V]
9
8
7
6
-4 0°C
+23 °C
5
Built-in circuit protection elements
-3 0°C
+60 °C
-1 5°C
4
0
■ Polyswitch preventing short-circuit / overcurrent and over-heating
■ Charge protection diode
2
4
6
8
10
12
14
Discharge capacity (Ah)
Storage
■ The storage area should be clean, cool
(preferably not exceeding +30°C), dry and
ventilated
Capacity vs. current at various temperatures
14
12
■ Fire, explosion and burn hazard
■ Do not charge, short-circuit, crush, disassemble, heat above +100°C (+212°F), incinerate, or expose cell contents to water
Capacity [Ah]
Warning
10
8
6
4
-4 0°C
+23 °C
2
-3 0°C
+60 °C
-1 5°C
1
1,5
0
0
0,5
2
Discharge current [A]
Saft
12, rue Sadi Carnot
93170 Bagnolet
France
Tel.: +33 (0) 1 49 93 19 18
Fax: +33 (0) 1 49 93 19 64
www.saftbatteries.com
Friemann & Wolf
Batterietechnik GmbH
Industriestr. 22
63654 Büdingen—Germany
Tel.: +49 (0) 6042 954 0
Fax: +49 (0) 6042 954 190
www.friwo-batterien.de
Doc N° 31131-2-0316
Edition: March 2016
Information in this document is subject to change
without notice and becomes contractual only after
written confirmation by Saft.
Published by the Communication Department
Photo credit: Saft
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