摘要 |
There is disclosed a lawn or grass mower having a cutting mechanism (14) driven by an electric motor (10), the electric motor (10) being powered by a rechargeable lead acid batter (11), the battery (11) being protected against damage caused as a result of over discharge by control means (13), said control means (13) being able to sequentially sample battery voltage discharge levels and to determine when the sampled battery voltage discharge level has dropped below a predetermined minimum level at which point disabling means (14) is activated to prevent the mower from being used again until the battery means (11) has been recharged through a complete recharging regime. <IMAGE> |