Overkill Solar 120A 4s 12V BMS, Instruction Manual

Page: 39 / 68

2 1 BMS balance leads Included with BMS
3 1 Temperature sensor lead Included with BMS
4 1 External switch pigtail
Included with BMS. If desired, this
will shutoff the discharge FET,
preventing battery drain when
activated.
5 1 BMS Bluetooth module with cable Optional accessory for BMS
6 8 Battery cells 100Ah LiFEPO4
7 16 Battery cell nuts for lugs
10mm, nylon locking.
Included with Overkill Solar
LiFEPO4 cells
8 7 Bus bars
Included with Overkill Solar
LiFEPO4 cells
9 1 Power distribution block (positive)
2 or more 3/8” lugs, red.
Rated for > 150A
10 1 Power distribution block (negative)
2 or more 3/8” lugs, black.
Rated for > 150A
11 1
Wire, positive lead, red (current-carrying
cable between last battery cell positive and
the power distribution block)
4 AWG minimum.
2 AWG recommended.
Red insulation.
12 2 Ring terminals, positive lead
4 AWG minimum.
2 AWG recommended.
3/8" inside diameter.
13 2 Ring terminals, BMS pigtails
For standard 10 AWG pigtails:
8 AWG,
⅜
” ID (NOTE: these
terminals can be optionally
included with the BMS at order
time)
For optional 8 AWG pigtails:
6 AWG,
⅜
” ID
14 5 Ring terminals, balancing lead
16-22 AWG,
⅜
” ID, insulated
Included with Overkill Solar
LiFEPO4 cells
15 A/R Zip tie, light-duty, 6” For cable management.
16 A/R Zip tie, heavy-duty > 12”
Optional. May be used to secure
BMS to battery pack.