Synergy Digital Camera Battery, Compatible with Grundig LC-835E Digital Camera, (Li-ion, 7.4V, 4400mAh) Ultra High Capacity, Replacement for ATOMOS Battery - Walmart.com - Walmart.com
GRUNDIG Portable Power Station, 899Wh/249600MAh Backup Lithium Battery Pack, 500W Solar Generator With Pure Sine Wave AC Outlet, LED Rescue Light For Outdoors Camping Travel Fishing Home Emergency - Newegg.com
Grundig 8835 Battery
BP-FR200: 3.6volt 700mAh rechargeable NiMH battery for Grundig radios
Synergy Digital Camera Battery, Compatible with Grundig LC285 Digital Camera, (Ni-MH, 6V, 2100mAh) Ultra High Capacity, Replacement for AKAI Battery - Walmart.com - Walmart.com