A battery case for iPhone that adds significant extra runtime while protecting the handset during everyday knocks, YISHDA Battery Case for iPhone 12 Pro Max. Ideal for users who need reliable all-day power and clear battery feedback. Is the extra bulk worthwhile for daily commuting and travel?
⚡ At a Glance
- • Charging Performance: Smart charge design prioritises the phone first, then recharges the backup pack via Lightning pass-through
- • Best for: Frequent travellers and heavy smartphone users who need extended runtime and straightforward charging
- • Not ideal for: Owners who require wireless charging, CarPlay support, or wired Lightning headphone use
High-capacity backup power pairs with a Lightning pass-through and an integrated power switch. Soft bumper construction gives drop and scratch protection while keeping ports and buttons accessible.
All-day power – thanks to 8500mAh battery pack
An 8500mAh backup battery is integrated into the case, using an internal connection to supply the handset first and then store remaining charge. Smart charge control shifts current to the phone before topping up the backup cell.
Significantly extended screen-on time for travel, long shifts or heavy use, reducing the need to hunt for a charger during the day.
Charge and sync without removal – with Lightning pass-through
Integrated Lightning pass-through allows connection to a computer or charger using the original Lightning cable while the pack remains fitted, enabling data transfer and charging simultaneously.
Quick data syncs and charging sessions without removing protective coverage, saving time and avoiding fiddly swaps at your desk or on the go.
Clear control and protection – with soft bumper frame and LED indicators
A complete soft bumper frame wraps the phone for impact and scratch protection, with precise cutouts for speakers and buttons. A power switch plus four LED indicators report remaining backup charge in 25% steps.
Easy to manage battery life and reliable physical protection make day-to-day handling and monitoring straightforward.
✨ The 4 Key Reasons for YISHDA Battery Case for iPhone 12 Pro Max
- Compatibility – Ensures precise fit for iPhone 12 Pro Max with full button access
- Pass-through Lightning – Charge and sync to a computer without removing the case
- LED Power Indicators – Four LEDs show remaining backup charge in 25% increments
- Protective Bumper – Soft frame absorbs knocks while keeping the profile relatively slim
📋 Technical Details at a Glance
- Compatibility: iPhone 12 Pro Max (6.7-inch) only
- Battery Capacity: 8500mAh
- Charging Method: Lightning pass-through for charge and sync
- Ports: Lightning port for charging and data
- Wireless Charging: Not supported
❓ Frequently Asked Questions
Q: Does this fit other iPhone models?
A: Only compatible with iPhone 12 Pro Max (6.7-inch); it does not fit iPhone 12, iPhone 12 Pro, iPhone 12 Mini or other models.
Q: Does it support wireless charging or CarPlay?
A: Wireless charging and CarPlay are not supported according to the product notes.
Q: Can I charge or sync the phone without removing the case?
A: Yes, the integrated Lightning pass-through allows charging and computer sync while the backup pack stays fitted.
🏆 Our Verdict
Suitable for iPhone 12 Pro Max owners who need reliable, extended battery life and solid everyday protection. The combination of an 8500mAh backup pack, Lightning pass-through charging and clear LED status makes power management simple. Represents sensible long-term value for frequent users who regularly run low on charge and want straightforward customer support.
