Rev. 1.8
505 Keystone Rd, Southampton, PA 18966, USA
.
(877) 497 6937
.
.
www.fortresspower.com
25
5. OPERATION
5.1 Charging
Never attempt to charge a battery without first reviewing and understanding the instructions for the
charger being used.
Only use a Fortress Power Approved Lithium Ferro Phosphate (LFP) charger
if ancillary charging is required before installation, testing or troubleshooting. Failure to use a
Fortress Power approved LFP charger may damage the battery and void the warranty
Temperature Table of Charging:
Ambient Temp
Max Charge Current
Max Discharge Current
0
℃
＜
T≤5
℃
0.1C
1C
5
℃
＜
T≤10
℃
0.2C
1C
0.5C
10
℃
＜
T≤15
℃
0.5C
15
℃
＜
T≤35
℃
1C
35
℃
＜
T≤49
℃
0.5C
49
℃
＜
T≤55
℃
None
None
CAUTION! Do not attempt to charge the battery below 32 degrees F (0 degrees C).
Attempts to charge at subfreezing temperatures can adversely affect State of Health
(SOH) and cycle life and will void the warranty; never charge battery if it is frozen; never
charge a visibly damaged battery.
5.1.1 Please follow the following steps to use the charger to charge the battery:
1. Connect the charger leads to the battery.
2. Make sure that the charger leads, both at the charger and the battery side,
connections are tight.
3. Turn the charger on.
CAUTION! Recommended charging current is 80A, Max. 170A (Please follow the
specification on Fortress Lithium Battery Datasheet.)
5.2 Discharging
✓
Do not discharge battery below operating voltage.
✓
Do not discharge battery at rates greater than maximum continuous current.
✓
Do not operate in conditions that will exceed the internal operating temperatures of the
battery.
