Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before.
Brand:
ES#:
4031177
Mfg#:
GENIUS5
In Stock
22% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$89.99
This product was last offered at the strikethrough price on 10-24-2026
Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades.
10X Entries Into Our F80 M3 Sweepstakes Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
Brand:
ES#:
4460528
Mfg#:
1J0973723G-KIT
Ships on Jan 11, 2027
ON SALE!
SAVE 25%
$26.99
This product was last offered at the strikethrough price on 06-13-2026
Similar to the G4, just better. It's 40% smaller and delivers 140% more power. It's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
Brand:
ES#:
4364629
Mfg#:
GENIUS2X4
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$249.99
This product was last offered at the strikethrough price on 10-24-2026
This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 8.0L engine or less and diesel vehicles up to 6.0L, up to 40 times on a single charge.
Brand:
ES#:
4055329
Mfg#:
NOCGB70
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$249.99
This product was last offered at the strikethrough price on 10-24-2026
A three-bank onboard battery charger rated at 15-amps (5-amps per bank) for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.
Brand:
ES#:
4355164
Mfg#:
GEN5X3
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$249.95
This product was last offered at the strikethrough price on 10-24-2026
Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades.
10X Entries Into Our F80 M3 Sweepstakes Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
Brand:
ES#:
4460527
Mfg#:
8E0973703B-KIT
In Stock
ON SALE!
SAVE 86%
$25.99
This product was last offered at the strikethrough price on 05-02-2026
The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C).
With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.
Lifetime Replacement
