21V Lithium Battery Casing Circuit Protection Board with Sturdy Socket Easy Project Assembly for Rechargeable Tools

Description: 10/15/20/30X18650 Li-ion Battery Holder Enclosure BMS Protection PCB Circuit Board Box Cover for 21V Lithium Battery Socket Specifications: Material: Plastic, Metal Dimensions: See image Package includes: 1 set (batteries not included) Note: 1. The actual color may differ slightly from pictures due to monitor and lighting differences. Please refer to the received product. 2. Allow minor measurement discrepancies due to manual measurement. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.