Welcome to Defender Canada! 
Battery Accessories & Cables
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18% off
Blue Sea Systems CableCap Stud Insulators
$6.12 - $9.11$5.01 - $7.42 -
Blue Sea Systems Dual Post I/O Cable Caps - 4018
$12.51 -
Blue Sea Systems Powerpost Cable Connector
$21.60 - $22.98 -
14% off
Ancor Marine Tinned Copper Battery Cable - 1 AWG
$2.05 - $5,343.09$1.83 - $5,343.09 -
Attwood Heavy-Duty Battery Tray
$18.83 - $24.76 -
Attwood PowerGuard Battery Box
$15.44 - $24.44 -
Seachoice Battery Tray for Optima 27/31 - 21951
$21.52 -
Noco Group 24 Battery Box Strap - 48" - BS48
$9.44 -
NOCO Group 24 Battery Box - BG24
$22.68 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 27 Battery - 042232
$35.10 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$43.38 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$27.66 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$37.86 -
NOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$199.44 -
NOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$206.34 -
NOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$315.41 -
NOCO Commercial Marine Grade Dual Battery Box - Holds (2) 6V Batteries - HM426
$207.72 -
NOCO Marine Grade Plastic Battery Tray - Group 24 Battery - BT24
$9.79 -
NOCO Marine Grade Plastic Battery Tray - Group 27 or 31 Battery - BT27
$10.18 -
NOCO Marine Grade Snap-Top Battery Box - Single 6V Battery - HM306BK
$22.71 -
T-H Marine Battery Hold Down Tray
$18.48 -
T-H Marine Battery Holder Tray with Stainless Buckle
$26.83 -
T-H Marine LED Battery Tester - BE-EL-51004-DP
$25.68 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$41.98 -
Todd Marine Grade Battery Box - Group 4D Battery - 10-12000
$207.70 -
Victron Energy LiFePO4 VE.Bus BMS Battery - 12-48V DC - BMS300200000
$162.47 -
Victron Energy Smart BMS CL 12/100 Battery Management System - BMS110022000
$209.42 -
Victron Energy Smart BMS 12/200 Battery Management System - BMS210055000
$322.04 -
Victron Energy Smart LiFePO4 Battery SmallBMS - BMS400100000
$68.63 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$216.43 -
Victron Energy BatteryProtect - 6-35V DC
$51.04 - $121.44 -
Victron Energy Smart BatteryProtect - 6-35V DC
$74.50 - $146.06 -
14% offBlue Sea Systems Dual PowerPost Cable Connectors
$33.70$28.74 -
Blue Sea Systems Rotating CableCap Insulators - 4001
$11.11 -
9% offMarinco Battery Direct Connect - 12VTR
$27.99$25.26 -
Cannon Replacement Battery End Cable - 1903017
$64.06 -
Blue Sea Systems Mini Powerpost Cable Connector
$14.78 -
19% offBlue Sea Systems Powerpost Plus Cable Connector
$37.84 - $39.22$30.39 - $39.22 -
Ancor Lead Battery Terminal Set - 260325
$14.08 -
14% off
Ancor Marine Battery Cable Assembly with Lugs
$26.43 - $50.26$22.55 - $45.30 -
Ancor Tinned Brass Battery Terminal Set - 260322
$46.12 -
Victron Energy Lynx Smart Battery Management System
$1,252.22 - $1,478.62 -
Blue Sea Systems Stud Mount Insulating Boots (2-Pack) - 4000
$8.93 -
Blue Sea Systems PowerPost Insulator - 4004
$7.19 -
Blue Sea Systems Dual Entry Cable Cap
$16.12 -
Blue Sea Systems Standard Cable Caps
$10.35 -
Blue Sea Systems Straight Terminal Cable Caps
$10.00 - $11.36 -
Xantrex DC Battery Cables and Fuse
$251.01 - $434.58