| Characteristics | Dual Charger | Dual Charger | Ultrafast
Charger |
|---|
| Model No. | GBT4RNB | VDC1-AS | GLFC001-AS | | |  |  |  | | Body Colour | Black | Silver | Silver | | Features | - Grandcell's first dual charger
- (now obsolete).
- Charges 1, 2, 3 or 4 cells
- Charges AA and AAA cells Rechargeable Alkaline and NiMH cells
| - Grandcell's mainline charger
- Charges 2 or 4 cells at a time
- Charges AA and AAA cells
- Charges Rechargeable Alkaline and NiMH cells
| - Fast charger for Grandcell Digital (NiMH) cells only
- Charges 1, 2, 3 or 4 AA and AAA cells
| | Charges: | | | | - Grandcell Rechargeable Alkaline batteries
| • | • | N/A | - Grandcell Digital (NiMH) batteries
| • | • | • | | Safety timer to prevent overcharge | | • | • | | Thermal cut off | | | • | | Reverse-polarity protection | • | • | | | Bad cell detection | | | •
| Charging time (4 Batteries): | | | | - Grandcell RAM
- AA 1500 mAh
| 10-12 hrs | 8-11 hrs | | 10-12 hrs | 8-11 hrs | | 10-12 hrs | 7-8 hrs | 210 mins | | 10-12 hrs | 8-9 hrs | 260 mins | | | 9-10 hrs | 280 mins | | | 10 hrs (timer) | 300 mins | | 10-12 hrs | 6-7 hrs | 150 mins | | 10-12 hrs | 7-8 hrs | 160 mins | | 8-9 hrs | 8-9 hrs | 170 mins |
|
