DYKB Charger Adapter Built in lithium battery Conversion external charging adapter board for YAESU FT 817 FT 818 HAM WLB 817S|Battery Accessories| - AliExpress
Internal FT-817 NiMH battery option | waynemerry
The Original] Yaesu FT-817 & FT-818 2450mh Battery Upgrade using IKEA LADDA Japan Made Cells - YouTube
Amazon.com: VI VINTRONS Battery for YAESU FT-818, FT-817, FT-817ND, SBR-32MH, FNB-72, FNB-72x, FNB-72xe, FNB-72xh, FNB-85, : Electronics
Polymer 3000mah Li-ion Battery for Yaesu FT-817ND 409shop,walkie-talkie,Handheld Transceiver- Radio
WINDCAMP Special Battery Compartment Cover Designed for YAESU FT-818/FT-817
HQRP Battery for YAESU FT-817 FT-817ND Portable Transceiver / Two-Way Radio 887774356249 | eBay
More Battery Power for the FT-817 • AmateurRadio.com