3S1P 12.6V 2500mAh 18650 Lithium-ion Battery Pack 11 1v li ion battery 18650 for Backup Power Ups CCTV Camerar 12v battery packs

3S1P 12.6V 2500mAh 18650 Lithium-ion Battery Pack 11 1v li ion battery 18650 for Backup Power Ups CCTV Camerar 12v battery packs

Aliexpress UK