> Pirksiu manau tą pigieną kur lorencas nurodė :) manau bus ok.

jei ka verta, tai uzmesk aki i batarke:

https://cdn.cnetcontent.com/bd/08/bd084172-e988-43bb-bddc-266a64daa29c.pdf

3S 550 - 12V, 5Ah
3S 750 - 12V, 9Ah

https://www.battery-direct.com/Battery-EATON-3S-550.html
Dimensions: 90x70x102 mm (LxWxH); per battery
Weight:	1.8 kg

https://www.battery-direct.com/Battery-EATON-3S-700.html
Dimensions: 151x65x93 mm (LxWxH); per battery
Weight:	2.35 kg

Populiariausios tos ~151x65x93 ~7-9Ah
Pvz. APC 650W ejo su 12V 12Ah, o jos brangesnes.

https://www.lemona.lt/?page=item&i_id=81514
Aukštis: 100mm / Ilgis: 151mm / Plotis: 65mm

Apie ~90x70x102 - nieko nezinau, speju tokios:
https://www.lemona.lt/?page=item&i_id=81513
Aukštis: 106mm / Ilgis: 90mm / Plotis: 70mm