ReviewsMarine Cranking Batteries

Schumacher PSJ-4424 DSR ProSeries 4400 Peak Amps Jump Starter and Portable Power Unit

4400 peak amps, 500 cranking amps and 415 cold cranking amps.
Two 22 Ah professional grade high output AGM batteries act as an additional portable power source.
Heavy duty clamps have replaceable copper jaws.

Extended cold cranking amps delivery means more power for today's demanding electronics.
Group 51P battery with 325 CCA (cold cranking amps) and 60 R.C. (reverse capacity).
20x the vibration resistance of conventional batteries.
Superior vibration resistance, optimized component compression ,and fortified posts, straps and welds.
Superior corrosion resistance sealed housing with manifold venting system.

1, 400 cold Cranking amps in 12 volt mode.
Automatic 7 amp x 2 channel battery charging system.
Jump Start High Displacement Vehicles, Class 8 Semi Trucks, Construction Equipment and Farm Implements..
Ships with (2) group 31 AGM batteries installed.

Extended cold cranking amps delivery means more power for today's demanding electronics.
Group 65 battery with 750 CCA (cold cranking amps) and 150 R. C. (reverse capacity).
20x the vibration resistance of conventional batteries.
Superior vibration resistance, optimized component compression , and fortified posts, straps and welds.

Extended cold cranking amps delivery means more power for today's demanding electronics.
Group 24F / 43R (reverse terminal) battery with 775 CCA (cold cranking amps) and 120 R.C. (reverse capacity).
20x the vibration resistance of conventional batteries.
Superior vibration resistance, optimized component compression ,and fortified posts, straps and welds.
Superior corrosion resistance sealed housing with manifold venting system.

Simplifies switching. Isolates engine and house circuits. Combines batteries for emergency starting.
Tin-plated copper studs for maximum conductivity and corrosion resistance.
12/24 Volt DC 120 Amp Automatic Charging Relay (PN 7610) automatically combines batteries during charging. Isolates batteries during engine cranking and when not charging.
Includes E-series dual circuit plus battery switch (PN 5511E).
Shares the charge between two batteries more efficiently than a battery isolator.

Operation: 1-2-both-off, 4 position, 200A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec).
Stud Size: 3 x 5/16" (8mm), 3 mounting screw holes (8mm diameter) for 8-10MM screw connection (not included mounting hardware).
The patented contour locking system, allowing it to be a stand alone unit, or locked together with other switches to isolate and secure the electrical system, offers a simple economic way of separating two batteries.
This battery cut shut off kill switch has four removable side plates. The rear cover insulating the rear terminals against any short circuits. Equipped with 4 sets of bolts.
Ignition-protected. ABS plastic housing, durable made for safety use.
Widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and other 0 up to 60V Devices.
1 Year Warranty--a replacement or refund is guaranteed.

✅【6 & 12 Volts battery tester】Most battery testers on the market can only test 12v battery. As the upgraded version of BA101 ,BA301 car battery tester can works on all 6V and 12V lead-acid batteries from 100 to 2000 CCA, including regular flood batteries, AGM flat batteries, AGM spiral batteries, GEL and EFB batteries. The perfect automotive battery testers to diagnose the batteries of vehicles, cars,motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers and even golf carts.etc..
✅【The Best Accurate Battery Test】Our battery load tester adops the state-of-the-art conductance testing technology in the world ,testing result up to 99.99% accuracy, in the word to easily,quickly and accurately measure the Actual cold start current performance of vehicle batteries,healthy state of the battery, and common fault of the vehicle starting system and charging system,BA301 provides you with accurate test results in seconds,can help people to find the find the problem accurately..
✅【One-key Waveform Analysis】The one-click "Waveform" function allows you to plot the voltage changes (current-voltage, maximum voltage, and minimum voltage) during ignition on a graph with one click. For the beginners, the exclusive function helps to track the real-ti....

3 Year Warranty | Advanced LifePo4 Technology provides the Lightest, Highest CCA, and Longest Lasting Battery Possible.
Replaces Group 31 Marine, RV Solar, Sailing battery applications. Dual Purpose, 1200CCA and Deep Cycle capabilities.
Advanced Capabilities – True Marine Dual Post Terminals, Emergency Start Function, Built In Voltage Meter, BMS System, Patent Pending.
Specifications – Voltage: 12 | Amp Hours: 100 | Chemistry: Lithium-Iron Phosphate (LiFeP04) | Cold Cranking Amps: 1200 Group Size: BCI: 31 | Dimensions: L – 12.99 x W – 6.81 x H – 8.66 | Weight: 24.2 lb – Must use only Lithium Ion, LifePo4 Charger.
“It’s not a Battery, It’s a Banshee”.

Voltage: 12.8 | W/Hr: 160 | Cranking Amps: 625.
Extreme Light Weight - Weighs only 6.3 lbs compared to most 30L-BS batteries which can weigh up to 25 lbs.
Flush Terminal Design - Flush terminals for better compatibility with Harley motorcycles.
2 Year Warranty | Free Shipping To US Inner 48.

Replaces Optima 34M 8016-103 SC34DM Marine Battery.
Voltage: 12 | Amp Hours: 66 | Cold Cranking Amps: 750 | Group Size: BCI: 34.
Flip-Up Carrying Handle, Dual Post Terminals, Hydrometer Battery Life Indicator.