GLK-Technologies High Power Ersatzakku für LG G4 // H815 G4 Dual SIM H818P Stylus H635 Ersetzt BL-51YF, Original GLK-Technologies Battery, accu, 3150mAh Akku Neu Smartphone-Akku 3150 mAh (3.8 V)
Amazon.com: LG G4 Battery,(𝟮𝟬𝟮𝟰 𝗡𝗲𝘄 𝗨𝗽𝗴𝗿𝗮𝗱𝗲𝗱)3600mAh BL-51YF Replacement Battery for LG G4 LS991 US991 VS986 VS999 H812 H815 H810 H811 Vista 2 H740 STYLO LS770 H631 MS631 H634 Stylus H635 F500 :
LG G4 replaceable 6500 mAh Battery With Back case - YouTube