E&J technology group manufacture custom
stick LFP LiFePO4 battery pack 12V 10Ah for portable solar lighting
E&J technology group designed and
manufactured the high quality cylindrical PCM/BMS suitable to the cylindrical
38120 LFP LiFePO4 battery to build in stick pack shape and fit for the most of
stick solar led street lightings. The eco-friendly long cycle lifepo4 battery
pack can support high temperature discharge and it is quite suitable to all
type of solar lightings and can be custom made in different shape to fit.
Technology Parameters for 38120-10Ah cell:
Physical and mechanical
characteristics
Diameter
38mm
Height
130mm (120mm without terminals)
Positive terminal Al Φ14mm L: 5mm
Negative terminal Cu Φ14mm L: 5mm
Weight
approx. 260g
Volume without
terminals
0.136
L
Case
material
Aluminum
Chemical
characteristics
Positive
electrode
Lithium iron phosphate
Negative electrode
Graphite
Electrical
characteristics*
Nominal
voltage
3.2V
Nominal capacity at
1.0C
10Ah
Minimum capacity at
1.0C
9.5Ah
DC Resistance
≤4mΩ
(30min charge @ 1C/50% SOC/ 20℃)
Specific energy at
1C
117Wh/kg
Energy density at
1C
223Wh/L
Specific
power
1077W/kg
(10C discharge/ 100% SOC)
Power density
2059W/L
(10C discharge/ 100% SOC)
Operating conditions*
Recommended charge
method
Constant current-constant voltage
End of charge
I≤0.02C
Recommended charge
voltage
3.65V
Recommended charge
current
up to 5A (0.5C)
Continuous charge
current
up to 10A (1C)
Maximum charge current
up to 20A (2C)
Recommended voltage limit for
discharge 2.2V
Lower voltage limit for
discharge
2V
Recommended discharge
current
up to 10A (1C)
Maximum continuous discharge
current up to 100A (10C)
Operating temperature
-10℃
to +55℃
Recommended charge
temperature
0℃
to +40℃
Storage and transport
temperature
-20℃
to +55℃
Cycle life at 20℃
and 100%
DOD
> 2000 cycles to 80% nominal capacity
(1C charge, 1C discharge @ CC/CV)