Lipo discharge rate - RCCanada - Canada Radio Controlled Hobby Forum
RCCanada - Canada's Radio Control Hobby Forum
Electric Flight Discuss Electric Flight in Canada

Closed Thread
Thread Tools Display Modes
Old 02-29-2008, 08:22 AM   #1
RCC Noob
Join Date: Oct 2005
Location: Hamilton, Ontario

Feedback: 0 / 0%
Posts: 11
Total Props: 0
Lipo discharge rate

       Remove this ad - become a site supporter!
When cycling a new lipo battery ( 2100 ) what is a good discharge and charging rate? How many times should lipo batteries be cycled before using them in flight.

Thanks for any help.

pete_4799 is offline   Quick reply to this message.

Sponsored Links - Subscribe to remove this ad.
Old 02-29-2008, 10:03 AM   #2
RCC Senior Contributor
I am: Marc B
Join Date: Jul 2004
Location: Sk.

Feedback: 1 / 100%
Posts: 691
Total Props: 0
There's probably a tonne of theories out there, but in my opinion you don't really need to cycle Lipos. Just charge and fly, but try to keep the first few charges below 0.7C, even 0.1C if you can, the lower the better. For discharge try flying with an amp draw around 5-7C, in your case below ~15 amps with short 6-minute flying sessions. By cycling them I guess can accomplish these rates under a controlled environment, but I've never cycled Lipos and always had good luck, some are 3-4 years old and going strong.

My opinion.
BigBreeze is offline   Quick reply to this message.
Old 02-29-2008, 10:19 AM   #3
I am: Boolean21
Join Date: Sep 2002
Location: Singapore

Feedback: 0 / 0%
Posts: 38,228
Total Props: 56
Charge at 2.1A, discharge depends on the battery, most packs today are good for 15C (31.5A) peak should be ok, to be conservative 10C (21A) would keep it happy.

Don't worry about cycling them, just do as Breeze said and go easy on it the first few flights. You can still charge at 1C, you basically just don't want it to get a) Hot, b) too low of voltage during the first few cycles of its life.
PurgatorY is offline   Quick reply to this message.
Old 02-29-2008, 03:06 PM   #4
RCC Expert Contributor
igor_throw_the_switch's Avatar
I am: Brad Kacer
Join Date: Mar 2004
Location: Burlington, ON

Feedback: 0 / 0%
Posts: 974
Total Props: 0
Originally Posted by can773
to be conservative 10C (21A) would keep it happy.

go easy on it the first few flights.
Cycling will do nothing for them. The key to longetivity seems to be babying them the first 3-5 flights. Lower charge rates (1C) also help to keep them happy.

If you want fast charge and hard discharge cells that are virtually indestructible, take a look at the A123 cells (black and decker/DeWalt). You will pay a weight penalty with these however.....

Mine is not to reason why; I just wire them up to fry...I mean Fly!
I don't suffer from insanity...I enjoy every minute of it!!!
I never claimed to be the sharpest knife in the chandelier......

Brad Kacer
MAAC # 29287
igor_throw_the_switch is offline   Quick reply to this message.
Closed Thread

Quick Reply

Register Now

In order to be able to post messages on the RCCanada - Canada Radio Controlled Hobby Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

Member names may only be composed of alpha-numeric characters. (A-Z and 0-9)

!!ATTENTION ADVERTISERS!! If you intend on advertising anything on this forum, whatsoever, you are required to first contact us here . Additionally, we do NOT allow BUSINESS NAMES unless you are an Authorized Vendor. If you own a business, and want to do sales on this site via posting or private message, you will need to follow the rules. Shops, Stores, Distributors, Group Buys without being authorized will see your account terminated.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Your Name
Your first name and last initial is required if you plan on using the forum.
Which city & province you live in. This is mandatory for classified listings.
Radio of choice?
Which radio is your current favorite to use?
Number of RC Vehicles?
How many boats, cars, planes do you own?


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
vBulletin Message

Thread Tools
Display Modes

Forum Jump

All times are GMT -5. The time now is 10:06 PM.

vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2016 DragonByte Technologies Ltd.