Do you have solar lights that use 3.2-volt lithium phosphate rechargeable batteries? This 2 pack of UL14430SL-2P 14430 Lithium Batteries for Solar Lighting from Ultralast is just what you need. These are only to be used in high output super bright solar lights that use 3.2 volt 400 mAh batteries. They meets or exceeds original manufacturer specifications.