Top 10 Optima Digital 400 12V Performance Maintainer and Battery Charger – Trolling Boat Motors

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1. NOCO

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2-Bank, Battery Maintainer and Battery Desulfator with Temperature Compensation, 12V Onboard Battery Charger, NOCO Genius GEN5X2, 10-Amp 5-Amp Per Bank Fully-Automatic Smart Marine Charger

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NOCO #ad - It's 37% smaller and delivers 43% more power. Meet the gen5x2 - similar to our genm2, only better. What's in the box - gen5x2 10-amp 2-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, 2 self-tapping mounting screws, user guide, and 3-year warranty.

Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater. Charge dead batteries - charges batteries as low as 1-volt. It's one of the best performing onboard marine battery chargers we have ever made. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.

Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise. Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V Lithium, 12V AGM, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. Multiple banks - a two-bank onboard battery charger rated a 10-amps - 5-amps per bank - for 12-volt batteries, boat, starter, including marine, and deep-cycle batteries.
BrandNOCO #ad
ManufacturerNOCO #ad
Height5.39 Inches
Length9.15 Inches
Weight5.26 Pounds
Width7.2 Inches
Part NumberGEN5X2
ModelGEN5X2
Warranty3-Year Limited

2. NOCO

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And Battery Desulfator with Temperature Compensation, 10-Amp Fully-Automatic Smart Charger, Trickle Charger, 6V and 12V Portable Battery Charger, NOCO GENIUS10, Battery Maintainer

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NOCO #ad - Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. It's the all in one solution battery charger, trickle charger, plus battery desulfator. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, and deep-cycle batteries, and maintenance-free, including flooded, marine, AGM, gel, plus lithium-ion batteries.

Charge dead batteries - charges batteries as low as 1-volt. Compatible with all types of vehicles - charge and maintain cars, boats, ATVs, lawn tractors, motorcycles, trucks, PWCs, SUVs, lawn mowers, classic cars, and more. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.

Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Meet the genius10 - similar to our g7200, battery maintainer, just better. It's 17% smaller and delivers 115% more power. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
BrandNOCO #ad
ManufacturerNOCO #ad
Height9.1 Inches
Length4.41 Inches
Weight3.99 Pounds
Width4.48 Inches
Part NumberGENIUS10
ModelGENIUS10
Warranty3 year limited

3. NOCO

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Portable Power Bank Charger, and Jumper Cables For Up To 6-Liter Gasoline and 3-Liter Diesel Engines, NOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Lithium Jump Starter Box, Car Battery Booster Pack

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NOCO #ad - Multi-function - it's a car jump starter, tablets, an integrated 100-lumen led flashlight with seven light modes, and LED flashlight. Featuring high-discharge lithium technology for safe operation in any climate. In the box - gb40 ultrasafe portable lithium car battery jump starter pack, 12-Volt Car Charger, user guide, Microfiber Storage Bag, 1-Year Warranty, Heavy-Duty Battery Clamps, Micro USB Charging Cable, and Designed in the USA.

Plus, portable power bank, including emergency strobe and SOS. A rubberized over-molded casing to prevent scratching or marring of surfaces. It's easily rechargeable from any powered USB port in 3 hours at 2. 1-amps. And an ultra-compact and lightweight design weighing just 2. 4 pounds. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Advanced design - our most advanced portable car battery jump starter ever. Start dead batteries - safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp portable lithium car battery jump starter pack - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6 liters and diesel engines up to 3 liters. Recharge smartphones, and other USB devices. Ultrasafe - safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks.
BrandNOCO #ad
ManufacturerNOCO #ad
Height4.6 Inches
Length8.3 Inches
Weight2.4 Pounds
Width4.1 Inches
Part NumberGB40
ModelGB40
Warranty1-Year Limited Warranty

4. NOCO

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Battery Maintainer, NOCO GENIUS1, 6V and 12V Portable Battery Charger, 1-Amp Fully-Automatic Smart Charger, Trickle Charger, and Battery Desulfator with Temperature Compensation

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NOCO #ad - Compatible with all types of vehicles - charge and maintain cars, boats, ATVs, SUVs, lawn tractors, lawn mowers, trucks, PWCs, classic cars, motorcycles, and more. It's 35% smaller and delivers 35% more power. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.

Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Charge dead batteries - charges batteries as low as 1-volt. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, and deep-cycle batteries, AGM, gel, including flooded, marine, and maintenance-free, plus lithium-ion batteries.

It's the all-in-one solution - battery charger, plus battery desulfator. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Meet the genius1 - similar to our g750, trickle charger, battery maintainer, just better.
BrandNOCO #ad
ManufacturerNOCO #ad
Height1.3 Inches
Length3.5 Inches
Weight0.77 Pounds
Width2.3 Inches
Part NumberGENIUS1
ModelGENIUS1
Warranty3 year limited

5. NOCO

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Battery Maintainer, NOCO GENIUS5, and Battery Desulfator with Temperature Compensation, Trickle Charger, 6V and 12V Portable Battery Charger, 5-Amp Fully-Automatic Smart Charger

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NOCO #ad - Meet the genius5 - similar to our g3500, just better. It's 34% smaller and delivers 65% more power. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.

Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, gel, and maintenance-free, AGM, and deep-cycle batteries, including flooded, plus lithium-ion batteries. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Charge dead batteries - charges batteries as low as 1-volt. Compatible with all types of vehicles - charge and maintain cars, classic cars, PWCs, motorcycles, boats, SUVs, trucks, lawn tractors, ATVs, lawn mowers, and more.

Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
BrandNOCO #ad
ManufacturerNOCO #ad
Height7.95 Inches
Length4.61 Inches
Weight1.59 Pounds
Width3.43 Inches
Part NumberGENIUS5
ModelGENIUS5
Warranty3 year limited

6. Optima

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Optima OPT8016-103 Batteries D34M BlueTop Starting and Deep Cycle Marine Battery

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Optima #ad - Optimal starting power even in bad weather. Reserve capacity of 120 minutes for constant performance. Cranking amps - 870 ampere / Marine Cranking Amps - 870 ampere. 12-volt, 750 cold cranking amps, weight: 43. 5 pounds, size: 10 inches x 6 7/8 inches x 7 13/16 inches tall, Dual SAE & 5/16 inches Stainless Steel Stud Posts. Fifteen times more resistant to vibration for durability. Mountable in virtually any position. Works well as a boat battery or RV battery. 55 ah c20 capacity.
BrandOptima #ad
ManufacturerOptima Batteries #ad
Height7.8 Inches
Length10 Inches
Weight43.5 Pounds
Width6.88 Inches
Part Number8016103
ModelOPT8016-103

7. NOCO

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12V Battery Charger, Battery Maintainer, NOCO GENIUS2D, Trickle Charger, and Battery Desulfator with Temperature Compensation, 2-Amp Direct-Mount Onboard Charger

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NOCO #ad - Beyond maintenance - it's not a trickle charger, it's an advanced battery maintainer. Compatible with all types of vehicles - add a permanent onboard battery charger to any vehicle to make battery maintenance simple and easy. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.

Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. A fully-automatic, worry-free battery charger for year-round use. Meet the genius2d - the all-new direct-mount onboard battery charger for an under-the-hood battery charging system and year-round battery maintenance.

Direct-mount - securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws. It monitors your battery 24/7, providing intuitive and safe maintenance charging with zero overcharge. Charge dead batteries - charge batteries as low as 1-volt, marine, and AGM, as well as automotive, gel, including flooded, and deep-cycle batteries. Plus, combine with any of the GCP Series AC Port Plugs for remote charging access.
BrandNOCO #ad
ManufacturerNOCO #ad
Height1.5 Inches
Length5 Inches
Weight0.73 Pounds
Width2.3 Inches
Part NumberGENIUS2D
ModelGENIUS2D
Warranty3-Year Limited Warranty

8. Battery Tender

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Smart 12 Volt Automatic Float Charger, Battery Tender Plus 12V Battery Charger and Maintainer: 1.25 AMP Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs, 021-0128

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Battery Tender #ad - Complete 4-step charging program Initialization, without overcharging. Extend battery life: compatible with all 12v lead-acid, AGM, Float Mode allows for optimization of battery power, Bulk Charge, flooded, and gel cell batteries.

Easy to use: low maintenance design is quick and easy to use, this universal powersport vehicle charger and maintainer is 4. 87 x 3. 25 x 2. 93 inches, 1. 45 lbs charger only. Includes: 12v, fused ring terminal and alligator clip accessory cables, 10-year warranty, 1.25 amp battery charger, and lifetime customer support. Monitor power levels: solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, charging will resume full charger output power.
BrandBattery Tender #ad
ManufacturerBattery Tender #ad
Height11 Inches
Length11 Inches
Weight2.29 Pounds
Width4 Inches
Part Number021-0128
Model021-0128
WarrantyManufacturer Warranty

9. Optima

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Optima Batteries OPT8014-045 8014-045 D34/78 YellowTop Dual Purpose Battery

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Optima #ad - 12-volt, size: 10" x 6 7/8" x 7 13/16" tall, 750 cold cranking amps, Weight: 43.5 pounds, dual sAE & GM Post. C20 capacity - 55 Ampere hour. Case material: Polypropylene. Internal Resistance: 00028. Fifteen times more resistant to vibration for durability. This item is not for sale in Catalina Island. Post type is Dual SAE/GM. Reserve capacity of 120 minutes for constant performance. Optimal starting power even in bad weather.
BrandOptima #ad
ManufacturerOptima Batteries #ad
Height7.8 Inches
Length10 Inches
Weight43.5 Pounds
Width6.88 Inches
Part Number8014045
ModelOPT8014-045

10. CTEK

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40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V, CTEK

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CTEK #ad - 5-year warranty. Multiple accessories included: Clamps and practical eyelet connector, as well as a handy storage bag, for easier access to the battery, all supplied as standard. Patented desulphation function and reconditioning mode: Unused batteries lose their power and their life is shortened through sulphation.

The charger analyzes the state of the battery and, if possible, recovers the battery and its power. Select the program and mode and leave the charger to do the rest. Protects sensitive equipment: unlike less-sophisticated chargers, there is no need to disconnect the battery; the MXS 5. 0 is specially designed to not damage electronic systems. No overcharge or undercharge ever. Built-in temperature compensation: Built in automatic charge voltage compensation ensures the most efficient charging in extreme cold or hot weather conditions.

Dedicated agm mode: dedicated agm mode sets the absorption and float voltages and stage timing so that they are optimal for AGM batteries. Award-winning, most-trusted 12v battery charger: from the company that created the 12v battery charger comes tried and tested technology used by over 40 of the world’s most prestigious vehicle manufacturers. Connect and forget: simple plug and play operation. Clean voltage and current delivery ensures no surges or spikes.
BrandCTEK #ad
ManufacturerCTEK #ad
Height2.36 Inches
Length11.02 Inches
Weight1.75 Pounds
Width5.91 Inches
Part Number40-206
Model40-206
Warranty5 YEAR