Ezip trailz parts11/6/2022 ![]() ![]() Each time you do that, a little bit of its capacity is lost. The second reason I never recommend SLA is that if you leave it discharged (even at 50%, like a careful consumer), then the un-coupled sulfides from the sulfuric acid will slowly begin to crystallize. So the big and heavy 10-Ah SLA pack is only useful for 5-Ah of range! If you run a SLA battery down to only having 10% left in it (its State Of Charge, SOC) on a regular basis, its life will be measured in weeks instead of months. SLA is kind of odd in that, in order to get the maximum life from them (short as it is), you should only use the top half of its range. The previous battery was ten Amp-hours (10-Ah) in size, but…that’s not the whole story. #EZIP TRAILZ PARTS SERIES#The blue LiFePO4 pack shown has 4 cells in series (4S), and is becoming a common replacement for 12V SLA (4 X 3.2V = 12.8V). Not only is a lithium battery smaller and lighter than a SLA battery of the same number of Watt-Hours (WH), the lithium pack will last MUCH longer. Maybe so, but my experience and research has shown me that the extra cost of a factory E-bike (over adding a E-kit to a bicycle) is usually paid by a customer who doesn’t have the experience or desire to mess with wrenches and soldering irons. Some have stated that even if the battery does wear out in only three to six months, they will have saved up enough money by then to buy an upgraded battery. SLA remains the battery chemistry with the cheapest purchase price, and as a result…they are still frequently chosen by consumers who are new to E-bikes. So…what’s the problem with SLA? They are bulky and heavy for the amount of Watt-Hours (WH) that they supply, but the worst part…is how fast SLA wears out. ![]() The voltage is still around 24V, so this is still no hot rod. The previous price was $449, and the new price with a lithium pack is $749, a difference of $300. The reason that this is news is because…this “mild assist” E-bike has upgraded their battery from Sealed Lead Acid (SLA) to lithium. Without the electrical kit, this bike is typical for the $99 bicycles found in the “big box” stores that most shoppers are familiar with when they need to buy laundry detergent and new socks for the kids. Just to be clear, they didn’t suddenly improve the quality of an “entry level” E-bike…the bicycle part of this model is still the same as it was before (steel frame, no disc brakes, etc). The eZip Trailz has been a perennial survivor at the bottom of the lists of factory E-bike models for sale to the public for years, due to their low price. ![]()
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