DHY307 SAFT | Alldatasheet

Document overview

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Technical content

Rechargeable lithium-ion battery DHY 307 Extreme performance in demanding military environments 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 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) Main applications
  • Laser designator

Electrical characteristics

Nominal voltage 30.0 V (2.4 A rate at 20°C) Typical capacity at 20°C 13.6 Ah (under 6.8 A 21.6 V cut-off) Mechanical characteristics Length max 193 mm Width max 74 mm Height max (including contacts) 136 mm Typical weight 3000 g Operating conditions Charge method 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 12 A at 20°C Pulse discharge current (< 7 ms) up to 18 A Discharge cut-off voltage 21.6 V Discharge temperature range - 40°C to + 60°C References Compliance with military specification High Temperature MIL-STD 810E, 501.3 (+ 60°C) Low Temperature MIL-STD 810E, 502.3 (- 20°C) Vibration MIL-STD 810C, 514.2 H Shock MIL-STD 810E, 516.4 Salt Fog MIL-STD 810E, 509.3 I Immersion MIL-STD 810E, 512.3 NATO Stock Number (NSN) 6140-14-553-2742 Saft’s Part Number 08101F * Consult Saft for optimized charging below 0°C January 2008 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.

21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 29.0 30.0 31.0 32.0 33.0 34.0 35.0 012345678 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 - 25°C + 20°C + 70°C 012345 25.0 26.0 27.0 28.0 29.0 30.0 31.0 32.0 33.0 34.0 35.0 0.0 2.0 4.0 6.0 8.0 10.0 Voltage Current Typical discharge profile under 2.7 A (C/5 rate) at + 20°C Capacity (Ah) Charge time (hours) Voltage (V) Current (A) Voltage (V) Charge characteristics to 33.6 V under 6.8 A (C/2) at + 20°C DHY 307 Technology

  • Graphite-based negative electrode
  • Lithium Cobalt oxide-based positive electrode
  • Electrolyte: organic solvents
  • Built-in redundant safety

features

Independent OCV 10 segment fuel gauge

  • 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:
  • Exposure to heat
  • Exposure to direct sunlight for extended periods of time
  • Short circuit
  • Overcharge
  • Overdischarge
  • Shrapnel penetration When handling Saft MP batteries:
  • Do not solder directly to battery terminals
  • Do not disassemble
  • Do not remove the protection circuit
  • Do not incinerate 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. Transportation and storage

  • 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
  • Protection against over voltage (resettable)
  • Protection against under voltage (resettable)
  • Protection against over current during discharge
  • Equalising cell voltages during discharge