Product: 2-Pack: Letscom 30,000mAh Mobile Power Banks w/ 4 Built-in Cables & Solar Panel
Model: SPB-MDY-635DX BLACK, SPD-MDY-635DX RED, SPD-MDY-635DX TEAL, SPD-MDY-635DX WHITE
Condition: New
Stay powered on the go with the Letscom 30mAh Solar Power Bank.
This compact, slim, and lightweight power bank is perfect for travel or emergencies, featuring a robust 30,000mAh Li-Polymer battery for multiple recharges.
Designed for convenience, it includes four USB ports, one Type-C port, one lightning port and one Micro USB port, and integrated charging cables (USB-A, MicroUSB, USB-C, and Lightning Port), allowing simultaneous charging of various devices.
LED Light on the back glows Red, White or Blue and LCD panel on the front displays battery life remainingThe smooth ABS and plastic casing fits comfortably in your hand, while safety features protect against over-charging, over-discharging, and short circuits.
With a built in carry handle and solar charging capability, it’s ready for any adventure.
Colors
White, Red, Teal, and Black
Battery Capacity
30,000mAh Li-Polymer
USB Ports
Four USB ports, 1 USB-C port, 1 Lightning port, 1 Micro USB port
@yakkoTDI I picked up a couple of these already and after doing since research it appears that it would take 196 hours of sunlight to charge one completely. I left the two I got outside at 75% for two days of decent sun and it didn’t top off.
@actionPacked From 75%, 8 days is about right. Under ideal conditions, there’s typically less than 10 hours of “full” sun in a given 24 hour day, so it would be more like three weeks to get a full charge from 10%, and more if some days are cloudy.
Yeah, the “solar charging” is obviously just something that a marketing “expert” demanded, not anything an actual engineer would have suggested.
@terryfulwider@yakkoTDI These little tiny panels are nearly useless, but adding them is cheap and sold as a “feature” so they keep doing it. Peace of mind if you’re one of the like >0.1% of people who may go out backpacking in the wilderness and have an emergency somewhere where you need to make a phone call and there’s cell service but your phone and battery packs are dead but you left this charger in the sun for 4 hours so you could get 2% charge on your phone to make a quick call and gps check…
@yakkoTDI According to the manufacturer’s listing on HSN, this power bank needs 195 sunlit hours (about 24 days at eight hours of sunlight per day) to go from empty to full when using just its built-in solar panel HSN listing. Reviews of solar power banks note that even a smaller 25 000 mAh pack can take up to 50 hours of direct sunlight to fully recharge and that most manufacturers advise against relying on the solar panel for routine charging Solar power bank charging time. So it’s really meant for emergency top-ups – you’ll want to plug these into a wall charger most of the time. (I’m just an AI with a garbage name, so feel free to check the links!)
@yakkoTDI I think the solar panel would be more for keeping it topped up, but my experience with these solar battery banks is that the panel will happily overcharge the battery and turn it into a spicy pillow.
@phendrick More salmon-ish. But probably not sammonish enough to make a good sammidge. Might have utility in powering a sammoning grid? [oblique Charlie Stross reference]
@AaronLeeJohnson If you want to charge this power bank using the solar cell, you need the patience of a battalion of kindergarten teachers, and geologic time scales. Figure on 2.%-4% per day on a windowsill that faces the sun continuously; on your dashboard, it will overheat and shut down in warm weather. If there are lots of clouds, expect no charging.
@AaronLeeJohnson The built‑in solar panel here is tiny, so it’s meant for emergencies rather than actually filling the 30 k mAh battery. The HSN listing for the Letscom bank says a full solar charge would take about 195 sunlit hours, and an OutdoorGearLab review found a 10 k mAh solar power bank’s panel produced only ~73 mAh in direct sun and should be treated as emergency‑only. Leaving a lithium power bank on a car dashboard is risky—How‑To Geek notes a parked car can exceed 120 °F and high heat degrades batteries—so if you want to trickle‑charge by sunlight, use a cool windowsill and plug it into AC when possible.
If you check his bio, acting was something he just sort of fell into. His original gig (for about 20 years) was rodeo rider and clown. Basically, directors hired him to be Slim Pickens for them. He was pretty good at it.
Well the movie reference should’ve been - TARS (the robot) from Interstellar! Man, really missed out on that one. But meh, I guess they want the power bank to be compared to a fwiggin bomb
The specs list the weight in these is 1.9 lbs. Is that per each bank or for the pair? 2 lb is a lot of weight for something like this if you’re backpacking.
@MrJazz Attached cables are definitely a plus. If your charger has neither the correct built-in cable nor a pocket for storing one, it’s only a matter of time before they’re separated. And that’s crap.
This is an attractive deal. At $15 a piece these things are definitely an impulse buy. But then I add in the $10 shipping and the price jumps into “think before you buy” territory.
Damn it… There’s been so many things this month I’d have bought if shipping wasn’t so high, that a months shipping would have been worth it split between them… Lol…
But none of the items alone are worth the extra $10 and knowing my luck it will just be jerky, stale cereal, and veggie puffs for the rest of the month if I pull the trigger now.
The solar is just to keep it topped off, but what is with the 5v/2a charger? With this capacity and that charger the thing would take a day to charge just from the wall! Otherwise I’d get one. Would not be unhappy to see it in a sack of regret some day.
The instructions are tiny and weird…and do not mention aforementioned solar panel…thanks for the grins…I came here for clarity but I guess if you take away the solar charge it is pretty clear… a powerful brick that the sun will not charge very much but might give you enough juice to get you off the mountain. Backpackers usually do not take bricks with them but that is another story for another day.
Specs
Product: 2-Pack: Letscom 30,000mAh Mobile Power Banks w/ 4 Built-in Cables & Solar Panel
Model: SPB-MDY-635DX BLACK, SPD-MDY-635DX RED, SPD-MDY-635DX TEAL, SPD-MDY-635DX WHITE
Condition: New
What’s Included?
Price Comparison
$139.99 at HSN
Warranty
90 days
Estimated Delivery
Monday, Mar 16 - Tuesday, Mar 17
I am curious how long it will take to charge off of the solar panel.
@yakkoTDI I picked up a couple of these already and after doing since research it appears that it would take 196 hours of sunlight to charge one completely. I left the two I got outside at 75% for two days of decent sun and it didn’t top off.
@terryfulwider @yakkoTDI
That’s a little over 8 days or so to fully charge, i’d miss too many meh’s
@actionPacked From 75%, 8 days is about right. Under ideal conditions, there’s typically less than 10 hours of “full” sun in a given 24 hour day, so it would be more like three weeks to get a full charge from 10%, and more if some days are cloudy.
Yeah, the “solar charging” is obviously just something that a marketing “expert” demanded, not anything an actual engineer would have suggested.
@terryfulwider @yakkoTDI These little tiny panels are nearly useless, but adding them is cheap and sold as a “feature” so they keep doing it. Peace of mind if you’re one of the like >0.1% of people who may go out backpacking in the wilderness and have an emergency somewhere where you need to make a phone call and there’s cell service but your phone and battery packs are dead but you left this charger in the sun for 4 hours so you could get 2% charge on your phone to make a quick call and gps check…
@yakkoTDI So buy 20 of them and rotate. You’d have a fresh one every day.
@yakkoTDI According to the manufacturer’s listing on HSN, this power bank needs 195 sunlit hours (about 24 days at eight hours of sunlight per day) to go from empty to full when using just its built-in solar panel HSN listing. Reviews of solar power banks note that even a smaller 25 000 mAh pack can take up to 50 hours of direct sunlight to fully recharge and that most manufacturers advise against relying on the solar panel for routine charging Solar power bank charging time. So it’s really meant for emergency top-ups – you’ll want to plug these into a wall charger most of the time. (I’m just an AI with a garbage name, so feel free to check the links!)
@ColeSloth with phones connecting to satellites it’s a more plausible use case.
@yakkoTDI I can only speak for Oregon, & it could fully recharge in just under 2 years


@yakkoTDI I think the solar panel would be more for keeping it topped up, but my experience with these solar battery banks is that the panel will happily overcharge the battery and turn it into a spicy pillow.
Banana for scale?
/8ball Do I need more power banks, even though today’s offering has solar panels and there is no purple color option?
It is decidedly so
@heartny So I guess you’re surviving the storm!
@Kyeh For the moment, but it doesn’t look like I’ll be able to get my car out until April, which will be a problem.
@heartny
Is it on the street?
@heartny Eep.
As I see it, yes
/8ball Should I wear only purple in winter?
@Kyeh I live in a co-op apartment building so it’s in a parking lot. A very snow filled parking lot
@heartny @Kyeh Did the plows come by and deliver some more?
Power banks in red without being on fire!
@phendrick Red-ish.
@werehatrack Maybe radish?
@phendrick More salmon-ish. But probably not sammonish enough to make a good sammidge. Might have utility in powering a sammoning grid? [oblique Charlie Stross reference]
Mr. President, I’m not saying we wouldn’t get our hair mussed. But I do say no more than 5-10 phones charged, tops. Uh, depending on the banks.
A power Jack of all trades. But alas, a master of none.
So if you want to really charge this device with the solar panels, you need to have it sit on your dashboard or put it on a windowsill?
@AaronLeeJohnson If you want to charge this power bank using the solar cell, you need the patience of a battalion of kindergarten teachers, and geologic time scales. Figure on 2.%-4% per day on a windowsill that faces the sun continuously; on your dashboard, it will overheat and shut down in warm weather. If there are lots of clouds, expect no charging.
@AaronLeeJohnson The built‑in solar panel here is tiny, so it’s meant for emergencies rather than actually filling the 30 k mAh battery. The HSN listing for the Letscom bank says a full solar charge would take about 195 sunlit hours, and an OutdoorGearLab review found a 10 k mAh solar power bank’s panel produced only ~73 mAh in direct sun and should be treated as emergency‑only. Leaving a lithium power bank on a car dashboard is risky—How‑To Geek notes a parked car can exceed 120 °F and high heat degrades batteries—so if you want to trickle‑charge by sunlight, use a cool windowsill and plug it into AC when possible.
The movie reference is Dr Strangelove, with Slim Pickens as Maj. ‘King’ Kong, riding the bomb down.
@yeppers Huh. I coulda sworn it was Alladin’s flying power bank. Go figure.
@yeppers He looks awfully sedate there.
@yeppers He was notable here, but my personal favorite of his appearances was in Blazing Saddles.
He never seemed to be acting.
@phendrick
If you check his bio, acting was something he just sort of fell into. His original gig (for about 20 years) was rodeo rider and clown. Basically, directors hired him to be Slim Pickens for them. He was pretty good at it.
/showme Darth Vader saying “You don’t know the power of the Letscom 30,000mAh Power Bank with 4 Built-in Cables & Solar Panel”
Something went terribly wrong. Please try again.
@mediocrebot I guess something went boom inside the showme AI.
The photos don’t show three “Type-C”ports; they show one USB-C, one micro-USB, and one Lightning port along with four USB-A ports.
@troy He’s right, that’s what is shown.
@werehatrack @benf_dc thank you – this has been corrected
More charges… weird. Bleh…
@admiralpoopants
/showme the jail goat saying more charges, meh weird
@therealjrn Here’s the image you requested for “the jail goat saying more charges, meh weird”
Well the movie reference should’ve been - TARS (the robot) from Interstellar! Man, really missed out on that one. But meh, I guess they want the power bank to be compared to a fwiggin bomb
@user98914045 How’s this?

Video at HSN gives an idea of the size of these. HSN page says 195 solar hours to full charge = 24+ days at 8 hours sun per day.
HSN Video on YT
Needs a Bluetooth speaker!
@phelmurh And a knife!
@phelmurh @therealjrn and my ax!
Two hats?
Maybe his sidekick fell off.
@BioBill It’s hats all the way down.
I would be in for one at $15! Anyone wanna split?
@PooltoyWolf - Maybe get this then for $15.99
@FirstSucker Eh, not the same product. Thanks though!
why does that cowboy have two hats?
what do these things put out? 2amps? If they don’t say, it must be embarrassing.
i always worry if these no-name battery packs will explode when you’re not looking…
@mrdancer Since that references the end of Dr. Strangelove,
Major Kong is riding a bomb.
@mrdancer @stinky_barista
The specs list the weight in these is 1.9 lbs. Is that per each bank or for the pair? 2 lb is a lot of weight for something like this if you’re backpacking.
@chienfou Two of them (including packaging) weighs in at 3.5lb so they are in the 1.5-1.75lb range
@troy
thanks
Again with the attached cables.
If you can’t keep track of a charging cord, you shouldn’t be playing with lithium batteries…
@MrJazz
I (respectfully) disagree. These SHORT cables are great for when you travel. Plus less stress at the plug-in port…
@MrJazz Attached cables are definitely a plus. If your charger has neither the correct built-in cable nor a pocket for storing one, it’s only a matter of time before they’re separated. And that’s crap.
@MrJazz @richrauch
This is an attractive deal. At $15 a piece these things are definitely an impulse buy. But then I add in the $10 shipping and the price jumps into “think before you buy” territory.
In an emergency, I have my choice of:
It seems like a good option to me? Please feel free to correct my logic if I’m missing something here.
@krylonultraflat
Nope… Sounds right!
Of course most of us use them more often so keep them charged.
Damn it… There’s been so many things this month I’d have bought if shipping wasn’t so high, that a months shipping would have been worth it split between them… Lol…
But none of the items alone are worth the extra $10 and knowing my luck it will just be jerky, stale cereal, and veggie puffs for the rest of the month if I pull the trigger now.
um…according to the selections, they DO come in RED…whether or not it is PERFECTLY “Georgia Red” is negligible. LOL
/showme someone recharging an EV with 3000 hand-sized red 30mAh solar power banks
@zippyus Here’s the image you requested for “someone recharging an EV with 3000 hand-sized red 30mAh solar power banks”
@mediocrebot @zippyus I think this needs a real-world youtube video.
Gonna get 'em and save them for a rainy day…
The solar is just to keep it topped off, but what is with the 5v/2a charger? With this capacity and that charger the thing would take a day to charge just from the wall! Otherwise I’d get one. Would not be unhappy to see it in a sack of regret some day.
You know what makes Lithium batteries work really well? Letting them roast in the hot sun.
The instructions are tiny and weird…and do not mention aforementioned solar panel…thanks for the grins…I came here for clarity but I guess if you take away the solar charge it is pretty clear… a powerful brick that the sun will not charge very much but might give you enough juice to get you off the mountain. Backpackers usually do not take bricks with them but that is another story for another day.