Rechargeable military lithium-ion battery
2 VL 34570
Extreme performance
in demanding military environments
The battery is assembled from
two VL 34570 Saft lithium-ion
cells connected in series (2s1p
configuration) and protected by
a specific electronic monitoring
circuit.
Electrical characteristics
Benefits
l Extended autonomy and life
l Wide operating temperature range
with unrivalled low temperature
performance
Nominal voltage
(under 1.1 A at 20 C)
7.4 V
5.4 Ah
40 Wh
°
°
Typical capacity at 20 C
(under 1.1 A 5.4 V cut-off)
Nominal energy
l Recommended for ruggedized
designs
l Easy integration into compact
and light systems
l Maintenance-free
l Light weight
Mechanical characteristics
Height (max)
Diameter (max)
Typical weight
Volume (max)
129 mm (5.08 in)
35.5 mm (1.40 in)
265 g (9.35 oz)
3
128 cm (7.81 cu. in)
Operating conditions
Key features
Charge method
Constant Current/Constant Voltage
l Electronic protection against
charger faults
°
2.7 A at 20 C
Max. recommended charge current
Charge temperature range*
°
°
°
°
-20 C to +60 C (-4 F to +140 F)
l Very high energy density
l Excellent charge recovery after long
storage, even at high temperature
l Long cycle life
(over 70 % initial capacity after
500 cycles 100 % DoD)
°
Time at 20 C
3 to 4 hours under C/2 (2.7 A) constant
°
Max. recommended continuous discharge current
Pulse discharge current
4 A at 20 C
up to 10 A
5.4 V
Discharge cut-off voltage
°
°
°
°
Discharge temperature range
Operating temperature range
-40 C to +60 C (-40 F to +140 F)
-25°C to +60°C (-13°F to +140°F)
l Restricted for transport (Class 9)
l Components cells with built-in
circuit breaker, shut-down
separator and safety vent
l Recommended Saft chargers
EcMC 250 and EcMC 350
l Compatible with OEM or “Universal”
military battery chargers
NSN
6140 14 559 7056
08034L
Part number
*
For optimised charging below 0°C, +60°C and discharging at -40°C, consult Saft.
2
2
l Direct replacement for the
BA-5800 primary Li-SO2 battery
l Made in the EU
Main applications
l GPS-PLGR +96
l AN/PSN-10 (small lightweight
GPS Receiver)
l CP-1995 Battlefield computer
l NBC Respirators
l Night vision equipment
July 2010
