Husgw20Amp Car Battery Charger 12V /24V 10A /20A Intelligent Battery Charger, LiFePO4 Smart Portable Charger with LCD Display Charger for Car, Motorcycle, Lead Acid Batteries & AGM

TLDR: This is a good quality car and motorcycle battery charger that could save you buying a replacement battery if your vehicle has been left standing for a while, or even if the battery isn't fully charging any more. It won't fix a broken battery, but it can recondition older or fully discharged batteries and so could save you money.FULL REVIEW: I couldn't find my old car battery charger when I needed it recently, so I looked at a few different models of charger and settled on this one as it appeared to have several useful features at a reasonable price. It's suitable for several types of car & bike battery and has a pulse charge function to recondition batteries which, like mine, have been discharged for a while.My car uses a start/stop battery which is an AGM type rather than a normal sealed lead acid battery, but these are more expensive to replace and need to be registered with my car's Engine Control Unit if they are changed. In both types of battery, it's normal for lead sulphate crystals to form whilst the battery is discharging and then dissolve as the battery is recharged. When a battery is left at a low charge for a while though, these crystals can harden and make it more difficult for the battery to hold a full charge - which is when a pulse charge is useful because it can dissolve those hardened crystals and recondition the battery.The charger itself is quite light as the main component is its small power supply which sits at the bottom of the orange plastic case and is fan cooled to stop it overheating. The battery clamps use thin wires that are designed to be pulled apart carefully so that each clamp is then the right distance apart for your battery or, in my case, the jump start/charging points under the bonnet. I must have read the user manual 3 or 4 times before using it because it's not been translated very well and a few bits of information are either missing or wrong, however it is quite simple to use and I'll share what I learned in the process of reconditioning my own battery.Like most chargers, you connect the red clamp to the positive terminal and then the black clamp to the negative terminal, then wait a moment and it will tell you the current charge state of your battery in 25% increments. If you then plug the charger into your power extension cable it will instantly start charging the battery using the first setting which is Car for normal sealed lead acid car batteries. Clicking the button on the centre right of the screen allows you to cycle through the other charging options which are AGM (start/stop batteries), Moto (motorcycle) and Repair (pulse). One thing not mentioned in the manual is that the Car, AGM & Motorcycle modes all start off displaying dES on the screen for a few minutes which is the desulphation phase of charging a battery before they then switch to the normal charging screen where the battery level indicator fills and drops whilst the numbers rotate through the temperature voltage and amperage of the charging session. Once a battery is fully charged then it will switch itself off and display FUL, and it has a built-in safety feature that turns itself off after 15-16 hours to avoid overcharging and potentially damaging the battery. However, it's always possible that a damaged battery won't be detected properly and so could overcharge causing a fire, which is why the manufacturer recommends not leaving it unattended whilst in use for long periods of time (i.e. overnight).I personally tried charging my battery over two days for between 8 & 12 hours each day, checking it every 20 minutes at the start and then around every 2 hours or so throughout the day. Although the battery charge level improved by about 25% each time, it never fully charged and wasn't holding that charge overnight so I then tried running in repair mode. The manual recommends running a repair for a minimum of 8 hours for a car battery and 5 hours for a motorcycle battery, and that a full repair cycle should be complete in about 20 hours. I ran this repair mode for 8 hours the third day and 12 hours the fourth day, then on the fifth day ran a normal charge cycle which finally fully charged the battery after just a few hours and stopped itself charging just like it's supposed to do. I checked the battery power level again the next day and this time it had held the charge.This pulse repair technology used to only be available on very expensive car chargers and is a built-in function for some military vehicles, so to have it now on a cheap charger like this one is fantastic. It's saved me having to pay a couple of hundred pounds for a new battery and I intend to do an 8-hour pulse repair on my battery a couple of times a year from now on to keep it in good condition and hopefully prolong the life of the battery.

Works as expected. I like the display size and brightness that allows me to read values from a distance in my driveway. I would have appreciated if both the charging cables and the power cord were longer than just being about a meter in length.

I have only been using this charger occasionally over the last few months. Seems to work well but is a little flimsy. If it is dropped, then it may not work and needs to be carefully handled. The charging cables lengths are extremely short, although I'm still able to rest it away from the battery but still too close for my liking.For safety, these cables should really be a lot longer. At additional expense, the cables could be extended.

Apart from s slightly too short mains lead the whole charger was easy to use. Was not too noisy from its cooling fan.The charger was purchased to charge the battery on my laid up car, sorting it out for the MOT. The battery was not totally flat at about 20% charge (according to the display) and it started its routine. I was amazed how quickly the battery was restored to full charge. I would normally expect to be waiting for at least 24-36 hours.The whole device is a reasonable size and tucks neatly against the wall. But is easy to see and not trip over/ kick.I am delighted at the speed of the charge going into my battery, the informative display but as I have mentioned the mains input could be a foot or so longer. It was also nice to get a proper UK plug on the end not the normal death plug on Chinese built items. I am sure that a competent electrician could replace the mains cable if needed.The red and black colours make this look the ‘business’ with the blue LED’s and Green display contrast nicely. The unit is not too heavy compared with more conventional chargers and is as smart as anything that has been to college.Overall I would recommend this charger, not too expensive but feature packed, does exactly what it says it does.

Thought I would need to buy a new AGM battery been down for a good while put this charger on it it took all day it started de sulphurring then went through all of its modes and ended up fully charged and recovered the battery how long it lasts is another story however I’m impressed with the outcome so far. it got the start stop working again for the price it was worth it all day long fully recommend it if nothing else it will keep the battery conditioned if not this one the new one

Small, compact but very mighty. Perfect little battery repair kit, put a very poorly 12v 140ah battery on repair, wasn't expecting it to fix the battery and recharge it to 12.3v in 1 afternoon of sunshine (I live 12v off grid) worked wonders. Now to repair the other 12 batteries I've gone through and saved up.

Received. a very good Battery ChargerIt's very compact easy to use and at the right price.Thank you e.bay

Great little gadget. Works efficiently and fast.