• Brand: Envie
• Model: ECR‑20
• Compatibility: AA & AAA Ni‑MH / Ni‑Cd rechargeable batteries (2 or 4 cells)  
• Input Voltage: 220 V AC, 50 Hz  
• Output: 2.4 V DC output per channel. Charging current: approx. 240 mA total for AA; split as ~120 mA per slot when charging 2 or 4 cells. For AAA, similar output configuration 
• Charge Time: Typically 12–14 hours for standard AA/AAA Ni‑MH cells  
• LED Indicators: Two LEDs (each covers a pair of slots); remain lit even when batteries are fully charged  
• Safety Features: Built‑in protection against overheat, over‑current, short‑circuit, and reverse polarity with smart IC control  

Dimensions & Weight

• Dimensions (L × W × H): approximately 9.3 × 6 × 5 cm  
• Weight: ~118 g (some sources indicate up to ~130 g)