Welcome to Defender Canada! 
Batteries & Accessories
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Blue Sea Systems CableCap Stud Insulators
$6.24 - $9.30 -
Blue Sea Systems Dual Post I/O Cable Caps - 4018
$12.77 -
Blue Sea Systems Powerpost Cable Connector
$22.06 - $23.47 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$28.25 -
Ancor Marine Tinned Copper Battery Cable - 1 AWG
$7.66 - $1,809.97 -
Attwood Heavy-Duty Battery Tray
$19.22 - $25.28 -
Attwood PowerGuard Battery Box
$15.76 - $24.95 -
Seachoice Battery Tray for Optima 27/31 - 21951
$21.97 -
Noco Group 24 Battery Box Strap - 48" - BS48
$9.64 -
Seachoice Tinned Copper Battery Cable Terminals
$9.35 - $207.87 -
NOCO Group 24 Battery Box - BG24
$23.16 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$44.31 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 27 Battery - 042232
$35.85 -
Blue Sea Systems Dual PowerPost Cable Connectors
$34.42 - $35.83 -
Blue Sea Systems Rotating CableCap Insulators - 4001
$11.34 -
Todd Marine Grade Battery Box - Group 4D Battery - 10-12000
$212.20 -
Victron Energy LiFePO4 VE.Bus BMS Battery - 12-48V DC - BMS300200000
$165.99 -
Victron Energy Smart BMS CL 12/100 Battery Management System - BMS110022000
$213.96 -
Victron Energy Smart BMS 12/200 Battery Management System - BMS210055000
$329.03 -
Victron Energy Smart LiFePO4 Battery SmallBMS - BMS400100000
$70.11 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$221.12 -
Victron Energy BatteryProtect - 6-35V DC
$52.13 - $124.06 -
Victron Energy Smart BatteryProtect - 6-35V DC
$76.10 - $149.22 -
Cannon Replacement Battery End Cable - 1903017
$65.44 -
T-H Marine Battery Hold Down Tray
$18.87 -
T-H Marine Battery Holder Tray with Stainless Buckle
$27.40 -
T-H Marine LED Battery Tester - BE-EL-51004-DP
$26.22 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$42.88 -
Blue Sea Systems Mini Powerpost Cable Connector
$15.09 -
19% offBlue Sea Systems Powerpost Plus Cable Connector
$38.65 - $40.06$31.04 - $40.06 -
9% offMarinco Battery Direct Connect - 12VTR
$28.59$25.79 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$38.67 -
NOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$203.76 -
NOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$210.81 -
NOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$322.25 -
NOCO Commercial Marine Grade Dual Battery Box - Holds (2) 6V Batteries - HM426
$212.22 -
NOCO Marine Grade Plastic Battery Tray - Group 24 Battery - BT24
$9.99 -
NOCO Marine Grade Plastic Battery Tray - Group 27 or 31 Battery - BT27
$10.38 -
NOCO Marine Grade Snap-Top Battery Box - Single 6V Battery - HM306BK
$23.19 -
Ancor Lead Battery Terminal Set - 260325
$14.37 -
9% off
Ancor Marine Battery Cable Assembly with Lugs
$26.99 - $51.34$24.36 - $46.27 -
Ancor Tinned Brass Battery Terminal Set - 260322
$47.11 -
Victron Energy Lynx Smart Battery Management System
$1,279.43 - $1,510.75 -
9% off
Ancor Marine Tinned Copper Battery Cable - 1/0 AWG
$9.07 - $1,891.78$9.07 - $1,891.78 -
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 - 2/0 AWG
$10.81 - $1,781.80$10.81 - $1,781.80 -
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 - 4/0 AWG
$16.32 - $3,232.66$16.32 - $3,232.66