This video will show you how to connect two VMAXTANKS 12 volts 35 AH AGM Batteries using Parallel Configuration with charging cables. I also wired charging cables to the batteries. This video will also show you how to charge multiple batteries using one charger or maintainer. After wiring the batteries using the parallel configuration, the charger, as far as it can detect, it will treat your batteries as one unit. The catch… get the appropriate amperage for the charger you can afford for fast efficient charging. Pay attention to the manufacturers recommendation. VMaxTanks recommends a 3 amps to 7 amps chargers – DO NOT Exceed 7 amps.
I got the 5 amps Model 1205 VMTanks Smart Charger. This smart charger falls between better and best (based on AH). Smart Charger 1207 is marked “best” for 45ah to 75ah
Parallel Configuration keeps the batteries’ voltage at 12 volts but doubles amp hours (two identical battery configuration). These VMTanks AGM Batteries will be used as a power source for my new Newport Vessel 55 trolling motor.
My first AGM Battery Bank 2 qty 12V 35 ah VMAXTanks Deep Cycle AGM joined using parallel configuration
With 2 qty of 12v 35ah joined using parallel configuration, I ended up with 12 volts 70 ah
Application: These VMTanks Batteries will be used for my 55 lbs Trolling Motor and as a backup power source for my travel trailer.
While in the trailer, the charger will be charge using the smart chargers connected to AC power in my travel trailer.
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3% Battery Remaining……
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Today we’re gonna talk about portable battery chargers. They’re these little things you carry around and when your phone or your ipad or whatever gets low on juice you plug ‘em in and get to keep using your DEVICE. It’s a battery… to charge your battery! They’re popular for travelers, ever present on the conference circuit, and I hear you see ‘em in schools more as teachers get more tolerant of MOBILE PHONE USE. You got a buncha classes or panels or whatever throughout the day, gotta take photos or notes or post to twitter, use maps, you’re gonna run through your battery really quick. And that’s, I mean, you can’t have that right? Dead phone? YOU MIGHT AS WELL BE DEAD. Which brings us to something called, “Battery Anxiety” also referred to as “NOMOPHOBIA” (fear of being without one’s mobile device). We’ve all felt it, that sinking feeling while browsing Instagram or Facebook when you see that little red bar appear saying you’ve got less than 20% battery remaining. But why do we feel this way? Let us know what you think in the comments below!
At least I tried SOMETHING which is better than nothing! When the LiPo Battery exploded in my charging bag, it burned the wires and also fried the charger! (See this example video courtesy of Rajucam Aerial Services) https://www.youtube.com/watch?v=CnNId0mDnBo Therefore, I decided to make a safer and easier charging setup, which I call my LiPo Charging Station. Always be aware of how and where you charge your LiPo batteries and let this be a reminder that LiPo accidents can happen at any time to anybody. The above video link shows exploding batteries in different containers. Pay attention to the 6s test, as it is dramatic and what happened to me. I have no faith in charging bags anymore and am glad I had the charger atop a ceramic tile. Smoke was definitely a problem though. When it happened I was immediately on top of it with a fire extinguisher and got it out immediately. Note about my new charging station, I have small holes in the tool box lid to relieve pressure and am also planning to add a fire extinguisher inside that goes off if a fire. Be safe.
Living in an apartment, I have always been worried about how to manage my LiPo batteries – especially since I started performing my extensive battery tests.
There are plenty of examples online in which simple LiPo bags fail to provide enough protection in the case of a fire. Don’t forget that the flames themselves are not the only danger in these cases: heat transfer can ignite nearby objects and the toxic smoke can both harm yourself and fill the area with nasty substances.
Alternatives such as DIY ammo boxes with filters and holes work fine as well, but heat transfer through the box remains a serious issue. On top of that, I couldn’t find ammo boxes cheap enough locally, to make it worth the DIY effort. It is definitely a more spacious option though.
Just to be clear: I bought 2 BAT-SAFE boxes on my own, out of my own pocket, for peace of mind and safety. I use them both during charging / discharging, as well as for storing temporarily LiPo batteries in-between and after my tests. And I will probably get the XL version as well.
This is BEST FOR LESS: BAT-SAFE LiPo Fire safety box for battery charging – Let’s go!
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This video features the song “The Hunter” by Tune Seeker, available under a Creative Commons License
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I test an out of the shelf Tello Battery Charger since DJI doesn’t sell one. It is a great accessory specially if you have more than one battery since you can charge up to four batteries in 1:30 hours.
It is well design since it has all the battery protection features at a very reasonable price in Amazon.
It is a must for all the Tello enthusiasts that love to fly this magnificent drone a lot.