This is a replacement Tovatec 26650-A Rechargeable Battery that fits the dive light—manufactured by XTAR for TOVATEC. Branding may differ from the picture. 

• Volts - 3.7 volts
• Milliamp Hours- 4500 mAh
• Watt-hours - 16.65-watt hours
• Safety Control circuit - Yes
• Manufactured by XTAR for TOVATEC