How make battery upgrade H216A X4 Desire Pro?

[me_2e4daAdPC0]

Hello everyone.
I wanna make a battery upgrade to my H216A X4 Desire. Change to one with greater capacity.
This is posible?.

The especifications of the factory battery is 750 mAh / 7,6 V / 15C / 5.7 Wh
Please, tell me any considerations

[PeaUK]

I got a parralel JST connector from EBay and then connected 2 H216A batteries at the same time (one battery taped to the underside). That increased the flight time quite a bit.

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F252051395294

I hope this helps

[PeaUK]

ps, the research i did online suggests this method only works if both batteries are identical.