Applicable to[4unit/8 unit promo set] baofeng 888 5W set of 2 two-way radio walkie talkie Oki Toki set

·Battery capacity: 8000mAh ·After fully charged, the battery life of the product under normal use: about 3-4 days Battery life: 1-3 years. Battery life using charging case: 1-3 years. ·Battery maintenance instructions Equipment care: Improper use of equipment can cause battery life to decrease rapidly. "Improper use" includes: overcharging, over-discharging, high and low temperature environments, etc. When the battery power is lower than 10%, please try to avoid using the walkie-talkie; when the battery power is lower than 5%, please do not use the walkie-talkie, as this will cause irreversible damage to the battery. Do not expose items to sunlight. . Charging time reminder: If the battery power is less than 10%, there will be a "battery low" voice prompt to remind you to charge. ·First charging instructions: Before using the product for the first time, please make sure Keep it fully charged before use.