About this item Battery Type: This is 18500 3.2v rechargeable lithium-ion battery. Size: 1.97 inches in length and 0.7 inches in width. (Not AA or AAA Size Battery) Wide Compatibility: JESSY 18500 3.2v rechargeable battery compatible with outdoor solar lights, garden solar lights, landscape lighting, flashlights, security system panels. Great Capacity & High Cycle Life: 1000mAh high capacity batteries, that is installed in the solar light or on the charger and can be charged over 1500 times. long lasting and durable, which can help you save money. Long-lasting: Install the 18500 3.2v battery in the solar light, it can work well and make your solar lights brighter at night. 100% Guarantee: If you do not like our 18500 3.2V lithium batteries, please contact us and we will replace them or give you a full refund. › See more product details