Welcome to Defender Canada! 
Batteries & Accessories
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Ancor Marine Tinned Copper Battery Cable
$1.99 - $643.17 -
9% off
Ancor Marine Battery Cable Assembly with Lugs
$26.16 - $50.22$26.16 - $50.22 -
Blue Sea Systems Powerpost Cable Connector
$22.56 -
Blue Sea Systems Dual PowerPost Cable Connectors
$35.62 -
Victron Energy Smart BatteryProtect - 6-35V DC
$78.78 - $154.49 -
Blue Sea Systems CableCap Stud Insulators
$5.05 - $6.18 -
Victron Energy Lynx Smart Battery Management System
$1,324.78 - $1,824.91 -
Todd Universal Marine Grade Battery Box - 10-10187
$142.27 -
Ancor Lead Battery Terminal Set - 260325
$13.96 -
Seachoice Tinned Copper Battery Cable Terminals
$9.77 - $245.87 -
T-H Marine Battery Holder Tray with Stainless Buckle
$27.71 -
NOCO Marine Grade Plastic Battery Tray - Group 27 or 31 Battery - BT27
$10.73 -
Ancor Tinned Brass Battery Terminal Set - 260322
$45.89 -
Blue Sea Systems Dual Entry Cable Cap
$13.86 -
Attwood PowerGuard Battery Box
$16.30 - $25.82 -
Seachoice Tinned Copper Battery Cable Assembly
$28.21 - $91.10 -
Marinco Battery Direct Connect - 12VTR
$29.58 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$228.94 -
NOCO Marine Grade Plastic Battery Tray - Group 24 Battery - BT24
$10.32 -
Blue Sea Systems Mini Powerpost Cable Connector
$15.40 -
Attwood Heavy-Duty Battery Tray
$20.22 - $26.54 -
Victron Energy Smart BMS 12/200 Battery Management System - BMS210055000
$340.67 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$42.92 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$44.40 -
NOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$218.26 -
NOCO Marine Grade Snap-Top Battery Box - Group 24 Battery - HM300BK
$21.07 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$27.78 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$38.56 -
Blue Sea Systems Stud Mount Insulating Boots (2-Pack) - 4000
$8.78 -
Blue Sea Systems PowerPost Insulator - 4004
$5.94 -
9% offBlue Sea Systems Powerpost Plus Cable Connector
$40.00 - $41.46$36.06 - $41.46 -
Blue Sea Systems Rotating CableCap Insulators - 4001
$9.23 -
NOCO Group U1 Battery Box - BGU1
$19.58 -
Seachoice Battery Terminal - Clamp Style
$14.16 - $38.08 -
Seachoice Battery Tray with Strap
$17.16 -
Seachoice Motorwell Boot
$11.89 - $16.22 -
Seachoice Post Top Style Battery Terminal
$11.31 - $12.29 -
Sierra Marine Rated Battery Fuse Mounting Bar - FS84240
$44.38 -
T-H Marine Battery Hold Down Tray
$19.52 -
NOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$210.96 -
NOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$333.65 -
38% offNOCO Marine Grade Snap-Top Battery Box - Single 6V Battery - HM306BK
$24.58$15.00 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 27 Battery - 042232
$34.96 -
Blue Sea Systems Dual Post I/O Cable Caps - 4018
$9.10 -
Blue Sea Systems Straight Terminal Cable Caps
$8.54 -
NOCO Battery Box Strap - 48" - BS48R
$15.18 -
Attwood Battery Tray with Straps
$13.44 - $14.00 -
Attwood Heavy-Duty Adjustable Battery Tray
$16.94