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11
6. What’s In the Box
7. Storage & Maintenance
DELTA mini Solar Charging Cable
DC5521 to DC5525 Cable User Manual &
Warranty Card
Car Charging CableAC Charging Cable
1. Please use or store the product in an environment temperature between 68°F to 86°F, away from
water, heat, and other metal objects.
2. For long-term storage, please discharge the battery to 30% and recharge it to 60% every three
months.
3. For safety, please do not store the product in an environment temperature higher than 113°F or
lower than 14°F for a long time.
4. If the remaining battery is less than 1% after you finish using the product, please recharge it to
60% before storing. If the product is left idle for a long time with severely low battery, irreversible
damages may be caused to the battery cell and the product service life will be shortened.
5. If the product has been idle for too long and the battery is severely low, it will enter a deep sleep
protection mode. In such case, please charge the product before using it again.