$1.99
Battery/Lithium 3.0V DuracellBkstr$12.00
AJC Douglas Guardian DBG6-5F Sealed Lead Acid Replacement Battery 4.5Ah, 6V, F1Global Industrial$19.99
Mighty Max Battery 12V 7Ah Guardian Douglas DG12-7 Replacement BatteryAmazon$19.99
Mighty Max Battery 12V 7Ah Guardian Douglas DG12-7 Rechargeable Sealed Lead Acid 1272 Backup Power Batteries | MAX3422634Lowe's$59.99
Mighty Max Battery YTX20L-BSGEL 12V 18AH for SurePower Douglas 20L-BS Rechargeable Sealed Gel 12180 Backup Power Batteries | MAX3481912Lowe'sSAVE $10.73
$31.31$42.04
Powerstar Agm1213-662 12V 1.3Ah Replacement Battery for Douglas Dg121.2 - AllSHOP.COMSAVE $10.49
$29.04$39.53
Powerstar Agm5-6-1000 6V 5Ah Douglas Dg64 Sla Replacement Battery - AllSHOP.COM$1,999.00
Douglas D20 Rooftop Air Conditioner, 9800BTU 12V, Black, No Idle, Battery Powered Complete UnitAmazon$12.25
AJC Douglas Guardian DG12-1.2 Emergency Light Replacement Battery 1.3Ah, 12V, F1Global Industrial$18.95
RG1234T1 12-Volt 3.4Ah Replacement Battery for Douglas DG123The Home Depot$18.95
RG1234T1 12-Volt 3.4Ah Replacement Battery for Douglas DBG122.6The Home Depot$28.99
wltk Motorized Douglas Train Engine Toy Set, Battery-Powered Train’s Friend Toy Set ,Toddlers Train Toys for Age 3 4 5 6 7 8 Kids Boys GirlsAmazon