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Mono Crystalline vs Multi Crystalline or Poly Multi Crystalline Solar Panels

Thinking about buying solar panels, but got confused about which type to go for? Don’t worry Letsbuybattery.com Team is here to help you out with the decision and research.

There’s a lots of variables that you should take into account when you are buying a solar photovoltaic (PV) system .

Monocrystalline Silicon Solar Cells

Solar cells made of monocrystalline silicon (mono-Si), also called single-crystalline silicon (single-crystal-Si), are quite easily recognizable by an external even coloring and uniform look, indicating high-purity silicon, as you can see on the picture below:

Mono crystalline solar panels have cells that are cut from a chunk of silicon that has been grown from a single crystal. Growing these single crystals is costly; therefore mono-crystalline panels can be more expensive than other types of solar panels.



  • Monocrystalline solar panels have the highest efficiency rates since they are made out of the highest-grade silicon.
  • Monocrystalline silicon solar panels are space-efficient. Since these solar panels yield the highest power outputs, they also require the least amount of space compared to any other types. Monocrystalline solar panels produce up to four times the amount of electricity as thin-film solar panels.
  • Monocrystalline solar panels live the longest. Most solar panel manufacturers put a 25-year warranty on their monocrystalline solar panels.
  • Tend to perform better than similarly rated polycrystalline solar panels at low-light conditions.


  • Monocrystalline solar panels are the most expensive. From a financial standpoint, a solar panel that is made of polycrystalline silicon (and in some cases thin-film) can be a better choice for some homeowners.
  • If the solar panel is partially covered with shade, dirt or snow, the entire circuit can break down.
  • The Czochralski process is used to produce monocrystalline silicon. It results in large cylindrical ingots. Four sides are cut out of the ingots to make silicon wafers. A significant amount of the original silicon ends up as waste.
  • Monocrystalline solar panels tend to be more efficient in warm weather. Performance suffers as temperature goes up, but less so than polycrystalline solar panels. For most homeowners temperature is not a concern.

Polycrystalline Silicon Solar Cells

Multi-crystalline or poly-crystalline solar panels have cells that are grown from multifaceted crystalline material – a crystal that has grown in multiple directions. Multi crystalline solar cells have slightly lower cell efficiency than their mono cousins due to the multifaceted crystal the cells are grown from; however this is not a major factor as the multi crystalline crystal is cut in a square rather than the rounder shape of the mono crystalline cell. This square shape means more of the solar panel area can actually be used to produce solar power as the available solar panel area is used more efficiently.

The first solar panels based on polycrystalline silicon, which also is known as polysilicon (p-Si) and multi-crystalline silicon (mc-Si), were introduced to the market in 1981. Unlike monocrystalline-based solar panels, polycrystalline solar panels do not require the Czochralski process. Raw silicon is melted and poured into a square mold, which is cooled and cut into perfectly square wafers.



  • The process used to make polycrystalline silicon is simpler and cost less. The amount of waste silicon is less compared to monocrystalline.
  • Polycrystalline solar panels tend to have slightly lower heat tolerance than monocrystalline solar panels. This technically means that they perform slightly worse than monocrystalline solar panels in high temperatures. Heat can affect the performance of solar panels and shorten their lifespans. However, this effect is minor, and most homeowners do not need to take it into account.



  • The efficiency of polycrystalline-based solar panels is typically 13-16%. Because of lower silicon purity, polycrystalline solar panels are not quite as efficient as monocrystalline solar panels.
  • Lower space-efficiency. You generally need to cover a larger surface to output the same electrical power as you would with a solar panel made of monocrystalline silicon. However, this does not mean every monocrystalline solar panel perform better than those based on polycrystalline silicon.
  • Monocrystalline and thin-film solar panels tend to be more aesthetically pleasing since they have a more uniform look compared to the speckled blue color of polycrystalline silicon.

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Why to use distilled water in battery

In the process of battery charging some of the water molecules disintegrate into hydrogen and oxygen. Some of these are able to get out of the battery. Hence, the repercussions are:

  1. Acid is hyper-concentrated.
  2. Due to less liquid, the lead-plates may not be fully dipped into it.

Hence, capacity of the battery to hold current is compromised to some extent.

Now, to resolve the situation we need to do two things:

  1. Make up the reduced level of electrolytic liquid
  2. Dilute the hyper-concentrated acid

Adding distilled water is the solution to this.

Now,  if tap water is added to the battery, various salts dissolved into it would also be added to the battery. And, these salts would neutralise the acid and also interfere with oxides into lead plates. This would deteriorate the battery system and the performance would be compromised.

To avoid the situation, we need to top-up the battery electrolyte with distilled water only.

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Car Battery for Maruti Alto

Maruti Alto is one of the most selling car in India. You can find below various battery options for Alto petrol from Amaron, Exide :

Amaron Offer battery for Alto petrol in All ranges ranging from 12 month to 60 months :

  1. Alto Petrol – 35AH Amaron Pro – 60 Month Warranty- MRP 4551
  2. Alto Petrol – 35AH Amaron Flo – 48 Month Warranty – MRP 4012 
  3. Alto Petrol – 35AH Amaron Go – 36 Month Warranty –  MRP 3812
  4. Alto Petrol – 35AH Amaron Black – 18 Month Warranty – MRP 3430
  5. Alto Petrol – 35AH Amaron Fresh – 12 Month Warranty – MRP 2980

Car battery option from Exide for Maruti Alto Petrol are :

  1. Alto Battery – 35AH Exide Matrix – 60 Month – MRP 5232
  2. Alto Battery – 35AH Exide Mileage – 48 Month – MRP 4144
  3. Alto Battery – 35AH Exide Mileage RED – 48 Month – MRP 4152

Exide Mileage red and Exide Milage are same battery in different package.

From the above comparison its clear that Amaron is better optiona and also from our advice – please go with Amaron models – they are better in terms of quality and value for money. Exide is certainly costly and without any added quality service advantage.

View more options here  : Battery for Maruti Alto Car

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Tribal Range of UPS, Batteries and Solar Products by Amara Raja Electronics Limited

Amara Raja Group has emerged as the leading manufacturer of top quality UPS, Batteries and allied products in India and Afro-Asia Regions. There brands – Amaron, Quanta and PowerZone have established in the pole position of the market. Amaron automotive batteries have emerged as the darling of the market. In the era of internet, people discuss products and services in various forums and the word spread very fast about anything good or bad.

In the series of excellent products, Amara Raja Electronics Limited, a group company under Amara Raja umbrella, has introduced a new brand – TRIBAL with the slogan Join the Tribe. The products under the brand are:

  1. Tribal Tall Tubular Batteries: The batteries comes in two ah sizes – 150ah & 165ah. There are further two categories from warranty point of view – with 30 months of replacement warranty and with 36 months free + 12 months Pro-Rata warranty.
  2. Tribal Ultra Low Maintenance Flat Plate Batteries: The products under the categories are – 100ah battery with 18 months warranty, 135 and 150 ah batteries with 24 months warranty.
  3. Tribal SMF VRLA Inverter Batteries: Another product for inverter application Tribal has introduced is Sealed Maintenance Free Batteries (SMF) with Valve Regulated Lead Acid (VRLA) technology. These batteries does not need electrolyte top-up. Hence, the buyer is free from a major burden of routine maintenance. These batteries comes in 100, 130, 160 and 200ah sizes with 24 months replacement warranty.
  4. Tribal i-Ace Home UPSs: These are Pure Sine Wave inverters with copper transformers. Rather than fuse, the products come with Sneider MCCB. Hence, a major advantage over competitors. These comes in five sizes – 400va, 675va, 825va & 1400va sizes. The home-UPSs come with 24 months warranty. In case of any problem, the inverters comes with call-centre based home services in most parts of India.
  5. Tribal High Capacity Industrial UPS: The products comes in Pure Sine Wave, Copper Transformer and MCCB in place of fuse. The capacities the products are available in, are- 2.0 KVA/ 24V, 2.5 KVA/ 48V, 3.5 KVA/ 48V, 5.0 KVA/ 48V, 5.0 KVA/ 96V, 7.5KVA/ 120V and 10 KVA/ 180V. The products are recommended for Filling Stations, Hospitals, Hotels and other large scale userd.
  6. Tribal Solar Home Light System with 3 LEDs: Tribal has come up a unique product to help low income group people. The product comes as a package consisting of the following – A Solar Module, one 20 Wh Li-ion Battery in a casing, 3 1w each LED bulbs, 3 wires of lengths 5M, 3M and 3M. The solar panel can be put on the roof of a hut and can lighten up the insides. It can be used by vegetable or fruit sellers to help them out in the evenings.
  7. Solar Retrofit Kit: Amara Raja Electronics Limited has come up with a Solar Retrofit Kit to convert your existing inverter into a ‘Solar Inverter’. We would share the details of the product/s in the kit in our nest post.
  8. Tribal Home UPS1 Tribal SMF VRLA Batteries Tribal Tribal Flat Plate Battery Tribal Home UPS

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Online payments are accepted now

We are happy to announce that we now accept online payments. Now users can pay online while buying batteries and don’t have to worry about getting the cash from ATM. We accept

  • NetBanking – All Major banks are accepted
  • Credit Card
    • MasterCard
    • Visa
    • American Express
  • Debit Card – All Major Banks accepted.
  • Reward Program of few major banks.

Now when you buy Car Or inverter battery from http://letsbuybattery.com you dont have to worry about payments. Pay online and enjoy the service at your home.

We are processing payments using the PayUMoney payment gateway.


Team LetsBuyBattery



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Started Battery Delivery in Delhi-NCR

We are excited to announce that – We now delivery batteries in Delhi / NCR. So look no further if you are looking to buy Car/Inverter Battery in Delhi-NCR. So Look no further login to http://letsbuybattery.com and place the order now 🙂

We now cover the below Area’s in Delhi/NCR

  • Delhi
  • Gurgoan
  • Noida
  • Indirapuram
  • Faridabad

Special offer for Delhi-NCR customers :

  1. Amaron Current 15000 Tall Tubular Battery with 30 Months replacement warranty : http://letsbuybattery.com/amaron-current-crtt-15000-tall-tubular-inverter-battery-price/  + Amaron 700 VA Pure Sine Wave inverter with 3 year Warranty only 14000 Rs.
  2. Exide Tube Master TM 500 Tall Tubular Battery only at 10000 Rs. http://letsbuybattery.com/exide-tube-master-150ah-tall-tubular-battery-price/


So if you looking for a car or inverter battery in NCR – Look no further Login and order now : http://LetsBuyBattery.com


LetsBuyBattery.com Team



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Started Offline Market Campaigns

We are starting our offline marketing campaigns for http://letsbuybattery.com . First cut of our offline material is ready. We are planning to cover the offline market in following ways :

  • Newspaper Pamphlets
  • Paste-able Stickers of our brand. Will be pasted On
    • Cars
    • Bikes
    • and Installation batteries.
  • Local TV Ads
  • Local news-paper ads

News Paper Pamphlets Front Side

LetsBuyBattery.com Pamphlets Front side

LetsBuyBattery.com Pamphlets Front side

News Paper Pamphlets Back Side

Pamphlets Back Side

Pamphlets Back Side

  • Sticker


Please review the material and lets us know the feedback.

Team LetsBuyBattery.com

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Car Batteries for Maruti Suzuki’s Best Selling Models

Hurray Now need to spend time on searching battery for your Car. You can now browse directly for Maruti Suzuki Best Selling models as well as other models from other car manufacturers

  1. Maruti Swift Petrol : http://letsbuybattery.com/maruti-suzuki-swift-petrol-maruti-suzuki-price-list/
  2. Maruti Alto : http://letsbuybattery.com/maruti-suzuki-wagonr-petrol-maruti-suzuki-price-list/
  3. Maruti WagonR : http://letsbuybattery.com/maruti-suzuki-wagonr-petrol-maruti-suzuki-price-list/
  4. Maruti Swift Desire : http://letsbuybattery.com/maruti-suzuki-dzire-petrol-maruti-suzuki-price-list/

Thanks Team http://LetsBuyBattery.com


Launched Car Batteries on LetsBuyBattery.com

We have today launched Car Batteries. Now users will be able to buy car batteries online at convenience of home and also get them installed in car at free of cost. Please browse the below link and give us the feedback


In the Car Battery Search page user will be able to select the

  • Car Make like Maruti Suzuki or Ford
  • Car Model like Swift Petrol or Ertiga Diesel.

User will also be able to filter the results based on the branch.  Below screenshot show search results for Maruti Suzuki Swift Petrol Car :


Most of the products added are from Amaron as of now. More options will be added soon. So that user can complete the research and view all option from different brands and make a firm decision.

With All new batteries we also offer exchange pricing where you give us your old dead battery and get the extra discount on new battery.


LetsBuyBattery.com Team