10 Best Automatic Battery Chargers in 2023 [Expert Picks]


Most automatic battery chargers are designed to work with a specific type of battery. For example, some chargers are made specifically for lead-acid batteries, while others are made for lithium-ion batteries. There are also universal chargers that can work with any type of battery.

Best Overall
1
4.9
Bosch C7 - Intelligent and Automatic Battery Charger - 12V-24V / 7A - UK Plug - for Lead-Acid Batteries, GEL, Start/Stop EFB, Start/Stop AGM for Motorcycles, Cars and Light Commercial Vehicles, Grey

Bosch C7 - Intelligent and Automatic Battery Charger - 12V-24V / 7A - UK Plug - for Lead-Acid Batteries, GEL, Start/Stop EFB, Start/Stop AGM for Motorcycles, Cars and Light Commercial Vehicles, Grey

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  • Adapted for 12V and 24V, for lead-acid, GEL, EFB, AGM, standard and Start/Stop batteries, for scooters, motorcycles, cars, classic and vintage cars, vans, mobile homes, etc.
  • Intelligent and automatic operation: integrated microprocessor which detects battery voltage and ensures an optimal level of charge.
  • Easy to use: with just one button, the charging process is adapted to the state of the battery.
  • Energy saver: LED indicator to track the state of charge.
  • Efficiency: recharge to almost 100 Percent of the battery capacity.
Best Runner-Up
2
4.8
BUDDYGO FBC12050 Fully Automatic Battery Charger, 5A 12V Car Battery Charger & Maintainer- UK Plug, Red

BUDDYGO FBC12050 Fully Automatic Battery Charger, 5A 12V Car Battery Charger & Maintainer- UK Plug, Red

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  • đŸŒ± Wide range use:👍 Diagnose and repair various battery problems, to solve battery power, power acceleration and internal resistance problems. Pulse repair function can help to repair your loss battery and extend battery life. Suitable for all kinds of vehicles, battery lead acid 12V 4AH-100AH: cars, motorcycles, lawn mowers and more. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage.
  • đŸŒ±Multiple protection:👍 Built in circuit protection guards against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating. Avoid any dangerous situation. ideal for carefree long-term maintenance charging.
  • đŸŒ±Easy to use and Simple to connect:👍 Clear positive and negative, easy to connect, and have reverse polarity protection. And with Intelligent Digital Display, displays charging status and battery status, charge voltage, charge current, etc.
  • đŸŒ±Battery maintainer:👍 It provides constant voltage charge for optimal maintenance of the battery. And over-charge protection enables optimal battery charging without fear of overcharging.
  • đŸŒ±Note: 👍 The screen of the BUDDYGO car battery charger is covered with a protective film. After removing the protective film, you will see a brand new screen.
Best Portable Design
3
4.7
Energizer 4 Amp Fully Automatic Smart Charger, 6V & 12V Battery Charger, Portable Trickle Charger, Battery Maintainer (Charges, Maintains & Reconditions Car, Motorbike, Caravan, & Motorhome batteries)

Energizer 4 Amp Fully Automatic Smart Charger, 6V & 12V Battery Charger, Portable Trickle Charger, Battery Maintainer (Charges, Maintains & Reconditions Car, Motorbike, Caravan, & Motorhome batteries)

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  • 4 Amp Fully Automatic Battery Charger with LCD Display – This trickle charger for car battery automatically switches between charging mode and float mode monitoring. The built-in LCD monitor of this portable car charger will provide you with accurate status and battery voltage measurement.
  • Auto Voltage Detection - Detects 6 Volt or 12 Volt batteries, charges, and maintains them. Built-in circuit protection guards against overcharging, reverse polarity, or short circuits. This 6V & 12V battery charger automatically adjusts the amperage rate to charge and maintain batteries.
  • 9-Step Smart Charging Technology - These car battery charging units help keep your batteries last longer than simple car chargers. High-frequency smart 9 step charging technology keeps batteries at an optimal charge. Suitable battery maintainer for cars, BMW, Van, motorcycle, campervan, RV, boats, and more.
  • Quick Connection Car Charger - Easy connection to vehicle battery using the included battery clips. Just connect the red clamp to the positive pole(+), and the black clamp to the negative pole. This battery charger is perfect and essential car accessories, motorbike accessories, and campervan accessories.
  • 5 Year Warranty - Includes a five-year repair or replace warranty and specialized customer service & technical support via email phone or chat. From a brand you can trust! CE Approved
Best from MOTOPOWER
4
4.6
MOTOPOWER MP00205A-UK 12V 800mA Fully Automatic Battery Charger/Maintainer-UK Plug

MOTOPOWER MP00205A-UK 12V 800mA Fully Automatic Battery Charger/Maintainer-UK Plug

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  • ✅【Compact, Smart & Durable】- It can charge all types of 12V lead-acid batteries, including flooded or sealed maintenance free batteries (AGM & gel cell). It's the best smart charger for automotive, motorcycle, marine, RV, Powersport, lawn&garden, children toys, etc. UK Plug.
  • ✅【Fully Automatic】- No need of any manual operation, just plug and leave it for charging and maintaining your batteries automatically for long time. The microprocessor controlled program will monitor the whole charging progress and automatically stop when the battery is fully charged. Then it will monitor the battery voltage and maintain the battery with a float charging current.
  • ✅【Multi-level Safety Protection & Battery Rescue】- Micro-processor Controlled program. No worry about overcharge, short circuit and reverse polarity. Spark-free technology applied. Featured Constant Pulse Current Maintenance function helps the battery avoid excessive charge and discharge. It will extend the battery life and recover batteries more effectively.
  • ✅【Automatic Battery Desulfation】- Apply 0.5amp pulse current every seconds to desulfate the battery cells. Optimize the battery cells chemistry and recover the battery performance.
  • ✅【SAE Quick Release Adapters】- With SAE quick release connection options: Ring Terminals (7.5amp fused for safety protection) or Alligator Clips. With the ring terminal harness connecting with the battery permanently, it's so easy to connect the charger by the SAE adapters when needed. Fuse protection will avoid danger of short circuit or overload.
Best Under-Budget
5
4.5
Ring Automotive RSC808 smart car battery charger 12v 24v 8A

Ring Automotive RSC808 smart car battery charger 12v 24v 8A

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  • Dual Function: 8A Charger that will recharge your battery for optimum performance and then go into maintenance mode for long term connection
  • 12V and 24V Setting: Suitable for motorbikes, Cars, Vans and Trucks
  • Stop / Start Compatible: Safe to use with Stop/Start battery technology
  • Fast Charging: 4-8 Amp settings for faster charging times
  • Complete Charging: 7 stage charging process, including reconditioning, ensure optimum performance
Best LCD Screen
6
4.4
10 Amp Car Battery Charger, 12V/24V Automatic Battery Charger with 7-Stage Charging and LCD Screen, Intelligent Charges, Repairs, Maintains for Car Motorcycle Boat Mower, AGM GEL and Lead Acid Battery

10 Amp Car Battery Charger, 12V/24V Automatic Battery Charger with 7-Stage Charging and LCD Screen, Intelligent Charges, Repairs, Maintains for Car Motorcycle Boat Mower, AGM GEL and Lead Acid Battery

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  • 10 AMP QUICK CHARGER: The charging speed of the 10 Amp quick battery charger is 25% faster than 8 Amp automatic chargers and 100% faster than 5 Amp chargers. The car battery charger is suitable for all 12V(10A) and 24V(5A) lead-acid batteries, including AGM, GEL, EFB, SLA, water batteries. Ideal for charging or repairing cars, motorcycles, trucks, SUV, lawn mowers, boats, etc.
  • MULTI CHARGING PROTECTION: Smart control, reverse protection, temp compensation in hot climates and under-charging in cold climates, cooling system, overcurrent, overvoltage, short circuit, fireproof material, trickle charger with multiple protection ensure the safety during charging.
  • 6 CHARGING MODES: With the Summer or Winter mode, the smart charger will automatically detect outside temperature, then self-appropriate raise and reduce the charging voltage. The STD mode (12V 8A/24 6A) for ordinary big batteries. AGM/GEL mode for AGM/GEL/EPB batteries, WET mode for water batteries and small batteries, MOTORCYCLE mode (max 1.5A) for small batteries, REPAIR MODE for repairing old batteries. (Lithium battery is prohibited)
  • 7 STAGES SMART CHARGING: Features seven-stage charging functions, Automatically switch according to the following modes: desulfurization, trickle charging, constant current charging, constant voltage charging, battery current detection, compensation charging, floating charging. The smart charging will protect your battery and extend battery life.
  • VISUALIZED & EASY TO USE: The LCD display can display charging status and battery status, inside temperature, charge voltage, charge current, summer mode/winter mode, etc. Once the battery is fully charged ,the screen display"100% " And automatic stop when fully charged.And there will be a prompt when the electrode is reversely connected.
Best in terms of Safety
7
4.3
AA AA4956 Car Battery Charger Maintainer UK Plug Fully Automatic with Crocodile Clamps Eyelet Connectors As Used By AA Patrols,Black/Yellow,1.5 Amp 6 V/12 V

AA AA4956 Car Battery Charger Maintainer UK Plug Fully Automatic with Crocodile Clamps Eyelet Connectors As Used By AA Patrols,Black/Yellow,1.5 Amp 6 V/12 V

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  • IDEAL for car batteries that need a top-up and used by AA Patrols
  • SUITABLE for all types of 6 V and 12 V lead-acid and gel batteries
  • SAFETY covered by protection against reverse polarity and short circuits
  • INTELLIGENT in-built microprocessor automatically assesses battery health and delivers the correct current and voltage
  • INCLUDES crocodile and eyelet connectors plus instructions
Best with Temperature Compensation
8
4.2
12V/6Amp Car Battery Charger, Smart Fully Automatic Battery Charger with Temperature Compensation for Most Types of Lead Acid Batteries, Red, AC Connection Required

12V/6Amp Car Battery Charger, Smart Fully Automatic Battery Charger with Temperature Compensation for Most Types of Lead Acid Batteries, Red, AC Connection Required

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  • 🚙Suitable for All Kinds of Vehicles: 6 amp battery charger maintains and charges all type of AGM, GEL, SLA, Flooded(WET), calcium type deep cycle automotive or marine 4Ah-100Ah 12V battery. Pulse repair function can help to repair your loss battery and extend battery life. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage.
  • 🚙Multiple Protection for Your Battery: Built in circuit protection guards against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating. Avoid any dangerous situation. ideal for carefree long-term maintenance charging.
  • 🚙Easy to use and Simple to connect: Clear positive and negative, easy to connect, and have reverse polarity protection. And with Intelligent Digital Display, displays charging status and battery status, charge voltage, charge current, etc.
  • 🚙Intelligent Battery Maintainer: It provides constant voltage charge for optimal maintenance of the battery. And over-charge protection enables optimal battery charging without fear of overcharging.
  • 🚙Pulse repair function can help to repair your loss battery and extend battery life. Note: It can not activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new. Although our charger built in circuit protection guards, but if your battery is to old or badly worn, please don't leave alone whole day or whole night whiling charging your battery.
Best with Multi-Functions
9
4.1
8A Car Battery Charger, 12V 24V Battery Charger & Maintainer, 3-Stage Automatic Trickle Battery Charger Maintainer with Six Functions for Most Types of 2AH-150AH Lead Acid Batteries

8A Car Battery Charger, 12V 24V Battery Charger & Maintainer, 3-Stage Automatic Trickle Battery Charger Maintainer with Six Functions for Most Types of 2AH-150AH Lead Acid Batteries

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  • 【🚙 Intelligent LCD Digital display 🚙 】 The charger automatically detects the outside temperature, can display / current / voltage / power easy to operate, intelligent charging, without manual adjustment. Automatic charging when the battery is connected to the red power terminals for attaching the positive battery (+) black with clamp for mounting the negative battery (-) Pure copper high frequency transformer, The automatic data carousel display shows the temperature, charging voltage.
  • 【🚙 Suitable for All Kinds of Vehicles 🚙 】Charging the lithium battery is strictly prohibited. Suitable for 12V-24V 4AH-120AH lead acid battery (AGM, GEL, MF, SLA, VRLA), Pulse repair function can help to repair your loss battery and extend battery life. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage.
  • 【🚙 Multiple Protection for Your Battery 🚙 】 Built in circuit protection guards against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating. Avoid any dangerous situation. ideal for carefree long-term maintenance charging.
  • 【🚙 Easy to use and Simple to connect 🚙 】 Clear positive and negative, easy to connect, and have reverse polarity protection. And with Intelligent Digital Display, displays charging status and battery status, charge voltage, charge current, etc.
  • 【🚙 Pulse Repair Function 🚙 】 It can help to repair your loss battery and extend battery life. Note: It can not activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new. Although our charger built in circuit protection guards, but if your battery is to old or badly worn, please don't leave alone whole day or whole night whiling charging your battery.
Cheapest Option
10
4
Hutigertech Car Battery Charger & Maintainer 6A 12V Fully Automatic Battery Charger with LCD Screen, Used to Charger, Maintain and Repair Batteries for Cars, Motorcycles, Boat and More

Hutigertech Car Battery Charger & Maintainer 6A 12V Fully Automatic Battery Charger with LCD Screen, Used to Charger, Maintain and Repair Batteries for Cars, Motorcycles, Boat and More

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  • ▶Multifunction: This is a fully automatic battery charger with 3 charge stages, constant current charging, constant voltage charging, float charging. can diagnose and repair various battery problems, to solve battery power, powerful acceleration, and internal resistance problems, pulse repair function can help to repair your loss battery and extend battery life.
  • ▶Multiple protection: Built-in circuit protection guards against over-voltage protection, over-temperature protection, overcharge protection, short circuit protection, reverse connection protection, overcurrent protection, low current protection, avoid any dangerous situation.
  • ▶Flexible charging mode: With summer and winter mode, be able to detect the temperature, and it will switch to the appropriate voltage automatically enables optimal battery charging without fear of overcharging. Besides, it equipped with silent cooling fans and aluminum radiators, can extending the service life of this charger.
  • ▶Easy to use: Clear positive and negative, easy to connect, and have reverse polarity protection. The LCD digital display voltage, current, temperature, battery capacity in real-time, convenient to read. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage.
  • ▶Wide range use -- Suitable for cars, motorcycles, lawnmowers and other vehicles, can help restore drained and sulfated batteries, but can not be used to charge the lithium battery. If you have any questions about the product, please contact us by email at any time.

She has contributed to Perseus Promos, Hazlitt, Rolling Stone, New Republic, Atlantic, GQ, Racked, VICE and The New Inquiry.

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