Battery Saver - Power Master is a simple but professional tool to check battery status. Battery Saver can visualize the details of battery precisely and protect your battery. Download now ！ -Predict the runtime of battery : no more concern about power off -Remind you to stop when the battery is fully charged -Tips for battery maintenance -Beautiful screensavers when your iPhone is charging Auto-renewable subscriptions - $0.99 per week - $6.99 per year - $9.99 for Lifetime Rules that apply to all subscriptions: – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours before the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable * Terms of Use:https://batterysaverpro.cometprivacy.com/privacy * Privacy Policy:https://batterysaverpro.cometprivacy.com/terms * Contact us:https://batterysaverpro.cometprivacy.com/support