Describe the advantages and disadvantages of rechargeable and non-rechargeable batteries in dive lights.
Non-rechargeable
Advantages: long burn time, light dims slowly as batteries weaken.
Disadvantages: not reusable, can’t power high wattage bulbs.
Rechargeable
Advantages: may use over again by recharging. Less expensive than non-rechargeables in the long run, power high-wattage bulbs.
Disadvantages: need careful handling and maintenance, light drops off quickly as battery weakens.