| Similarity | Rank | |
|---|---|---|
| batteries | 0.868 | 5828 |
| Rechargeable | 0.845 | 83975 |
| Battery | 0.836 | 12899 |
| NiMH | 0.800 | 75657 |
| Charger | 0.783 | 34749 |
| rechargeable | 0.774 | 26325 |
| Li-ion | 0.758 | 86837 |
| battery | 0.754 | 2841 |
| chargers | 0.752 | 26160 |
| Li-Ion | 0.748 | 97008 |
| lead-acid | 0.745 | 85356 |
| Cartridges | 0.745 | 78592 |
| Lithium | 0.740 | 40293 |
| Charging | 0.736 | 39310 |
| charger | 0.731 | 14631 |
| Fuel | 0.717 | 13558 |
| Inverter | 0.716 | 90729 |
| Generators | 0.700 | 56832 |
| Cartridge | 0.699 | 57667 |
| 12V | 0.696 | 44822 |
| Flashlight | 0.696 | 71554 |
| Heaters | 0.693 | 66548 |
| Electric | 0.690 | 7556 |
| Equipment | 0.690 | 9676 |
| lithium-ion | 0.689 | 43217 |