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› How do you charge your packs?
01-13-2010 05:51 AM  8 years agoPost 1
TJinGuy

rrProfessor

Socorro, NM - USA

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I am sitting here watching "Man v. Food" and surfing RR (and HF) when I thought I would post up a question to get a discussion going. That question is "How do you charge your packs?". To be more specific I was curious to hear the methods people employ to charge their packs. So I ask you to look over these questions and give us an idea of how you do things.

When do you charge?
Where do you do your charging?
What is your process for charging?
What notes do they take?
What precautions do you take?
How do you store your packs?
Anything else?

All I ask is that we all learn something here and not judge each other.

---
Here is how I do things.

I do most of my charging in my house on my workbench. When I am flying every day or every other day I do most of my charging at night while I have some free time and that gets me ready for the next day of flying. I also charge where I fly, be it the field or the park, but not always. I fly my packs in a specific order, so I always know what packs need charged.

Sometimes I will put the charger in monitor mode and check the voltages, if I am curious about the status of my packs, but not often. Most of the time I fly my 450 and these days I have 3 packs so I charge all 3 at once in parallel. So a typical recharge is simply be hooking up all three packs, setting the charger how I want and then heading into the other room to watch tv or whatever. I usually charge my 2 500 packs one at a time. Because I usually do this at night, I am never in a hurry and usually charge at 1C. At the field I usually charge at 2C and sometimes I will charge a little faster if I am in a hurry.

Before I charge (or right when I fly if I have notes on the flight) I note what packs I flew in my log book. Once the charge is done I note the mAh replaced. That helps me keep track of what packs are charged. When I check a packs IR, I do it not long after the charge completes and then I note it in my log book. Then once a week or so I transfer my log book info to my spreadsheet. BTW I use a ring bound booklet of 3x5" index cards as my log book.

I simply don't charge my packs if I know I am not going to fly for a while. I then store them in either the fridge or in a TRex450 parts case on my workbench.

I don't do much in terms of safety precautions. I charge on a wooden workbench and have never had a problem. If I am worried about a suspect pack I will charge it in a metal electronics cover I picked up somewhere.

- Chris

Team New Mexico
TJinTech

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01-13-2010 10:45 AM  8 years agoPost 2
FlaG8r

rrElite Veteran

Florida

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When do you charge?
Before I fly, normally right before

Where do you do your charging?
Garage

What is your process for charging?
1C on my Hyperion Duo

What notes do they take?
Simple .xls with # of cycles per pack

What precautions do you take?
Nothing special

Anything else?
If I don't fly for longer than a week I'll put my packs into storage mode on the charger, 60% cap.

Life is tough, it's tougher if you're stupid

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01-13-2010 10:55 AM  8 years agoPost 3
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

My Posts: All  Forum  Topic

When do you charge?
Night before

Where do you do your charging?
workbench in garage (attached to house)

What is your process for charging?
Schulze chargers with FP V-balancers, 1C charge rate, 4 chargers available, using 25amp power supply

What notes do you take?
None

What precautions do you take?
Always double check the charge config, I have some LiPo bags and don't use them, but know I should

Anything else?
I leave unused LiPos fully charged until next time. During most of the year the garage is pretty cold.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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01-14-2010 06:25 PM  8 years agoPost 4
LaurenceGough

rrElite Veteran

UK

My Posts: All  Forum  Topic

When do you charge?
Night before and morning before flying.

Where do you do your charging?
Bedroom under supervision 90% of the charging time or 100% charging time.

What is your process for charging?

Chose the appropiate charger/board for the pack (Either one of my CellPro 4S's or CellPro 10S chargers)

Set to the most accurate mode, 1C charging or less. If in a rush at funflys I charge at 1.2C.

What notes do they take?

I write down mAh back in after every charge for each separate pack. I also write down the highest cell Internal Resistance if charged with my CellPro 10S.

What precautions do you take?

Just keep a eye on the packs and charge with common sense!

How do you store your packs?

~3.825v p/c in bedroom.

I hate when it's bad weather for weeks or you otherwise can't fly and have charged packs...

I really need to make myself a discharger I guess..

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01-15-2010 04:38 AM  8 years agoPost 5
HeliMan Dave

rrVeteran

Suburban Chicago

My Posts: All  Forum  Topic

When do you charge?

I usually charge all my packs the night before I fly. This summer I may buy a generator for field charging however up until now I've always preferred to let my packs completely cool before recharging so that pretty much eliminated field charging since my big packs are 6s 5000mAh and I was only pushing them with 1C. Since the new technology Hyperion G3 packs can be safely charged at 2 or 3C and that's what I plan to run now.

Where do you do your charging?

In my hobby room

What is your process for charging?

I use a Hyperion Duo 3, Cell Pro 10s and (2) cellpro 4s chargers. I always balance charge them. When I come home from the field I try to decide when I'll fly next. If it's within a few days, I fully re-charge them. If it's more than 3 days, I do a "storage charge" which puts them at 50-60%

What notes do you take?

I put white tape on my packs and make little tick marks with a marker after each charge. I thought about the notebook idea but I knew that would be more of a hassle and I'd always misplace it. Much easier to keep a sharpie marker by the charger. If a pack is in a crash (but still looks ok) I make note of the crash on the label.

What precautions do you take?

I almost always stay in the room while the packs are charging in case there is a problem. Even though I use brand name batteries and chargers, it's a good idea to monitor them. I'm sure a 6s 5000mAH pack would make a good flame thrower in hurry.

How do you store your packs?

At room temperature (but am thinking about putting the big packs in the fridge during the off season)

Anything else?

My packs get a rubber band when they are charged to know at a glance if they are ready for flight and are also numered so that they get used in order (although I always attach my volt meter to each pack right before I power up to fly just to be 100% sure it's charged).

Logo 700 / 600 / 500 V-Bar NEO / Blade 180CFX / mCPX BL / Nano / V-Control

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01-19-2010 01:51 AM  8 years agoPost 6
gologo

rrKey Veteran

Sedalia, Mo USA

My Posts: All  Forum  Topic

When: usually during the evening after coming in from a fly/session.

Where: In the dining room by the 'puter, while, ummm, on R/R...

Process: A couple of 1010/210s, usually at around 70-80% C-rating unless in a hurry.

Notes: just have a sheet w. all my packs listed/purchase dates, and
put hash marks down for each chg cycle. (and note of course, if one
starts puffing)

Precautions: Have a small extinguisher that I bring over and set nearby, and just watch the packs on charge, for any signs of puffing.

Storage: Leave packs near-full charge for next sessions which are
never all that long in between....usually weeks at the most, never
months.......have a couple small fire safes from Walmart.

Anything else: Like Heliman dave, but just opposite, I put rubber
bands on packs at the field, to know which have been used when I get
home to the charger.

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01-21-2010 11:36 PM  8 years agoPost 7
zaw

rrKey Veteran

Lebanon, NH - USA

My Posts: All  Forum  Topic

When do you charge?
Night before

Where do you do your charging?

Next to this computer in living room.

What is your process for charging?

four 2200mah 3s1p batteries, parallel wireing, @ 8amp (max supported)

What notes do they take?

If I remember, I hash mark cycle on the battery.

What precautions do you take?

hook up each batteries and see connections are working properly, especially the balance plugs.

How do you store your packs?

I put them in Take this crap when you goto work pile

Anything else?

ಠ_ಠ HBK2 built with inexpensive parts! ٩๏̯͡๏)۶ Gaui425

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