Reported 3619 Battery low voltage during ~~~~~ 3619 Reported Battery low voltage during train prep.  3619 found battery bank burnt & battery fuse blown. As preventive measure, tripped BCB & removed the battery fuse. OPS 20 raised to follow-up.  Kamarul/Raihan/Safwan/Isam 44030 To continue rectification.  3619 battery bank removed for investigation. Replaced 1619 & 2619 battery bank replaced - Done. Battery Bank S/N :   OLD              NEW 1619  :           No Number        KSFB-001 2619  :           NO Number        KSFB-2016-92/R                                    KSFB-2019-92/L  Selvan/Lee PT/Alcus 44032 To further rectify.  3619 cleared/cleaned battery bank compartment & removed the cable. OPS 40 raised to follow-up.  Chan GF/Alcus/Selvan 44033 To follow up.  3620/1620/2620 battery banks replaced - Done. Function test - OK.    Battery Bank S/N :   OLD               NEW 3620              No Number        KSFB-2016-095 1620              No Number        KSFB-2016-010 2620              No Number        KSFB-2016-024  Selvan/Lee PT 44032 To follow up.  3619 replaced B104 cable, battery temperature stickers, fire wire, 2 battery fuse & new battery banks. Checked temperature sensor at 30'C, 8.36 Kn - OK. APS power test - OK. Due to battery not fully charged, 6 cars output charge voltage & current unable to conduct. cars no power test was also not conducted. OPS 60 raised to check voltage/current at battery box terminal pins & No power test. 3619 Battery Bank S/N :  OLD               NEW                        No Number       KSFB-2016-154  Chan GF/Selvan/Lee PT 44032 To further rectify.  619/620 conducted No Power Test & Power Test - OK. 3619 - 0.1A (107.0 V) 1619 - 0.8A (107.1 V) 2619 - 0.8A (106.7 V) 2620 - 0.3A (106.7 V) 1620 - 0.5A (106.8 V) 3620 - 0.3A (106.7 V)  Sarma/Kana 44035