Rechargeable lithium-ion battery DHY 307 Extreme performance in demanding military environments The battery is assembled from two parallel branches of eight MP 176065 Saft lithium-ion cells in series (8s2p configuration) with a specifically designed electronic protection circuit. Benefits ● ● ● ● ● ● ● Extended autonomy and life for mobile systems Unrivalled low temperature performance Wide operating temperature range Recommended for ruggedized designs Easy integration into compact and light systems Maintenance-free Light weight Electrical characteristics Nominal voltage (2.4 A rate at 20°C) 30.0 V Typical capacity at 20°C (under 6.8 A 21.6 V cut-off) 13.6 Ah Mechanical characteristics Length max 193 mm Width max 74 mm Height max (including contacts) 136 mm Typical weight 3000 g Operating conditions Charge method Key features ● ● ● ● ● ● ● ● Electronic protection against charger faults Very high energy density Built-in OCV (Open Circuit Voltage) independent fuel gauge Compatible with Saft and other military chargers Excellent charge recovery after long storage, even at high temperature Long cycle life (over 70 % initial capacity after 500 cycles 100 % DoD) Made and designed in the EU Restricted for transport (Class 9) Constant Current/Constant Voltage Max. recommended charge current 12 A at 20°C Charge temperature range* - 20°C to + 60°C Time at 20°C 6 hours under 5 A constant Max. recommended continuous discharge current Pulse discharge current (< 7 ms) up to 18 A Discharge cut-off voltage 21.6 V Discharge temperature range References - 40°C to + 60°C Compliance with military specification High Temperature MIL-STD 810 E, 501.3 (+ 60°C) Low Temperature MIL-STD 810 E, 502.3 (- 20°C) Vibration Shock Salt Fog Immersion Main applications ● Laser designator NATO Stock Number (NSN) Saft’s Part Number * Consult Saft for optimized charging below 0°C January 2008 12 A at 20°C MIL-STD 810 C, 514.2 H MIL-STD 810 E, 516.4 MIL-STD 810 E, 509.3 I MIL-STD 810 E, 512.3 6140 -14-553-2742 08101F DHY 307 ● ● ● Graphite-based negative electrode Lithium Cobalt oxide-based positive electrode Electrolyte: organic solvents Built-in redundant safety features Independent OCV 10 segment fuel gauge ● ● ● ● ● ● ● ● ● Exposure to heat Exposure to direct sunlight for extended periods of time Short circuit Overcharge Overdischarge Shrapnel penetration Store in a dry place at a temperature preferably not exceeding 30°C For long-term storage, keep the battery preferably within a (30 ± 15) % state of charge Protection circuit ● ● ● ● Assess the battery state of charge while in storage Enables checking remaining capacity prior or during use Built-in protection devices ensure safety in case of: ● Transportation and storage Protection against over voltage (resettable) Protection against under voltage (resettable) Protection against over current during discharge Equalising cell voltages during discharge Typical discharge profile under 2.7 A (C/5 rate) at + 20°C 35.0 34.0 33.0 32.0 31.0 Voltage (V) ● 30.0 29.0 + 70°C 28.0 27.0 + 20°C 26.0 25.0 - 25°C 24.0 23.0 22.0 21.0 0 1 ● ● 4 5 6 7 8 9 10 11 12 13 14 15 16 Charge characteristics to 33.6 V under 6.8 A (C/2) at + 20°C 10.0 35.0 34.0 8.0 33.0 Voltage 32.0 Voltage (V) ● Do not solder directly to battery terminals Do not disassemble Do not remove the protection circuit Do not incinerate 3 Capacity (Ah) When handling Saft MP batteries: ● 2 6.0 31.0 30.0 29.0 4.0 28.0 Current 27.0 2.0 26.0 0.0 25.0 0 1 2 3 Charge time (hours) Saft Specialty Battery Group 12, rue Sadi Carnot 93170 Bagnolet - France Tel.: +33 (0)1 49 93 19 18 Fax: +33 (0)1 49 93 19 69 313, Crescent Street Valdese NC 28690 - USA Tel.: +1 (828) 874 41 11 Fax: +1 (828) 879 39 81 www.saftbatteries.com Doc. No 54062-2-0108 Information in this document is subject to change without notice and becomes contractual only after written confirmation by Saft. Published by the Communications Department. Photo credit: Saft. Société anonyme au capital de 31 944 000 RCS Bobigny B 383 703 873 Produced by Arthur Associates Limited. 4 5 Current (A) Technology