Samsung INR18650-25R 2500mAh

Genuine Samsung INR18650-25R 2500 mAh Battery Please note these are the new Samsung Green 25R (No longer blue). "What is the difference between the blue and green Samsung 25R 18650? Samsung SDI guarantees that the performance of the 25R2 with blue PVC and 25R5 with green PVC are totally same. The percentage of Electrolyte is change than 25R5 FEC: 3 -> 5% SN: 1.5 -> 1% PA77: 1-> 1.5% The life cycle would be better than 25R5 Bottom-line: The green 25R5 has a better cycle life. A cycle is one full charge and discharge of the battery. If someone asked you how old a battery is, you should answer by telling its cycle count. So what is the cycle life the 25R? A quick check of the spec sheet yields the answer: The 25R2's life is: 250 cycles. This is tested at 20A, the cell's max. continuous discharge rating. WARNING The user must have appropriate understanding of lithium ion batteries before purchase. Use caution when working with and using lithium ion batteries as they are very se