Top Marine Cranking Batteries

KONNWEI KW650 6V 12V Car Battery Tester, 100-2000 CCA Battery Load Tester Automotive Battery and Alternator Tester for Vehicles/Marine/Motorcycle/Lawn Mover

【6 & 12 Volts Battery Tester】 As the upgraded version of KW600, KW650 can test all 6V and 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. The perfect automotive battery testers to diagnose the batteries of car, boat, lawn mowers, etc. Perfect for Father's Day Gift..
【One-key Waveform Analysis】The exclusive function on KW650 battery analyzer is the voltage waveform analysis, for the beginners, it helps to track the real-time voltage changing to find the battery issue, for the professional repair store, it’s continuous voltage monitoring results can be uploaded to computer then compare it to achieve the analysis of in-car systems..
【 003e99.5% Accuracy】Thanks to KW650’s powerful STM-32 chip, it provides more than 99.5% precise testing reports within milliseconds(testing results refer to US Midtronics), greatly improved the testing speed compared to other battery testers. Besides KW650 is one of the few automotive battery and alternator testers that supports UPDATE function..
【Display Overall Batteries Data】Except give you the basic battery parameters such as voltage, internal resistance, cold cranking amp, battery health and charge status, KW650 load tester will also give professional ....

Extended cold cranking amps delivery means more power for today's demanding electronics.
Group 35 battery with 680 CCA (cold cranking amps) and 100 R. C. (reverse capacity).
20x the vibration resistance of conventional batteries and designed to perform in extreme temperatures.
Superior vibration resistance, optimized component compression , and fortified posts, straps and welds.
Superior corrosion resistance sealed housing with manifold venting system.

FOR 2 BATTERIES: The battery disconnect switch is suitable for 2 batteries. It can switch to battery 1/battery 2 separately or both and off together..
HEAVY-DUTY: The battery switch is made with 4 mounting screw holes(8mm diameter)for 8-10MM screw connection, can work with 200 Amps continuous rating, 300 Amps intermittent rating, 1000 Amp cranking rating, suitable for 12V to 48V DC systems to isolate and secure the electrical system..
EASY TO INSTALLATION: Refer to wiring diagram for installation, ABS plastic housing with waterproof, making it ideal for marine applications, rear cover insulates terminals against any short of circuits, equipped with 4 sets of bolts..
WIDELY APPLICATION: Ideal for ship boat small yacht RV camper truck car vehicle automobiles campers ATV UTV battery banks and other 12-48V devices..
WHAT YOU GET: The battery isolator disconnect switch comes with 1 x switch (4 side pads, back cover also including),4 x bolts, 2 x Battery Inverter Cable If there is any problem, welcome to contact us. It is promised with 180 days replacement or refund for the products..

... terminals against any short circuits. 4 Removable side plates provided access for battery cables.
【COMPATIBLE】This battery disconnect switch is used for DC 12 - 48V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch, simple and economical way to separate batteries.
【NO MORE BATTERY DRAIN】This battery isolator switch provides a reliable way to shut down electrical power during maintenance and protect batteries from excessive drain when vehicle or boat is not in use.
【WIDE APPLICATION】This battery kill switch is widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and other electrical equipment's switch, such as flashing light, chassis light, fog light, dome light.

Extended cold cranking amps delivery means more power for today's demanding electronics.
Group 48 battery with 760 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.

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.