Welcome to Defender Canada! 
Batteries & Accessories
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39% off
Ancor Marine Tinned Copper Battery Cable
$2.05 - $707.33$1.25 - $636.68 -
9% offSeachoice Tinned Copper Battery Cable Terminals
$9.17 - $203.46$9.17 - $203.46 -
Victron Energy Smart BatteryProtect - 6-35V DC
$74.50 - $146.06 -
9% off
Ancor Marine Battery Cable Assembly with Lugs
$26.43 - $50.26$23.85 - $45.30 -
NOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$206.34 -
Blue Sea Systems Dual PowerPost Cable Connectors
$33.70 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$216.43 -
Blue Sea Systems CableCap Stud Insulators
$6.12 - $9.11 -
NOCO Group 24 Battery Box - BG24
$22.68 -
NOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$199.44 -
NOCO Group 27 Battery Box - BG27
$22.69 -
Blue Sea Systems Powerpost Cable Connector
$21.60 - $22.98 -
Battle Born Deep Cycle Battery - Group 31
$1,034.35 - $1,310.35 -
Sierra Battery Cable
$21.05 - $95.82 -
Attwood PowerGuard Battery Box
$15.44 - $24.44 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$37.86 -
Ancor Lead Battery Terminal Set - 260325
$14.08 -
Ancor Tinned Brass Battery Terminal Set - 260322
$46.12 -
Attwood Heavy-Duty Battery Tray
$18.83 - $24.76 -
NOCO Group U1 Battery Box - BGU1
$18.54 -
Seachoice Battery Box
$27.58 - $33.72 -
Blue Sea Systems Dual Post I/O Cable Caps - 4018
$12.51 -
NOCO Group 24 - 31 Battery Box - BG31
$24.07 -
Noco Group 24 Battery Box Strap - 48" - BS48
$9.44 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$27.66 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 27 Battery - 042232
$35.10 -
Cannon Replacement Battery End Cable - 1903017
$55.78 -
19% offBlue Sea Systems Powerpost Plus Cable Connector
$37.84 - $39.22$30.39 - $39.22 -
Seachoice Post Top Style Battery Terminal
$10.85 - $13.69 -
Sea-Dog Heavy Duty Battery Box Strap - 415082-1
$16.16 -
NOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$315.41 -
NOCO Marine Grade Plastic Battery Tray - Group 27 or 31 Battery - BT27
$10.18 -
T-H Marine Battery Holder Tray with Stainless Buckle
$26.83 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$43.38 -
Victron Energy BatteryProtect - 6-35V DC
$51.04 - $121.44 -
Blue Sea Systems Rotating CableCap Insulators - 4001
$11.11 -
Blue Sea Systems Straight Terminal Cable Caps
$10.00 - $11.36 -
NOCO Group 31 Battery Tray - BT31
$11.62 -
Sierra Marine Rated Battery Fuse Mounting Bar - FS84240
$37.84 -
Seachoice Tinned Copper Battery Cable Assembly
$27.20 - $68.20 -
Sea-Dog Battery Terminal Covers (2-Pack)
$10.73 - $12.12 -
NOCO Marine Grade Plastic Battery Tray - Group 24 Battery - BT24
$9.79 -
9% offMarinco Battery Direct Connect - 12VTR
$27.99$25.26 -
Blue Sea Systems Stud Mount Insulating Boots (2-Pack) - 4000
$8.93 -
Blue Sea Systems PowerPost Insulator - 4004
$7.19 -
Blue Sea Systems Mini Powerpost Cable Connector
$14.78 -
Blue Sea Systems Dual Entry Cable Cap
$16.12 -
Attwood Heavy-Duty Adjustable Battery Tray
$16.04