Baofeng BF-88ST - Enhance your old stuff! As the upgraded version of BF-888S, our new BF-88ST shows better performance on use and safety. Reviewed thousands of feedback from active customers, BF-88ST has superior quality at the following three main aspects: 　 Faster Charge - Better Charger Chip The upgraded charger chip provides higher protection. The new chip saves 25% charging time than the old version’s. More important, it has higher safety performance More Safe - New Battery Contacts Battery failure rate reduced. The old damageable contact spots have been upgraded to contact blades, which make the battery more durable and steady.