Best Cranking Charger

Schumacher DSR Pro Series DSR141G 2000 Peak Amp Jump Starter and DC Power Source in Limited Edition Green

POWERFUL PERFORMANCE: The unit delivers 2000 peak amps from a 12V high-output AGM battery, packing the muscle to jump start up to 10-cylinder gas and 8-cylinder diesel engines..
RUGGED AND RELIABLE: The internal battery can provide 325 cold cranking amps and 500 cranking amps, providing quick starting in emergencies. The sturdy build of the rust and corrosion-proof case and long, heavy-duty 4-gauge booster cables will ensure years of reliable power..
PORTABLE 12V DC POWER: The 12V DC port can be used to either power 12V devices or for recharging the jump starter in your vehicle on the way to your next destination..
EASY TO USE: Heavy-duty metal clamps allow for secure connections even for hard-to-reach batteries. The digital display shows the internal battery percentage or battery voltage at the touch of a button..
REVERSE HOOK-UP PROTECTION: With advanced reverse hook-up protection, the charger protects against damage if the clamps are not properly connected..

Voltmeter provides charge status of onboard battery.The ideal storage environment is room temperature, or 68ºF.
Built-in Automatic Charger. Industrial-grade clamps..

Perfect for a variety of professional starting environments, including automotive service, fleet service, auto dealerships, auto auctions, marinas, implement dealerships and more.
Give it a try and you'll see why it's the choice of Pros the world around 1700 Peak Amps 425 Cranking Amps Clore PROFORMER battery technology 46" #2 AWG welding cable leads Industrial-grade clamps.
Built-in charger Automatic charging Voltmeter provides charge status of onboard battery.

12-Volt, 800 Cold Cranking Amps, Size: 10" x 6 7/8" x 7 13/16" tall, Weight: 38.8 pounds, Dual SAE & GM Posts.
Reserve capacity of 100 minutes for constant performance.
Optimal starting power even in bad weather.
This item is not for sale in Catalina Island. Battery Charger:13.8 to 15.0 volts, 10 amps maximum, approximately for six to twelve hours. Alternator:13.3 to 15 volts, no amperage limit.
Fifteen times more resistant to vibration for durability. Mountable in virtually any position. May include convenient carrying handle for ease of placement in battery holder..
Completely spillproof, mountable in virtually any position.

It's Lighter, Smaller, More Powerful, Vibration Resistant, able to Hold a Charge Longer than a lead-acid battery AND it comes with a 5 Year Warranty. Need I say more?.
Right Side Negative Terminal 12 Volt 2 Pound 7.2 Ounces 285 Cranking Amps 19 Ah (Pb Eq) Amp Hours.
Zero Sulfation for longer service life. Ultra Light - One fifth the weight of lead-acid batteries on average. Military Spec Carbon Composite Case. Holds a charge up to a year provided there are no "Parasitic Drains" (Accessories that draw power when the bike is off (Alarms, Clocks, ECUs, GPS, Heated Grips, etc). Faster cranking for better starts. Super-fast recharge rate. No explosive gasses during charge - No lead, no acid..
Comes with a NEW 5-Year Warranty! ***USE A SHORAI BRAND LITHIUM ION CHARGER TO AVOID DAMAGING THE BATTERY*** NOTE: Shorai Batteries require a charging system output of 13.1 Volts or higher at idle, and must not exceed 15.2 volts at maximum output..

Y50-N18L-A3 GEL is a 12V 21AH 350 Cold Cranking Amps (CCA) GEL (Maintenance Free) Battery.
Dimensions: 8.07 inches x 3.42 inches x 6.37 inches. Polarity: Negative on left, Positive on right. Listing is for the Battery and Screws only. No wire harness or mounting accessories included..
Factory activated GEL battery. Maintenance free. No acid pack needed. Advanced design works right out of the box and requires no maintenance yet offers the option to prolong the standard life by adding extra electrolytes..
True deep cycle battery that can be mounted in any position, Resists shocks and vibration. Long lasting high performance in high and low temperatures..
Includes a Mighty Max 12 Volts 4 Amp Charger and Maintainer with Alligator Clips.

... 【 Accurate Battery Tester 】Running for years but no idea about battery status? RD510 12V battery tester provides you an overall analysis of battery health by checking its voltage charge and internal resistance, then tells you whether the battery needs to be recharged. Also this battery analyzer runs cranking and charging system test and car alternator tester charging, which make you feel at peace on the road..
【 Fully Automatic Battery Charger 】Charge batteries as low as 2V, max output 12V 5-amp. RD510 battery charger not only helps you charge the batteries but also adapts the newest pulse repair technology, one-click repair and automatically detects battery sulfation and acid stratification to bring the batteries back to life and restore their performance..
【 Battery Repair 】Automatic sulfating and acid stratification detection. The advanced repair mode can repair and reserve the damaging effects when batteries are left uncharged for extended periods to improve battery performance and longevity..
【 Wide Compatible 】RD510 can test, charge and repair all 12V 100-2000CCA lead-acid batteries includi....

Have the power to provide engine-cranking pulses in excess of 2250 amps for 5 seconds – double to triple that of equally sized conventional batteries.
Can handle 400 charge-discharge cycles to 80% depth of discharge.
Made with flat plates made of 99.99% pure lead – not lead alloy. Pure lead plates can be made thinner, so we can fit more of them in the battery.
Pulse (5-second) Hot Cranking Amps (PHCA)- 900. Cold Cranking Amps (CCA)- 330.