Thanks for the advice, I'll pick up a couple batteries and try them out, as well as reading the sticky you mentioned.
The Jeantech model no. is JN120F-600P12V2, and the generic one is a Bestec ATX-300-12EB3.
Also, apologies for the mistatement on PSU watts, I thought it was a 450W, but its a...
Right, First things first; Hi Everyone! Long time ghost, first time post ^^
The issue is about 2 PCs, but theyre related, so bear with me.
OEM PC:
Q6600 G0, 2GB DDR2 667 Generic RAM, 300W Bestec PSU, G33T-AM Motherboard.
Custom PC (The plugged in one):
Q6600 G0, 4GB DDR2 800 Crucial...