2VL34570 Datasheet, PDF (1/2 Pages) saftbatteries – Extreme performance in demanding military environments

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.
Benefits
l Extended autonomy and life
l Wide operating temperature range
with unrivalled low temperature
performance
l Recommended for ruggedized
designs
l Easy integration into compact
and light systems
l Maintenance-free
l Light weight
Key features
l Electronic protection against
charger faults
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)
l Restricted for transport (Class 9)
l Components cells with built-in
circuit breaker, shut-down
separator and safety vent
l Recommended Saft chargers
EcMC² 250 and EcMC² 350
l Compatible with OEM or “Universal”
military battery chargers
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
Electrical characteristics
Nominal voltage
(under 1.1 A at 20°C)
Typical capacity at 20°C
(under 1.1 A 5.4 V cut-off)
Nominal energy
7.4 V
5.4 Ah
40 Wh
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)
128 cm³ (7.81 cu. in)
Operating conditions
Charge method
Constant Current/Constant Voltage
Max. recommended charge current
Charge temperature range*
Time at 20°C
Max. recommended continuous discharge current
Pulse discharge current
2.7 A at 20°C
- 20°C to + 60°C (- 4°F to + 140°F)
3 to 4 hours under C/2 (2.7 A) constant
4 A at 20°C
up to 10 A
Discharge cut-off voltage
5.4 V
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)
NSN
Part number
6140 14 559 7056
08034L
* For optimised charging below 0°C, + 60°C and discharging at - 40°C, consult Saft.
July 2010