Taicke TP-690 Nanyang hydrogen level explosion-proof certification, explosion-proof mark ExibIIC T4 Gb; Exib llC T130°C Db. High-density lithium-ion polymer explosion-proof battery, IP68 dustproof and waterproof, supports TF card recording, multi-platform adaptation. Widely used in industries such as petroleum, petrochemicals, chemicals, steel, and hazardous material transportation.