| Similarity | Rank | |
|---|---|---|
| batteries | 0.899 | 5828 |
| Rechargeable | 0.899 | 83975 |
| NiMH | 0.883 | 75657 |
| charger | 0.880 | 14631 |
| Li-ion | 0.866 | 86837 |
| battery | 0.863 | 2841 |
| Li-Ion | 0.859 | 97008 |
| lithium-ion | 0.847 | 43217 |
| battery-powered | 0.830 | 58574 |
| 12-volt | 0.829 | 97503 |
| 9V | 0.808 | 95933 |
| chargers | 0.804 | 26160 |
| battery-operated | 0.801 | 82676 |
| lead-acid | 0.786 | 85356 |
| recharging | 0.784 | 39597 |
| 12V | 0.782 | 44822 |
| volt | 0.780 | 26317 |
| Batteries | 0.774 | 37885 |
| cordless | 0.759 | 30215 |
| battery's | 0.758 | 97976 |
| recharges | 0.757 | 80583 |
| replaceable | 0.748 | 41189 |
| Lithium | 0.745 | 40293 |
| 12v | 0.745 | 58231 |
| lithium | 0.744 | 21611 |