Lithium battery VS Lead-AcidSo, why we choose lithium batteries instead of Lead-acid?FlexibilityThe same lead-acid battery is heavy in weight, larger in volume and small in energy density. The lithium battery is small in size, light in weight and easy to transport. Compared with the lithium-ion energy storage system and lead-acid gel battery used in solar street lights, the weight and capacity are about one-third of lithium batteries.
As a result, transportation is easier and is costs also reduced.DurabilityLithium battery has higher energy density and longer service life. The lithium battery cycle life of more than 2500 times, lead-acid battery cycle life of 800 times; the energy density of lithium battery is around 150Wh/kg, lead-acid battery is about 40Wh/kg; the charging time of the lithium battery can be full within 4 hours, and the lead-acid battery is generally full around 6 hours;AccessibilitySolar street lights using lithium batteries are easy to install.
When installing traditional solar street lights, a battery pit needs to be reserved, and the battery is placed in the ground box to seal it, or install the lithium battery on the bracket, using a hanging type or a built-in type.Then, it is easy to maintain and replace. The lithium-ion solar street lights only need to remove the battery from the pole or battery panel during maintenance, while traditional solar street lights need to dig out buried batteries, which is more troublesome than lithium-ion solar street lights.EfficiencyLithium battery charge and discharge electrical energy efficiency is better, lithium-ion battery charge and discharge energy conversion efficiency can be greater than 97%, and lead-acid battery charge and discharge energy conversion efficiency is about 80%, the same lithium battery than lead-acid battery volume Small, the volume of a lithium-ion battery is about 2/3 of the volume of a lead-acid battery;Why do we recommend LiFePO4 (LFP) batteries for solar street light?Today, many electronic systems are backed up or operated by solar energy and solar battery storage.
These systems, such as closed-circuit monitoring systems, remote alarms, and environmental monitoring systems, may require direct current (DC) power storage, as well as other systems such as Motorola's vehicle, marine. In the past few decades, Lead-acid (AGM) batteries have been their product of choice for decades, and now Lithium iron phosphate (LiFePO4, LFP) batteries play an important role.The systems using AGM batteries require replacement once a year to ensure reliability.
Generally, the labor cost of replacing AGM batteries exceeds the cost of the product itself, especially in Australia, Europe, North America and other places. The risks and hazards of frequent battery replacement cannot be ignored.Learn more about batteryKeep an eye on Grepow's official blog, and we'll regularly update industry-related articles to keep you up-to-date on the battery industry.
Grepow: grepow.
com/Grepow Blog: grepow.
com/Related articles:Lithium Iron Phosphate (LiFePO4) vs Lead Acid BatteriesWhat is a forklift battery?
·RELATED QUESTION
Why don't hotel rooms have ceiling lights?
My hotel building is over 100 years old, so we have ceiling lights. We also need a ladder to change a bulb 11' from the floor. It can take 20 minutes for 1 bulb! This is one reason that we have changed to the longer lasting (and more economical) low-energy bulbs.
I would be delighted to have wall lights instead. Retro-fitting them would however be even less economically sound.
Higher than average ceilings mean ladders to change the bulbs in ceiling fittings, and this extends the maintenance time and convenience for staff enormously. Even normal height ceilings mean that a chair is needed to swap a bulb out. Wall fittings are so much more convenient for both staff and customers, reducing the time taken to get light again!
As Michael Forrest Jones says - anything other than a simple bulb swap requires the power to be cut to the whole circuit (which may be more than just a few rooms). This makes it very awkward to do emergency repairs after dark! -- Been there done that... Go with wall fittings that can be isolated in-room!
In short:
I have ceiling lights.
I don't like them, as they are awkward for maintenance.
Replacing them would be expensive and extremely difficult - basically a total rewire of the hotel lighting system.
Design engineers are not stupid. they note the first 2 points!
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