Primary cell with a very high energy-to-weight ratio.
| Size | Equivalent | Image | Chemical system | Voltage | Capacity | Dimension (mm) | Weight (g) | Life-span | Datasheet | 
|---|---|---|---|---|---|---|---|---|---|
| SG-0 | SR-521 / SR63 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 10mAh | ф5.80±0.05 | 0.28 | 2 Years | Download | 
| SG-1 | SR-621 / SR60 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 15mAh | ф6.80±0.05 | 0.28 | 2 Years | Download | 
| SG-2 | SR-726 / SR59 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 38mAh | ф7.90±0.05 | 0.47 | 2 Years | Download | 
| SG-3 | SR-736 / SR41 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 41mAh | ф7.90±0.05 | 0.65 | 2 Years | Download | 
| SG-4 | SR-626 / SR66 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 22mAh | ф6.80±0.05 | 0.33 | 2 Years | Download | 
| SG-5 | SR-754 / SR48 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 65mAh | ф7.90±0.05 | 1.03 | 2 Years | Download | 
| SG-6 | SR-921 / SR-921 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 40mAh | ф9.50±0.05 | 0.60 | 2 Years | Download | 
| SG-7 | SR-927 / SR57 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 42mAh | ф9.50±0.05 | 0.65 | 2 Years | Download | 
| SG-8 | SR-1120 / SR55 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 50mAh | ф11.60±0.05 | 0.72 | 2 Years | Download | 
| SG-9 | SR-936 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 50mAh | ф9.50.±0.05 | 0.85 | 2 Years | Download | 
| SG-10 | SR-1130 / SR54 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 80mAh | ф11.60.±0.05 | 1.10 | 2 Years | Download | 
| SG-11 | SR-721 / SR58 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 33mAh | ф7.90.±0.05 | 0.41 | 2 Years | Download | 
| SG-12 | SR-1142 / SR43 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 110mAh | ф11.60.±0.05 | 1.57 | 2 Years | Download | 
| SG-13 | SR-1154 / SR44 |  | Zinc-Silver Oxide Manganese Dioxide | 1.55 | 160mAh | ф11.60.±0.05 | 1.95 | 2 Years | Download |