diy solar

diy solar

Lensun Solar MPPT Controller Question and other Lensun Solar Product Question

Arbee

New Member
Joined
Dec 16, 2020
Messages
176
Two products from the Lensun Solar catalog motivate my questioning here.

The first is one of their MPPT Charge controllers. This one: https://www.lensunsolar.com/Products/Solar-controller?product_id=534

It claims, with what appears to be no user configuration, to be able to charge batteries of various common chemistries.

As much as I have an inquiry into Lensun on how they do that, and as much as readers, I appreciate, aren't Lensun product specialists, I was hoping someone might offer an unbiased explanation of this process. My point being--need I tell you--different chemistry batteries have different charging profiles. So how does the controller here know what type of battery it is dealing with? Does the controller poll the battery in some way, or perhaps does the controller use some generic charging algorithm?

The second question concerns some of the company's vehicle hood (bonnet if you will) starter battery trickle charging products. I thought Will (maybe this was a while back) said flexible solar panels are ultimately doomed to failure crap. Is this system not eventually likely to break (e.g. https://www.lensunsolar.com/Products/Hood-Solar-Panel/Jeep-Hood-Solar)?

TIA
 
Two products from the Lensun Solar catalog motivate my questioning here.

The first is one of their MPPT Charge controllers. This one: https://www.lensunsolar.com/Products/Solar-controller?product_id=534

It claims, with what appears to be no user configuration, to be able to charge batteries of various common chemistries.

As much as I have an inquiry into Lensun on how they do that, and as much as readers, I appreciate, aren't Lensun product specialists, I was hoping someone might offer an unbiased explanation of this process. My point being--need I tell you--different chemistry batteries have different charging profiles. So how does the controller here know what type of battery it is dealing with? Does the controller poll the battery in some way, or perhaps does the controller use some generic charging algorithm?

The second question concerns some of the company's vehicle hood (bonnet if you will) starter battery trickle charging products. I thought Will (maybe this was a while back) said flexible solar panels are ultimately doomed to failure crap. Is this system not eventually likely to break (e.g. https://www.lensunsolar.com/Products/Hood-Solar-Panel/Jeep-Hood-Solar)?

TIA
From what I read it has an app to set configuration profiles such as battery chemistry type. No auto type detection. Likely the default setup is SLA.

As to the hood covers pretending to be solar panels? Seem fairly expensive and without measuring actual size it is hard to know if wattage claims are reasonable. It takes 1 sq meter to get about 200w.
 
From what I read it has an app to set configuration profiles such as battery chemistry type. No auto type detection. Likely the default setup is SLA.

As to the hood covers pretending to be solar panels? Seem fairly expensive and without measuring actual size it is hard to know if wattage claims are reasonable. It takes 1 sq meter to get about 200w.
Thanks.

The Solarlife accompanying smart phone app doesn't seem to have a battery chemistry setting.

Also, as it regards the flexible panels, I was just as much interested in their durability, Will P. pointing to them cracking and overheating with time, as I was with them living up to their claimed solar power output.
 
one of their MPPT Charge controllers
Consider this as an alternative,

Does the controller poll the battery
The setup is via a phone/ tablet app, Victron Smart controlers have a similar set up

some of the company's vehicle hood (bonnet if you will) starter battery trickle charging products
Flexible solar panels typically have a short life and hate temperature. The lensun products seem expensive but are custome sized for the application and seem to be well designed. As solar panels get hot the power output reduces , also with flexible panels most failures exhibit heat issues with burn marks on back of the panel.
 
Last edited:
Back
Top