Looks interesting. Anyone own one?
Emergency radio
- Thread starter jazzboypro
- Start date
Post in thread 'how to improve antenna for portable radio?' how to improve antenna for portable radio?
Thanks. Think I’ll order one. Like the waterfall display.
KB2GOM
Active Member
I've thought and written about the emergency radio thing a bit. For your consideration:
The fertilizer hits the fan radio kit
By Jock Elliott, KB2GOM Murphy’s Law: If anything can go wrong, it will. 1st corollary: Even if anything can’t go wrong, it still will. 2nd corollary: It will go wrong in th…
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Jock explores “The Essential Listening Post Part II – When the lights go out”
Many thanks to SWLing Post contributor, Jock Elliott, who shares the following guest post: When the lights go out: The Essential Listening Post – Part II By Jock Elliott, KB2GOM What’s the most val…
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Blackswan73
Active Member
I purchased a folding solar panel and a li-ion battery/ inverter for field day. Works well for my QRP hf transceiver, and my 2m mobile, as well as my laptop. I was impressed with it. The whole panel was ballistic nylon, and folded to the size of a portfolio. The battery/ inverter is about the size of a portable radio like a tecsun 880. Rated 10 amp
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@Blackswan73 - What brand/model of battery/inverter did you purchase that provides 10A and is the size of a Tecsun 880?
Blackswan73
Active Member
Blackswan73
Active Member
Pic 4
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Attachments
Thank you. Yes you could pull more amps, but it will reduce overall cycles for that 200W battery. LiPo batteries will have more cycle life if you only charge/discharge at a 0.2C rate of the battery, which is around 3A at 12.8v. A LiFePO4 battery typically has thousands of cycles before it drops to 80% at the 0.2C rate which would be years, so people charge/discharge faster and still enjoy them for quite a while at the reduced cycles.
I use a 16Ah LiFePO4 battery with a 50W foldable panel that has a built in LiFePO4 controller for low draw stuff.
I use a 16Ah LiFePO4 battery with a 50W foldable panel that has a built in LiFePO4 controller for low draw stuff.
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Blackswan73
Active Member
Looks like Amazon has an updated version available here
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Blackswan73
Active Member
I needed a high amp output for my 2m Kenwood mobile. Low power out is 25w. High power is 75w
I would be interested in a LIPO4 that could handle that high of a draw. I know technology has advanced since I purchased my generator
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I would be interested in a LIPO4 that could handle that high of a draw. I know technology has advanced since I purchased my generator
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Do you want to build or buy a solution? How many amps does your radio draw @75w? Do you need AC as well, or DC only?
Blackswan73
Active Member
I will have to find my manual. If I remember correctly the Kenwood draws about 5a in low power. Yes I would need AC to charge my laptop. I believe it was around 7a at 75w
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Blackswan73
Active Member
The Kenwood is a TM-281a
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The TM-281A manual notes 25W (low) and 65W (high). The maximum amperage draw is noted at 14A, but I'll wager it draws less than 10A, so it doesn't pop a fuse if plugged into a vehicle power port.
A very good solution would be the Ecoflow Delta 2 which offers pure sine wave on AC. It would last you quite a while and supply the amps for your mobile and power your laptop simultaneously. AC, solar and vehicle charging options. It will handle quite a bit and it was on sale for $649 recently, but jumped back up. ( I doubt I could build that for $649, so I purchased one )
- 1024 Wh LFP (LiFePO4) battery (Plenty of cycles/lifespan)
- 1800W AC draw (More than enough for your laptop)
- 10A 12.8v DC power port (Enough for your dual band radio)
A step down is the Ecoflow River 2 Pro around $570
- 768 Wh LFP (LiFePO4) battery
- 800W AC draw (pure sine wave as well)
- 10A 12.6v DC power port
Further below that is an Ecoflow River 2 around $180 using the current $60 off coupon on Amazon. It has 8A DC output, so unsure on full blast on your transceiver. It would handle a receiver though that needs 12 volts for quite a while, as the amps on a RX only would be rather low.
- 256 Wh LFP (LifePO4) battery
- 600W AC draw (pure sine wave)
- 8A 12.6v DC power port
A very good solution would be the Ecoflow Delta 2 which offers pure sine wave on AC. It would last you quite a while and supply the amps for your mobile and power your laptop simultaneously. AC, solar and vehicle charging options. It will handle quite a bit and it was on sale for $649 recently, but jumped back up. ( I doubt I could build that for $649, so I purchased one )
- 1024 Wh LFP (LiFePO4) battery (Plenty of cycles/lifespan)
- 1800W AC draw (More than enough for your laptop)
- 10A 12.8v DC power port (Enough for your dual band radio)
A step down is the Ecoflow River 2 Pro around $570
- 768 Wh LFP (LiFePO4) battery
- 800W AC draw (pure sine wave as well)
- 10A 12.6v DC power port
Further below that is an Ecoflow River 2 around $180 using the current $60 off coupon on Amazon. It has 8A DC output, so unsure on full blast on your transceiver. It would handle a receiver though that needs 12 volts for quite a while, as the amps on a RX only would be rather low.
- 256 Wh LFP (LifePO4) battery
- 600W AC draw (pure sine wave)
- 8A 12.6v DC power port
Blackswan73
Active Member
Thank you. I will definitely check them out
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