1-5PCS HW-391 2S 20A 7.4V 8.4V 18650 BMS Module 18650 Lithium Battery Charger Protection Board Standard/Balance Module for DIY  envelope sofa brush

sofa brush

and plastic

Bonds permanently to steel

J-B Weld Clear Silicone Sealant & Adhesive 85g JB31310 – Waterproof

1-5PCS HW-391 2S 20A 7.4V 8.4V 18650 BMS Module 18650 Lithium Battery Charger Protection Board Standard/Balance Module for DIY  envelope sofa brushSPECIFICATIONS Accessory Type: Battery Accessories Battery Included: No Brand Name: NONE Certification: None Charger included: N High concerned chemical: None Origin: Mainland China HW 391 2S 20A 7. 4V 8. 4V Li ion Lithium Battery Charger Protection Board 18650 BMS Board Module Balance Specification: Charging voltage: DC8. 4 9V Continuous discharge current: Maximum 20A (if the heat dissipation is not good, please reduce the load current to use)