Welcome to Defender Canada! 
Batteries & Accessories
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Blue Sea Systems Powerpost Cable Connector
$21.15 - $22.50 -
NOCO Group 24 Battery Box - BG24
$22.20 -
NOCO Group 27 Battery Box - BG27
$22.21 -
NOCO Marine Grade Snap-Top Battery Box - Single 6V Battery - HM306BK
$22.24 -
Sea-Dog Heavy Duty Battery Box Strap - 415082-1
$22.63 -
9% off
Ancor Marine Battery Cable Assembly with Lugs
$25.87 - $49.18$23.35 - $49.18 -
NOCO Group 24 - 31 Battery Box - BG31
$23.56 -
Seachoice Battery Box
$23.64 - $26.51 -
9% offMarinco Battery Direct Connect - 12VTR
$27.40$24.72 -
Seachoice Premium Battery Tray
$24.94 - $35.70 -
T-H Marine LED Battery Tester - BE-EL-51004-DP
$25.14 -
T-H Marine Battery Holder Tray with Stainless Buckle
$26.26 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 24 Battery - 042215
$27.07 -
Seachoice Dual Battery Tray with Poly Strap - 22046
$27.52 -
Megaware BatteryGuard Shock Absorber Pad - 40131
$27.53 -
Seachoice Tinned Copper Battery Cable Assembly
$27.58 - $66.73 -
NOCO Battery Treatment Kit Step 1 & 2 - M401
$29.47 -
19% offBlue Sea Systems Powerpost Plus Cable Connector
$37.03 - $38.38$29.74 - $38.38 -
Blue Sea Systems Dual PowerPost Cable Connectors
$32.98 - $34.33 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 27 Battery - 042232
$34.35 -
Sierra Marine Rated Battery Fuse Mounting Bar - FS84240
$37.03 -
Moeller Marine Grade Molded Plastic Battery Tray - Group 29 or 31 Battery - 042216
$37.05 -
NOCO XL X-Connect Battery Clamp Connector - GC014
$38.15 -
NOCO Boost HD Precision Clamps - GBC003
$41.04 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$41.08 -
T-H Marine Dual Battery Holder Tray with Poly Strap - DBH-27P-DP
$42.45 -
Ancor Tinned Brass Battery Terminal Set - 260322
$45.13 -
Victron Energy BatteryProtect - 6-35V DC
$49.94 - $118.81 -
Cannon Replacement Battery End Cable - 1903017
$54.58 -
Victron Energy Smart LiFePO4 Battery SmallBMS - BMS400100000
$67.15 -
Victron Energy Smart BatteryProtect - 6-35V DC
$72.89 - $142.90 -
19% offNOCO Commercial Marine Grade Battery Box - Group 4D Battery - HM408
$195.12$156.24 -
Victron Energy LiFePO4 VE.Bus BMS Battery - 12-48V DC - BMS300200000
$158.95 -
NOCO GENIUSPRO Battery Clamps with Eyelets
$171.05 - $233.17 -
14% offNOCO Commercial Marine Grade Battery Box - Group 8D Battery - HM484
$201.87$171.69 -
9% offNOCO Commercial Marine Grade Dual Battery Box - Holds (2) 6V Batteries - HM426
$203.22$182.97 -
Todd Marine Grade Battery Box - Group 4D Battery - 10-12000
$201.85 -
Victron Energy Smart BMS CL 12/100 Battery Management System - BMS110022000
$204.88 -
Victron Energy LiFePO4 VE.Bus BMS V2 Battery - 12-48V DC - BMS300200200
$211.74 -
NOCO Dual L16 Commercial Grade Battery Box - HM462
$216.64 -
Battle Born Dragonfly Intelligence Hub
$228.77 -
Xantrex DC Battery Cables and Fuse
$258.46 - $447.49 -
14% offNOCO Commercial Marine Grade Dual Battery Box - 2 Group 8D Batteries - HM485
$308.57$262.40 -
Victron Energy Smart BMS 12/200 Battery Management System - BMS210055000
$315.05 -
Battle Born Deep Cycle Battery - Group 24 - BB1275
$876.85 -
12% offXantrex Lithium Ion Battery - 50Ah
$1,118.78 - $1,625.80$974.33 - $1,481.35 -
Battle Born Deep Cycle Battery - Group 31
$1,011.88 - $1,541.80 -
Victron Energy Lynx Smart Battery Management System NG
$1,085.02 - $1,446.49