Mobilfunk Krause - MFK Li-ion Battery for Sony Ericsson K770i 1100 mAh (BST-38) : Amazon.com.be: Electronics
International AC Home Wall Charger suitable for the Sony Ericsson k770i - 10W Charge supports wall outlets and voltages worldwide - Uses Gomadic Brand - Walmart.com
Original Sony BST-41 Phone Battery For Sony Ericsson Xperia PLAY R800 R800i Play Z1i A8i M1i X1 X2 X2i X10 X10i 1500mAh BST-41
Genuine Sony Ericsson BST-38 Battery for Jalou K770i K850i R300 T303 T650i Phone | eBay
Powery Battery For Sony-ericsson K770i, 3,6v, 650mah/2,3wh, Li-ion, Rechargeable, 41,3mm X 40,0mm X 5,4mm, 100% Compatible. New - Battery Accessories & Charger Accessories - AliExpress
USED BST-38 Battery For W995i W980i K770i C905 K85 RAPID POST | eBay