Batteries, Chargers & Accessories

Marine batteries and chargers provide reliable starting and house power with charging systems designed for boat use. Shop batteries, chargers, and accessories built for the demands of saltwater and vibration.

238 products

Showing 25 - 48 of 238 products

Showing 25 - 48 of 238 products
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Blue Sea Systems SI-Series 120 Amp Automatic Charging Relay ACR, 7610
Blue Sea Systems Blue Sea Systems SI-Series 120 Amp Automatic Charging Relay ACR, 7610SKU: 202246
$145.95
Attwood Marine Standard Battery Box
Attwood Attwood Marine Standard Battery BoxSKU: 16885
$12.36
ProMar1 DS Digital 5 Amp, 1 Bank Charger - 31505
ProMariner ProMar1 DS Digital 5 Amp, 1 Bank Charger - 31505SKU: 575392
$111.94
e-Series 350A Battery Switch Off/On, Retail Pack
Egis e-Series 350A Battery Switch Off/On, Retail PackSKU: 576971
$46.50
m-Series 300A Battery Switch Off/On, Knob Actuator, Retail Packm-Series 300A Battery Switch Off/On, Knob Actuator, Retail Pack
Egis m-Series 300A Battery Switch Off/On, Knob Actuator, Retail PackSKU: 576966
$35.70
Perko, Main Battery Disconnect Switches, Medium Duty, Ignition Protected
Perko Perko, Main Battery Disconnect Switches, Medium Duty, Ignition ProtectedSKU: 532118-NoKeyLock
$70.70
Blue Sea Systems, Standard Battery Cable Caps
Blue Sea Systems Blue Sea Systems, Standard Battery Cable CapsSKU: 531414-1,2,4AWG-REDBLK
From $6.00
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Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off, w/ Key
Blue Sea Systems Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off, w/ KeySKU: 531391-RED
$32.95
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Cable Cap Dual Post 1/O Blk
Blue Sea Systems Cable Cap Dual Post 1/O BlkSKU: 567338
$2.15
Dual PowerPost Cable Connectors, 3/8" Studs, with Insulators
Blue Sea Systems Dual PowerPost Cable Connectors, 3/8" Studs, with InsulatorsSKU: 243481
$24.50
Sea-Dog, PVC Battery Terminal Covers, Red & Black 1/2" (Pair)Sea-Dog, PVC Battery Terminal Covers, Red & Black 1/2" (Pair)
Sea-Dog Sea-Dog, PVC Battery Terminal Covers, Red & Black 1/2" (Pair)SKU: 469688
$12.43
Blue Sea Dual 5/16" - 18 studs PowerPost with Insulators, p/n 2016
Blue Sea Systems Blue Sea Dual 5/16" - 18 studs PowerPost with Insulators, p/n 2016SKU: 243480
$24.50
Sea-Dog, PVC Battery Terminal Covers, Red & Black, 5/8" (Pair)Sea-Dog, PVC Battery Terminal Covers, Red & Black, 5/8" (Pair)
Sea-Dog Sea-Dog, PVC Battery Terminal Covers, Red & Black, 5/8" (Pair)SKU: 561674
$8.50
Attwood Battery Selector Switch 4 WayAttwood Battery Selector Switch 4 Way
ATTWOOD MARINE - SEAWARD Attwood Battery Selector Switch 4 WaySKU: 561972
$37.51
Battery Isolator, 165 Amp, BI 2-165
STERNDRIVE ENGINEERING Battery Isolator, 165 Amp, BI 2-165SKU: 11825
$283.80
Battery Isolator, 130 Amp, BI 2-130A
STERNDRIVE ENGINEERING Battery Isolator, 130 Amp, BI 2-130ASKU: 115777
$195.80
Perko Compact Battery Selector Switch without Key Lock
Perko Perko Compact Battery Selector Switch without Key LockSKU: 240753
$83.95
Perko, Battery Selector Switch, Heavy Duty, Alternator Field Disconnect.Perko, Battery Selector Switch, Heavy Duty, Alternator Field Disconnect.
Perko Perko, Battery Selector Switch, Heavy Duty, Alternator Field Disconnect.SKU: 16404
$197.91
Perko Battery Selector Switches, Medium Duty, without Key Lock
Perko Perko Battery Selector Switches, Medium Duty, without Key LockSKU: 16402
$86.99
ChargeMaster Plus 24/30-3
Mastervolt ChargeMaster Plus 24/30-3SKU: 567359
$1,175.99
Marinco On-Board 2 Bank Battery Charger, 10A (5/5), 12/24V 120V Input
Marinco Marinco On-Board 2 Bank Battery Charger, 10A (5/5), 12/24V 120V InputSKU: 478126
$209.07
Blue Sea Systems, e-Series On/Off, 2 Position Battery Switch, 9003e
Blue Sea Systems Blue Sea Systems, e-Series On/Off, 2 Position Battery Switch, 9003eSKU: 93867
$44.13
Blue Sea Systems, m-Series Battery Selector Switch, 4 Position, BlackBlue Sea Systems, m-Series Battery Selector Switch, 4 Position, Black
Blue Sea Systems Blue Sea Systems, m-Series Battery Selector Switch, 4 Position, BlackSKU: 565238
$52.84
Mini Add-A-Battery Kit, Battery Bank Management Set, 65A
Blue Sea Systems Mini Add-A-Battery Kit, Battery Bank Management Set, 65ASKU: 466750
$149.47

Marine Batteries, Chargers & Accessories

Keep your vessel powered and ready with Go2marine’s Batteries, Chargers & Accessories collection—your trusted source for reliable marine electrical solutions. Whether you're maintaining a fishing boat, sailboat, or yacht, this category offers everything needed to store, charge, and manage onboard power efficiently and safely.

Featured Product Categories:


  • Marine Battery Chargers: Choose from trickle chargers, onboard multi-bank chargers, and smart charging systems designed to extend battery life and ensure optimal performance during every voyage. [go2marine.com]

  • Battery Boxes & Straps: Protect your batteries from moisture, vibration, and shifting with rugged, corrosion-resistant boxes and secure mounting straps. [go2marine.com]

  • Battery Selector Switches: Easily manage multiple battery banks with high-quality switches that allow seamless transitions between power sources.

  • Battery Isolators: Prevent battery drain and ensure proper charging across multiple systems with isolators built for marine and RV use.

  • Battery Terminals & Lugs: Ensure solid, corrosion-resistant connections with marine-grade terminals, lugs, and wiring accessories.

  • Battery Accessories: Includes testers, monitors, cables, and maintenance tools to keep your electrical system running smoothly.

Trusted Marine Brands

Go2marine features top-tier manufacturers like Blue Sea Systems, Perko, Xantrex, and NOCO, known for their durability and performance in marine environments. [go2marine.com]

Why Shop Marine Batteries & Chargers at Go2marine?

  • Marine-Grade Reliability: All products are built to withstand saltwater, vibration, and extreme temperatures.
  • Wide Selection: From basic battery boxes to advanced charging systems, find everything you need in one place.
  • Expert Support: Get help choosing the right setup for your boat’s electrical system from knowledgeable marine specialists.

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