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Chargers, Inverters & Accessories

3 - 10 Amp Battery Chargers
3 - 10 Amp Battery Chargers 

11 - 15 Amp Battery Chargers
11 - 15 Amp Battery Chargers 

16 - 25 Amp Battery Chargers
16 - 25 Amp Battery Chargers 

26 - 35 Amp Battery Chargers
26 - 35 Amp Battery Chargers 

36 - 45 Amp Battery Chargers
36 - 45 Amp Battery Chargers 

46 - 100 Amp Battery Chargers
46 - 100 Amp Battery Chargers

Battery To Battery Chargers
Battery To Battery Chargers  

Battery Maintainer
Battery Maintainer

Battery Charger Accessories
Battery Charger Accessories  

Battery Combiners
Battery Combiners

Inverter / Charger Combos
Inverter / Charger Combos

Modified Sine Inverters
Modified Sine Inverters

Portable Power Inverters
Portable Power Inverters

Pure Sine Inverters
Pure Sine Inverters

Inverter Accessories
Inverter Accessories

Isolators / Transformers / Boosters
Isolators / Transformers / Boosters

Isolator Accessories
Isolator Accessories

Power packs & Battery Jump Starters
Power packs & Battery Jump Starters

Handheld Charging Accessories
Handheld Charging Accessories

Universal USB Accessories
Universal USB Accessories


Featured Brands


Defender offers great deals on a large array of Marine Battery Chargers, Pure Sine and Modified Sine Wave Power Inverters and Accessories, including Combiners, Isolators, Transformers and Boosters from top brands like ProMariner, Xantrex, Charles, Go Power, Sterling Power, and Marinco / Guest. For on the water emergency situations, we also stock Power Packs and Battery Jump Starters, to help get you out of a jam!

ProMariner Inverters and Chargers
Xantrex Inverters and Chargers
Charles Inverters and Chargers
Go Power Inverters and Chargers
Sterling Power Chargers
Guest Electronics