9V. A1604-2K. Long lasting guaranteed (For more details about our money back performance guarantee or leak-proof guarantee visit: www.rayovac.com/mbg). High Energy. Leak-proof guarantee (For more details about our money back performance guarantee or leak-proof guarantee visit: www.rayovac.com/mbg). Performance guarantee. We've spent over 110 years thinking about batteries so you can think about them less. Rayovac High Energy batteries are long lasting, guaranteed - plain and simple or your money back. (For more details about our money back performance guarantee or leak-proof guarantee visit: www.rayovac.com/mbg). Guaranteed to provide long lasting power in high use devices. (For more details about our money back performance guarantee or leak-proof guarantee visit: www.rayovac.com/mbg). 5 years power guarantee in storage. 100% recyclable card. Made in the USA with US and global parts.