Cameron Sino 2200mah Battery 4-297-658-01, Pa-vt65, Sp65m For Sony Pch-1001, Pch-1006, Pch-1101, Playstation Vita, Ps Vita - Digital Batteries - AliExpress
Is there any working battery mod for ps Vita? | GBAtemp.net - The Independent Video Game Community
4000mah battery mod attempt(it works?) : r/vita
LAX 4000 mAh Slim and Compact Portable Power Bank with Built-in Lightn – LAXGadgets.net