First, look at the battery appearance
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The appearance of the original battery is usually intact and new, shipped by the manufacturer first hand; The appearance of the refurbished battery, whether it is the packaging or the appearance of the battery, usually has traces of use and has been polished to some extent; The appearance of fake batteries is in fact intact, and its biggest problem is that the name of the product usually appears in the form of a brand-name.
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Second, look at the thickness of the battery shell
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The new battery shell is thicker, and if you press hard, you can feel the hardness of the shell. Most of the refurbished batteries are polished shells, and their shells are relatively thin, and if they are pressed hard, there will be obvious subsidence.
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Third, look at the production date and anti-counterfeiting label
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The new battery has a clear production date, and the date is not polished. In addition, in order to make it easy for users to distinguish the authenticity, some brands also have corresponding anti-counterfeiting labels, and their coding can be found. The refurbished battery is different, the date has polished traces, and there is even no production date. In addition, the security label of the refurbished battery is either false or absent.
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Four, look at the battery line interface
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The original battery is intact and has no traces of use near each connection port; Refurbished batteries have been used traces, there will be rust, etc.; Counterfeit batteries are usually crude in terms of manufacturing.
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Five, look at the certificate and warranty card
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This is the most easily ignored, some illegal dealers dealers may fool users, said do not certificate and warranty card, can provide how much discount. In fact, such behavior needs attention. Because the regular new battery has its own certificate and warranty card. The refurbished batteries are made of old batteries purchased over, so there is no certificate and warranty card.
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6. Be wary of low prices
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If users encounter some low-cost well-known batteries, they should also be wary, because it is likely to be counterfeit and refurbished batteries.
To determine whether the lead-acid battery is refurbished, you can judge by the following aspects:
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1. Appearance: The normal lead-acid battery shell should be intact, and there may be a variety of marks on the refurbished battery shell, such as rough edges, scratches, insertions, etc.
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2. Whether the mark is complete: the lead-acid battery is usually marked with the manufacturer, model, capacity and other information, if these marks are incomplete or do not meet the specifications, it may be a refurbished battery.
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3. Battery weight: Compared with normal lead-acid batteries, the weight of refurbished batteries may not be the same, because some substances may be added or removed inside.
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4. Voltmeter reading: The voltage of the lead-acid battery can be read using a voltmeter, if a refurbished battery is advertised as new by the seller, but shows a low value when reading the voltage, then it is likely that the battery is refurbished.
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5. Charge and discharge time: The charge and discharge time of a refurbished battery may be very short, because its internal electrodes may be remade or processed, so a battery with a large capacity but an unusually short charge and discharge time may also be a refurbished battery.
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In general, the refurbished battery is completely able to create a look that looks consistent with the new battery, so when buying any battery, especially large lead-acid batteries, it is recommended to buy a reputable store or brand, and quality inspection to avoid buying a refurbished battery.
1 There are many ways to determine whether the lead-acid battery is refurbished.
2 First, you can observe the state of the battery from the appearance.
Refurbished batteries often have been deliberately processed to look new, and there may be signs of repainting. Second, the capacity of a refurbished battery is often not as good as the original battery, which can be detected by testing its capacity.
In addition, you can look at the battery label, packaging or identification of various proofs, such as refurbished batteries, these evidence can also be different and misleading.
3 If you have any doubts, it is best to find a trusted battery seller to buy batteries from.
They will provide more accurate information and testing to ensure that you are buying fresh and good quality batteries.
See if the battery has wear marks and welding marks
The new battery generally has a smooth appearance, there will be no wear, and the production information on the label is clearly visible. The refurbished battery will be polished, and then reprinted with new marks, such as: production batch number, production date and other battery information, be careful when looking at the battery, the refurbished battery may have wear marks.
The new battery is very smooth on all the line connections, there will be no solder residue, and the refurbished battery is very different, after all, it is not the original battery, so in the renovation process will involve the disassembly problem, so the solder residue must exist, even after polishing, we can easily find.