PHI 3.8 24V & 48V Battery Manual
REV073019
SimpliPhi Power, Inc. | 3100 Camino Del Sol | Oxnard, CA 93030, USA | (805) 640-6700 | info@simpliphipower.com | SimpliPhiPower.com
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Appendix C – PHI Legacy Battery Parameters
SimpliPhi’s legacy batteries have previously been associated with different operating conditions and
limitations than those outlined in Section 5.0 of this manual. While PHI Battery operation according to
those previously published parameters is not harmful to the PHI Battery and does not void legacy
batteries’ warranties, SimpliPhi recommends the following operating conditions for increased PHI Battery
system optimization:
Table C.1 – Recommended Operation Parameters
Recommended Operating Conditions
Equivalent to 80%
Retained Capacity
10,000 cycles
5,000 cycles
3,500 cycles
Discharge/Charge Rate
1,2
C/2
DoD
4
80%
90%
100%
Operating Temperature
°F (°C)
32 to 120 (0 to 49)
Programming Settings
for Ancillary Equipment
12V
24V
48V
12v
24V
48V
12V
24V
48V
Absorb / High Cut-Off
Voltage (V)
3
13.6
27.2
54.4
13.6
27.2
54.4
14
28
56
Absorb Time
1 Hour
1 Hour
1 Hour
Recharge / Low Cut-Off
Voltage (V)
3
12.6
25.1
50.2
12.4
24.8
49.6
12
24
48
The charge cycle should be programmed to 2 Stage / No Float. Utilizing a Float Charge is permissible
only in charge controllers’ programming. Refer to the relevant charge controller Integration Guide for
complete charge controller settings.
Table C.2 – Operating Limitations
Notes / Operating Limitations for PHI Batteries
PHI 3.5
PHI 2.7
PHI 1.3
PHI 675
Limitations by Model
24V
48V
24V
48V
24V
12V
24V
12V
Continuous Charge &
Discharge Rate (A)
45
34
45
26
26
40
13
26
PHI 3.4
PHI 2.6
Limitations by Model
24V
48V
24V
48V
Continuous Charge &
Discharge Rate (A)
45
33
45
25
•
60A Discharge Rate (10 minutes maximum)
•
Levels are typically @ 25°C and may need adjusting at temperature extremes.
• When performing rapid deep charge/discharge cycles, the PHI Battery should be allowed to "rest" 15 mins in
between.