Hi everyone. Hoping for some help on choosing batteries. Just ordered my x4. would prefer 2x22000 if possible. I live in the UK so cannot get Bonka. I have spotted a tattu 7s on eBay but the weight is 3kg. I was wondering if 7s batteries are always heavier than 6s? (1extra cell) and correspondingly …

Ah. I’m not sure if they ship now from the states to the uk? Do you fly with 2 or 4? I am up in Newcastle by the way.

Does anyone out there fly with 2 batteries? (2x22000 or equivalent)?

here some infos and a video 2 and 4 bonkas [image] Price and weight surprise I teach PG/PPG year round weather permitting and have since the early 90’s but I personally will never buy another gas unit again. I have one of the batch 2 OpenPPG, made a few modifications to i…

Here a test with 2 and 4 bonkas [image] Cross Country Magazine OpenPPG Exposure Here is the article: Cross Country Magazine OpenPPG Article.pdf (2.6 MB)

[image] Andyoptom: Can I ask what the consequences with a 2 battery setup would be with the batteries over heating? Is there a real risk of Fire or is it just battery damage: It will damage your investment. Fire is a possibility but that’s more likely to happen from over-charging them. Over…

thanks. do you mean over-discharging or over-charging?

Overdischarge is the risk while flying and critical. -one time i forgot to turn off a small drone well and checked it after about 5 hrs. The effect was my first puffed battery that was really hot and totally destroyed. I was really surprised how hot it was so long after beeing too empty to fly a …

[image] Andyoptom: I was wondering if 7s batteries are always heavier than 6s? (1extra cell) [image] 6s v 7s batteries Power System Actually, the voltage of each cell remains the same so it doesn’t effect the battery cells at all. The only way to reduce the current…

Sorry, I meant to say over charging gives the biggest fire risk. I fixed my post above.

I live in the UK so cannot get Bonka. Hi Andy, I’m in the UK and also want some Bonka batteries. I’ve been looking at placing a large order direct from China. The shipping restrictions are max 35kg in a single shipment. I need 8x 22Ah 6S which comes to about 21kg. Happy to get the quote and arr…

Battery choice for lightweight

Power System

Privatreal (Christian Zelinka) October 26, 2019, 10:25pm 17