Always check your dive computers battery level before a dive trip, keep a battery change kit handy for those emergencies when you find it low. These kits include a new battery, a replacement O-ring.
CAUTION: Ensure you have the proper training to maintain your own equipment, Diving Solutions holds no responsibility for misuse, damage or injury caused by using this item. It is your own responsibility to check part suitability when fitting. If you're not sure, please check with a trained professional.