... intelligent battery management system4. Rugged mechanical design with terminal covers5. LED battery status indicator.6. Accurate capacity calculation ... Class B,CE,UL1642FCC Class B,CE,UL162FCC Class B,CE,UL162FCC Class B,CE,UL162FCC Class B,CE,UL162BMS design ... 20-70°CWater/dust resistanceIP56IP56IP56CertificationsFCC,CE,UL 94V-0FCC,CE,UL 94V-0FCC,CE,UL 94V-0Shipping classificationUN3090,Class9UN3090 ...