Compatible Scanners: for tc70 tc75 tc75ek tc75ah tc75gk tc700h tc700k tc72 tc77hl tc75fk tc70x tc720l tc70x tc75x tc75bh tc77 battery charger | Compatible Battery Models: for bt-000318-01 82-171249-01 82-171249-02 btry-tc70x-46ma1-01 btry-tc7x-46ma2 bt-000318 battery charger | Package included: 4 slot charging cradle for tc77 and Power Adapter | Long-lasting & Safety: Charging four tc77 batteries at once is a very convenient feature. With the help of this 4 slot charging cradle for tc77, your scanner will be charged consistently and efficiently. When the tc77 battery is charging, a red light appears; when it is finished, a green light appears. By incorporating temperature control, short circuit protection, over-current, over-voltage, and over-charging protection into its design, this 4 slot charging cradle for tc77 battery prevents your scanner from overcharging damage. | Great Customer Service: Please contact us anytime if there is anything we could help you with. We promise you a perfect resolution within 24 hours. We take care of all quality-related issues.