Welcome to Defender Canada! 
Batteries & Accessories
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Attwood Low Profile Adjustable Battery Tray
$13.40 - $14.49 -
Seachoice Battery Terminal Cover (2-Pack)
$10.53 - $11.72 -
Seachoice Battery Tray with Strap and Stainless Steel Buckle
$23.16 - $30.94 -
Megaware BatteryGuard Shock Absorber Pad - 40131
$28.13 -
Sea-Dog PVC Battery Terminal Cover
$4.29 -
NOCO Marine Grade Snap-Top Battery Box - Single 6V Battery - HM306BK
$22.71 -
T-H Marine Battery Hold Down Tray
$18.48 -
T-H Marine Optima Battery Tray - NBH-31-SSC-OPT
$41.98 -
Blue Sea Systems Standard Cable Caps
$10.35 -
Attwood Battery Tray with Straps
$12.49 - $13.03 -
NOCO Battery Box Strap - 48" - BS48R
$14.38 -
Seachoice Motorwell Boot
$13.31 - $18.47 -
Seachoice Battery Clip (2-Pack) - 13651
$8.82 -
Seachoice Battery Terminal - 13661
$22.03 -
Seachoice Battery Tray for Optima 27/31 - 21951
$18.39 -
Seachoice Dual Battery Tray with Poly Strap - 22046
$36.46 -
Seachoice Battery Terminal Wing Nut
$10.80 - $48.88 -
Seachoice Battery Terminal - Clamp Style
$17.10 - $36.46 -
Seachoice Premium Battery Tray
$33.72 - $48.90 -
Seachoice Battery Tray
$22.04 - $23.31 -
Seachoice Battery Tray with Strap
$19.86 - $22.89 -
Sea-Dog Battery Terminal Cap - 415194-1
$7.84 -
NOCO Commercial Marine Grade Dual Battery Box - Holds (2) 6V Batteries - HM426
$207.72 -
T-H Marine LED Battery Tester - BE-EL-51004-DP
$25.68 -
Victron Energy LiFePO4 VE.Bus BMS Battery - 12-48V DC - BMS300200000
$162.47 -
Victron Energy Smart BMS CL 12/100 Battery Management System - BMS110022000
$209.42 -
Victron Energy Smart BMS 12/200 Battery Management System - BMS210055000
$322.04 -
Victron Energy Smart LiFePO4 Battery SmallBMS - BMS400100000
$68.63 -
Todd Marine Grade Battery Box - Group 4D Battery - 10-12000
$207.70 -
Xantrex DC Battery Cables and Fuse
$251.01 - $434.58 -
NOCO Boost HD Precision Clamps - GBC003
$41.94 -
NOCO XL X-Connect Battery Clamp Connector - GC014
$38.99 -
NOCO 12V Plug with Battery Clamps - GC017
$20.48 -
NOCO 12V Plug with Eyelets - GC018
$17.46 -
NOCO Dual L16 Commercial Grade Battery Box - HM462
$221.44 -
NOCO Single Battery Box - 6V - BG6V
$19.92 -
NOCO GENIUSPRO Battery Clamps with Eyelets
$174.83 - $238.34 -
NOCO Battery Treatment Kit Step 1 & 2 - M401
$30.12 -
NOCO Battery Treatment Kit Step 2 - MC101
$16.83 -
NOCO Battery Corrosion Terminal Protectors - MC303
$5.01 -
Victron Energy Lynx Smart Battery Management System
$1,252.22 - $1,478.62 -
Victron Energy Lynx Smart Battery Management System NG
$1,109.12 - $1,478.62 -
Seachoice Clamp Style Coated Battery Terminal
$11.89 -
12% offXantrex Lithium Ion Battery - 50Ah
$1,143.62 - $1,661.91$995.96 - $1,514.25 -
Battle Born Dragonfly Intelligence Hub
$233.84 -
Battle Born Deep Cycle Battery - Group 24 - BB1275
$896.32 -
Battle Born Smart Deep Cycle Battery - Group 31
$1,241.35 - $1,380.72 -
Battle Born Deep Cycle Battery - Group GC2
$1,034.35 - $1,310.35