https://www.voltaicsystems.com
- 20% discount black friday promo code : CHEER
see any intersting BLACK FRIDAY deals… post them here 
you get me in 
excited to see these new cases
BIG size HUGE capacity Li-SOCl2 NON-rechargable
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Well, I think @BoRRoZ is excited to test these, and if they are really what they said it’s. 19000mAh amazing, but I suspect you can divide by 2 
yes Charles, but I don’t have a charger that fit these monsters
* off course ordered them… just to test 
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Li-SOCl2 are NON-rechargable !
yes your right !
they have a big total capacity… but continues current is not that high !
Max. Continuous current 200mA Max
Pulse current (< 5 sec) Up to 400mA
that should be enough for a low-current environmental sensor
e.g. hum/temp , VOC , vis/uv light
ordered some in C- and AA-size (@Charles) for tests …
another nice collection of waterproof cases
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received mine this week
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cool ! let us know what you think of this product
- https://www.ebay.com/itm/2-13inch-E-Ink-Display-HAT-E-paper-Supports-Partial-Refresh-for-Raspberry-Pi/252926632716
- http://www.embeddedartists.com/products/displays/lcd_27_epaper.php
- https://www.ebay.com/itm/4-3inch-e-Paper-Panel-4-3-Serial-Interface-Electronic-Paper-Display-Module-Kit-/251910601535
- https://www.waveshare.com/wiki/4.3inch_e-Paper
US $2.18 + $0.50 shipping
LiSOCl2 / Lithium to 5V DC converters… for a little bit more mobile project power
2-5V to 5V 2.0A with TPS6130
- https://www.ebay.com/itm/96-efficiency-2-5V-to-5V-2-0A-Lithium-LiFePO4-boost-module-18650-A123-TPS61032/121267757724
- https://www.ebay.com/itm/TPS61030-3-5V-to-5V-2A-Lithium-18650-Battery-boost-Charge-module-96-efficiency/172628109173
2.5V-4.5V to 5V 4A with LTC 1700
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New WeMos Lolin32 Pro with ESP32 packaged as esp32-wrover and 4Mb PSRAM
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I am using these for Power over Ethernet, great build quality and plenty of power for a gateway - 12W