Narada 313K Series Operation Manual - page 15
Narada Power Source Co., Ltd. 313K series 12V battery operation manual V1.5
15
1.70V
411 284 225 149 96.6
59.4
43.8
29.2
19.8
16.2 13.8 8.47
7.07
1.75V
403 280 224 148 95.9
58.9
43.5
28.9
19.6
16.1 13.6 8.40
7.01
1.80V
390 277 221 146 95.5
58.5
42.8
28.2
19.0
15.6 13.2 8.18
6.91
1.83V
378 273 220 145 95.1
57.9
42.2
27.8
18.7
15.3 13.0 8.10
6.81
1.85V
370 269 219 143 94.3
56.7
41.3
27.1
18.3
15.0 12.7 7.95
6.70
Chapter Four Maintenance
4.1 Maintenance store tools
Following tools and equipments are necessary at least to maintenance and troubleshooting
VRLA batteries.
1. Digital multimeter
2. Wrenches insulated
3. Adjustable wrench insulated
4. Torque wrench
5. Rubber gloves
6. Full set of masks
7. Plastic apron
8. Portable eyedrops
9. Fire extinguishers (C grade)
The following equipment is optional according to the type of maintenance.
1. Resistance tester
2. Charger and discharger special for storage battery (portable)
4.2 Maintenance
In order to assure service life, the batteries should be correctly inspected and maintained. The
maintenance methods of 313K batteries are recommended as follows:
4.2.1 Quarterly Maintenance
1) Keep the battery‐room clean, no garbage and good light
2) Ensure all the safety equips are complete and available, especially ensure battery
management parameter settings are normal
3) Measure and record ambient temperature of the battery‐room
4) Visually inspect battery
a. Cleanliness
b. Damage and overheat trace of terminal
c. Shell or cover damage
d. Overheating traces
5) Measure and record float voltage and equalization voltage of system
6) Measure and record float voltage and equalization voltage each cell
7) Measuring DC voltage each battery polarity to detect ground faults
8) If possible, measure and record battery system DC and AC float current
9) Measure and record control equip temperature. Measure and record battery temperature in
the center of side or negative post.