PHONE CHARGING KIT CHECKLIST Yenra | Updated September 8, 2026 Article and source context: https://yenra.com/wireless-phone-kit/ Purpose: verify the actual charger/cable/phone/power-bank combination before relying on it. Phone model and manufacturer charging instructions: ________________________ Charger model / port / supported outputs / protocol: _______________________ Cable connectors / power rating / needed data capability: _________________ Power bank model / Wh / phone output / recharge input: _____________________ Test date / starting charge / interval / ending charge: ____________________ [ ] Intended charger port and cable charge the partly discharged phone. [ ] Cable seats with the case attached; no visible damage or device warning. [ ] Both devices charge when sharing a multiport adapter, if intended. [ ] Bank charges the phone; packed kit also recharges the bank. [ ] Spare cable tested with the same phone. [ ] Travel input-voltage and outlet requirements checked in adapter instructions. One component changed / repeat-test result: ________________________________ FICTIONAL EXAMPLES, NOT PRODUCT RATINGS OR MEASURED PERFORMANCE 20 W phone limit + compatible 30 W port + compatible 60 W cable: up to the phone's 20 W limit for the supported profile; actual power can be lower. 10,000 mAh at nominal 3.7 V = 37 Wh. Assumed 80% total delivery efficiency: 37 x 0.8 = 29.6 Wh. Invented phone battery 20 Wh: 29.6 / 20 = 1.48 full-charge equivalents. Real losses, use, temperature, and battery condition change the result. Consult article's USB-IF and manufacturer sources for compatibility. Follow device warnings and stop using visibly damaged equipment.