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Apple Watch Series 3 (GPS, 42mm)
- 42mm Silver (oos)
- 42mm Gray (oos)
- 38mm Silver (oos)
- 38mm gray (oos)
16-Pack 4-Oz Gerber Baby Apple & Banana Mixed Cereal
Apple TV 4K 128GB (3rd gen) Wi-Fi + Ethernet
2024 Apple MacBook Air 15.3" Laptop (M3 16GB 256GB)
Apple 12.9" iPad Pro (6th Gen): M2, Wi-Fi, 2TB
Anonymous
Still using the M1 with the exact same specs. Best purchase I've ever made, and I'm an android guy.
1 month ago |
2021 Apple iPad Mini (Wi-Fi + Cellular 256GB) Gray
HeyLow
How is this a deal? Buying a four year-old piece of technology for 15% off.
9 months ago |
JIGA 30000mAh Power Bank
Anonymous
Mine is 30000000 uamps.
2 months ago |
Anonymous
30000000 uamps. is 30000 mamps
2 months ago |
Anonymous
The correct unit to show the capacity of a battery is not mAmp hour or Amp hour
It's Watt hour.
Without knowing the voltage, the 30000 mAmp hour is just an advertisement trick.
Does this battery supply 30Amp of 5V over 1 hour or 9V over 1 hour?
Watt = Amp x Volt
So if this power bank can provide continous 9 volt 30 Amp for 1 hour, this is a 270 Watt hour battery. 270Wh
If the 30 Amp is for 5 volts, this is a 150Wh battery.
So, the 30000mAmp hour by itself doesn't mean anything. It's just a big number to make you feel good.
2 months ago |
Anonymous
The output voltage must be 5V minimum but when they advertise 30Amp it's for the 3.7V cells inside the battery.
When you convert that to 5V, it is equivalent to 22Amp hour.
(3.7 / 5) = 0.74
0.74 x 30 Amp = 22 Amp.
And that's considering 100% efficiency in converting 3.7V to 5V which never happens.
There is atleast 10% energy loss during the conversion, as heat.
So you're down to 20Amp in the best case scenario.
So at best this can supply 20Amp of 5V for 1 hour.
2 months ago |
Anonymous
Is there a limitation of how many mah is allowed on an airplane?
2 months ago |
Anonymous
It's not by mAH. It's by Wh.
Below 100Wh is OK.
Between 100wh to 160wh needs prior approval.
For these power banks, which are 3.7V, if you want to keep it below 100Wh, it needs to be below 27Ah
100Wh / 3.7V = 27000 mAh
If you want to bother to get prior approval:
160Wh / 3.7V = 43000 mAh //@anonymous: Is there a limitation of how many mah is allowed on an airplane?
2 months ago |
Apple Magic Mouse (USB-C)
Anonymous
Don't waste money on this mouse. It's the worse thing Apple made.
2 months ago |
Anonymous
Is usb-c a new feature? Just wondering why its advertised
2 months ago |
Apple 2023 Mac Mini Desktop (M2 Pro, 16GB, 512GB)
Anonymous
Why? You can get the M4 version for $450 at Microcenter right now!
2 months ago |
Anonymous
not a deal at all
2 months ago |
Anonymous
good price?
2 months ago |
Anonymous
How this is a deal when you can get M4 new Mac mini with five usb C ports, 16GB of memory in ~$450. M2 and M2 Pro is still a good but perhaps less than $300.
2 months ago |
Anonymous
I bought this for $1200 when it first came out
2 months ago |
Anonymous
M2 Pro has better GPU than M4, but I agree, this is not a deal at all. maybe $400 is a fair price. //@Anonymous: How this is a deal when you can get M4 new Mac mini with five usb C ports, 16GB of memory in ~$450. M2 and M2 Pro is still a good but perhaps less than $300.
2 months ago |
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Anonymous
Less functions and cost much less than the latest model but the battery is good for 3 days in one charge.
4 years ago |
Anonymous
Hot deal! //@anonymous: Less functions and cost much less than the latest model but the battery is good for 3 days in one charge.
4 years ago |
Preparation
Value for money?
4 years ago |
zcx910508
Target 169 38mm
4 years ago |
Anonymous
I bought this one 4 years ago on Black Friday at Walmart for $169。still using it
3 years ago |
Anonymous
is battery still performing well? //@Anonymous: I bought this one 4 years ago on Black Friday at Walmart for $169。still using it
3 years ago |
Anonymous
Bought mine 3 years ago and battery lasts 1-2 days //@anonymous: is battery still performing well? //@Anonymous: I bought this one 4 years ago on Black Friday at Walmart for $169。still using it
2 years ago |