HIGH-CAPACITY POWER 3.7V 1100mAh rechargeable lithium-ion batteries for compact walkie-talkies and communication devices ^^ LIGHTWEIGHT AND PORTABLE Each battery weighs just 21 g ( 0.74 oz), ideal for outdoor and daily field use ^^ LONG-LASTING USAGE One full charge provides up to 812 hours of use time depending on the device and transmission level ^^ DIRECT FITMENT Replaces KB-5C, BL22 battery models with precise connector and voltage ^^ COMPATIBLE MODELS RT22 RT22S RT15 RT19 LUITON LT-316 TIDRADIO TD-M8 Zastone X6 WLN KD-C1 Zeadio ZS-B1 AP-100 NKTECH NK-U1