My phone doesn't charge other devices when its battery is low

Applicable products: HUAWEI Mate40 lite E,HUAWEI P30 Pro(single sim card 8gb+256gb、dual sim card 8gb+512gb、single sim card 6gb+128gb、dual sim card 8gb+256gb、single sim card 8gb+128gb、dual sim card 8gb+128gb),PORSCHE DESIGN HUAWEI Mate RS,HUAWEI Mate 30(dual sim card 8gb+256gb、dual sim card 8gb+128gb),PORSCHE DESIGN HUAWEI Mate 20 RS,HUAWEI Mate 30 Pro(dual sim card 8gb+256gb、dual sim card 8gb+128gb),HUAWEI Mate 30 Pro 5G(dual sim card 8gb+256gb、dual sim card 8gb+128gb),HUAWEI Mate 20 Pro,HUAWEI Mate 40 Pro(single sim card 8gb+256gb、dual sim card 8gb+256gb),HUAWEI Y9s(huawei p smart pro dual sim card 6gb+128gb),HUAWEI P smart Pro,HUAWEI P40 Pro+(dual sim card 8gb+512gb),HUAWEI P40 Pro(single sim card 8gb+256gb、dual sim card 8gb+256gb)
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My phone doesn't charge other devices when its battery is low

When your phone's battery is lower than 20%, wireless reserve charging is automatically disabled, to ensure normal operations and charging performance.

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