Welcome to Defender Canada! 
Batteries & Accessories
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9% off
Ancor Marine Tinned Copper Battery Cable - 4/0 AWG
$16.32 - $3,232.66$16.32 - $3,232.66 -
9% off
Ancor Marine Tinned Copper Battery Cable - 2 AWG
$5.80 - $1,855.09$5.80 - $1,855.09 -
9% off
Ancor Marine Tinned Copper Battery Cable - 4 AWG
$3.88 - $1,465.91$3.88 - $1,465.91 -
9% off
Ancor Marine Tinned Copper Battery Cable - 2/0 AWG
$10.81 - $1,781.80$10.81 - $1,781.80 -
9% off
Ancor Marine Tinned Copper Battery Cable - 6 AWG
$2.91 - $233.29$2.91 - $233.29 -
Ancor Marine Tinned Copper Battery Cable - 3/0 AWG
$676.12 - $1,945.33 -
14% off
Ancor Marine Battery Cable Assembly with Lugs
$26.99 - $51.34$23.03 - $46.27 -
Blue Sea Systems Dual PowerPost Cable Connectors
$35.83 -
Seachoice Tinned Copper Battery Cable Terminals
$9.97 - $222.38 -
NOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$203.76 -
Victron Energy Smart BatteryProtect - 6-35V DC
$81.39 - $159.63 -
NOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$210.81 -
Blue Sea Systems Powerpost Cable Connector
$22.26 - $23.47 -
9% off
Blue Sea Systems CableCap Stud Insulators
$6.24 - $9.30$5.89 - $9.30 -
Victron Energy Lynx Smart Battery Management System
$1,368.95 - $1,616.46 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$236.56 -
NOCO Group 24 Battery Box - BG24
$23.16 -
9% off
Ancor Marine Tinned Copper Battery Cable - 1/0 AWG
$9.07 - $1,891.78$9.07 - $1,891.78 -
Attwood PowerGuard Battery Box
$16.42 - $26.07 -
NOCO Group 27 Battery Box - BG27
$23.17 -
NOCO Group 24 - 31 Battery Box - BG31
$24.61 -
Ancor Tinned Brass Battery Terminal Set - 260322
$50.37 -
NOCO Group U1 Battery Box - BGU1
$18.93 -
Seachoice Battery Box
$30.10 - $36.81 -
Sierra Battery Cable
$21.49 - $99.30 -
Blue Sea Systems Dual Post I/O Cable Caps - 4018
$12.77 -
Ancor Lead Battery Terminal Set - 260325
$15.34 -
Seachoice Battery Tray with Strap and Stainless Steel Buckle
$25.27 - $33.77 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$28.25 -
NOCO Marine Grade Plastic Battery Tray - Group 27 or 31 Battery - BT27
$10.38 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$45.70 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$47.13 -
9% offBlue Sea Systems Mini Powerpost Cable Connector
$15.09$13.64 - $15.22 -
14% offBlue Sea Systems Powerpost Plus Cable Connector
$38.65 - $40.06$34.14 - $40.06 -
Attwood Heavy-Duty Battery Tray
$21.42 - $28.23 -
Ancor Marine Tinned Copper Battery Cable - 1 AWG
$7.66 - $1,809.97 -
Blue Sea Systems Rotating CableCap Insulators - 4001
$11.34 -
Noco Group 24 Battery Box Strap - 48" - BS48
$10.27 -
Seachoice Battery Terminal - 13661
$23.98 -
Seachoice Motorwell Boot
$13.24 - $18.39 -
Sea-Dog PVC Battery Terminal Cover
$4.37 -
6% off
Ancor Marine Tinned Copper Battery Cable - 8 AWG
$2.08$1.94 -
Ancor Tinned Copper Flat Signal Cable
$22.51 - $71.10 -
Megaware BatteryGuard Shock Absorber Pad - 40131
$30.70 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$38.67 -
9% offNOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$322.25$290.10 -
NOCO Marine Grade Plastic Battery Tray - Group 24 Battery - BT24
$9.99 -
14% offMarinco Battery Direct Connect - 12VTR
$28.59$24.40