1. Material: ABS, electronic components 2. Applicable battery type: NiMH/NiCd 3. Battery size: AA/AAA 4. Charging current: 0.2-2.2A 5. Discharge current: 0.1-1.0A 6. Discharge cut-off voltage: 0.9V 7. Support battery capacity: 500-3200mAh 8. Capacity protection: 3200mAh 9. Input voltage: DC 12V 2.0A 10. Mode: fast charge, charge, discharge, activate, activate 11. Interactive LED status feedback, each independent working channel has an independent LED light, which is convenient to observe the charging status 12. AV black and white screen with animated highlights 13. Dimensions: 11.21 x 10.8 x 6.2 cm 14. Net weight: 370 grams 15. Note: Shipping without battery!