Welcome to Defender Canada! 
Batteries & Accessories
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Ancor Marine Tinned Copper Battery Cable
$1.93 - $717.57 -
9% off
Ancor Marine Battery Cable Assembly with Lugs
$26.81 - $50.98$26.81 - $50.98 -
Seachoice Tinned Copper Battery Cable Terminals
$8.87 - $223.20 -
Blue Sea Systems Dual PowerPost Cable Connectors
$34.18 - $35.58 -
Ancor Tinned Brass Battery Terminal Set - 260322
$46.78 -
Blue Sea Systems Powerpost Cable Connector
$21.91 - $23.31 -
Victron Energy Smart BatteryProtect - 6-35V DC
$75.57 - $148.17 -
Attwood PowerGuard Battery Box
$15.65 - $24.78 -
Victron Energy Lynx Smart Battery Management System
$1,270.36 - $1,749.94 -
NOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$202.32 -
NOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$209.32 -
NOCO Group 24 - 31 Battery Box - BG31
$24.41 -
NOCO Group 24 Battery Box - BG24
$23.00 -
NOCO Group 27 Battery Box - BG27
$23.01 -
Noco Group 24 Battery Box Strap - 48" - BS48
$9.57 -
Ancor Lead Battery Terminal Set - 260325
$12.57 -
Attwood Heavy-Duty Battery Tray
$19.09 - $25.11 -
Seachoice Battery Box
$24.21 - $27.47 -
NOCO Marine Grade Plastic Battery Tray - Group 24 Battery - BT24
$9.92 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$219.56 -
Blue Sea Systems CableCap Stud Insulators
$6.20 - $9.24 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$26.66 -
NOCO Marine Grade Plastic Battery Tray - Group 27 or 31 Battery - BT27
$10.31 -
NOCO Group U1 Battery Box - BGU1
$18.80 -
Seachoice Tinned Copper Battery Cable Assembly
$27.09 - $90.18 -
Seachoice Motorwell Boot
$10.86 - $14.79 -
T-H Marine Battery Holder Tray with Stainless Buckle
$27.21 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$44.00 -
9% offTodd Universal Marine Grade Battery Box - 10-10187
$136.45$122.87 -
Blue Sea Systems Stud Mount Insulating Boots (2-Pack) - 4000
$9.05 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 27 Battery - 042232
$31.40 -
NOCO Marine Grade Snap-Top Battery Box - Group 24 Battery - HM300BK
$20.23 -
Sierra Marine Rated Battery Fuse Mounting Bar - FS84240
$36.98 -
Marinco Battery Direct Connect - 12VTR
$28.39 -
9% offT-H Marine Battery Hold Down Tray
$18.74$16.92 - $18.74 -
Blue Sea Systems PowerPost Insulator - 4004
$7.29 -
Blue Sea Systems Dual Post I/O Cable Caps - 4018
$12.68 -
Blue Sea Systems Mini Powerpost Cable Connector
$14.99 -
19% offBlue Sea Systems Powerpost Plus Cable Connector
$38.38 - $39.78$30.82 - $39.78 -
Blue Sea Systems Dual Entry Cable Cap
$16.35 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$37.00 -
NOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$319.97 -
38% offNOCO Marine Grade Snap-Top Battery Box - Single 6V Battery - HM306BK
$23.59$14.41 -
Attwood Battery Tray with Straps
$12.67 - $13.21 -
Attwood Heavy-Duty Adjustable Battery Tray
$16.26 -
Seachoice Battery Terminal - 13661
$18.18 -
Seachoice Battery Tray with Strap and Stainless Steel Buckle
$20.73 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$42.58