If you own a SeaLife ReefMaster RM-4K UW Camera (see SKU: SLFSL350) and either need a replacement or spare battery this is what you're looking for. Great item to have as spare when taking a dive vacation, especially when diving from a live-a-board trip. Don't let a dead battery ruin your vacation with long downtime between recharges. This powerful 3.8V 900mAh 3.42Wh rechargeable lithium-ion polymer battery is good for 2+ hours of operation. The battery can be charged inside the camera through a USB cable and wall charger. Battery makes a great save-a-dive-kit item. Always carry spare, the dive you save may be your own.
