10 Best

4 Amp Battery Chargers

of May 2024

  1. Product Highlights
    • 【lcd dispaly & plug and play】battery charger just plug and leave it for charging and maintaining your batteries automatically for long time.large lcd display for charge and battery status; charging voltage and current, indoor temperature, charging percentage, summer mode, winter mode, etc.
    • 【safety charging protection】adopt abs flame-retardant shell, fireproof, electric shock, corrosion resistant, solid and durable, built in circuit protection guards against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating. trickle charger with multiple protection ensure the safety charging at anytime anywhere.
    • 【smart car battery charger】this car battery charger works excellently with 12v and 24v lead-acid batteries that within 6-150ah(12v), 6-100ah(24v), including agm, gel, sla, flooded (wet), any common automotive, deep-cycle, marine, or maintenance-free battery. fits for the battery charging of cars, trucks, suvs, motorcycles, lawn mowers, boats, etc. note: it is forbidden ...
    • 【3-stage automatic charging mode】 high-frequency automatic charging delivers 3-stage charging (vehicle mode, motorcycle mode and agm mode), automatically inverted from fast charging into top-off, and into trickle charging. automatic charging protects your battery from being overcharged. so you can leave the charger connected to the battery indefinitely.
    • 【reparation mode 】 capable of recharging severely discharged or heavily sulfated 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.
  2. Product Highlights
    • 🚙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.
    • 🚙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.
    • 🚙kind reminding: 1>please read the instructions carefully before use. this product is limited to indoor use, beware of rain and explosion. 2>it is strictly prohibited to charge scrapped or non-lead-acid batteries. 3>high voltage inside, please don't open it for non-professionals.
    • 🚙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 maintenan...
    • 🚙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 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 n...
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