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A full charge can top up a typical smartphone 1.5 - 2.5 times, depending on type of phone/battery. Never buy a look-alike fake power bank again. Always check brand authenticity. Learn more about HG 4000 mAh solar power bank capacity at “What capacity should you buy?” section of our Quality Assurance page.

HetoGrow universal portable solar charger power banks are compatible with all digital devices with USB connector, such as mobile phones, Bluetooth headsets, PDAs, MP3 players, gaming consoles, cameras, etc.

Waterproof against splashes and designed to fast charge gadgets with USB android cables and provide highly efficient and renewable LED flashlight. Charge with electricity or sunlight using the crystal silicon solar panel that supplements power bank charging during the day. This provides solar support and emergency power back up as it recharges the power bank on exposure to the sun. The product is designed for mobile phones and 5V devices. Great in emergency situations, outdoors in remote places, travelling, camping or even at a business summit.

HetoGrow universal solar power banks are equipped with in built extra overcharge protection and anti discharge technology that retains power for well over 12 months when fully charged. For information about how to charge a power bank and how to charge a phone with a power bank, see the user manual page. You deserve the best.

Product Information

This is a new high quality dual USB output REAL 4000 mAh universal solar charger power bank. Anti-explosion, lightweight, compact and reliable, long lifespan. Portable, safe, dust and shock proof, anti-slip, and reliable; perfect for using while travelling, camping and other outdoor and indoor activities. Compatible with all USB mobile phones, tablets, notepads and other electronic devices up to 5V. High output LED flashlight with 5 LED bulbs that show the indicative power level and progressive charging status. Long lifespan with 500-1000 times charging capacity with discharging protection. Can retain power for over 12 months if fully charged. Enjoy charging anytime and anywhere with emergency solar panel charging.

HetoGrow Solar Power Bank Warranty

We offer 3 months automatic standard warranty extendable for a further 9 months. Before using the product, it is strongly advised that you read the User Manual and Caution Notes at the back of the pack. Also, as with new mobile phones, it is strongly recommended that you charge your product for at least 6 hours, perhaps overnight, before first use. This ensures optimal performance for your enjoyment.

Key Features

2 USB connections to charge 2 devices simultaneously
Power indicator button - press once to turn on. Double click to turn off
Flash light on the side. Long press the power button for 3-5 seconds to turn on/off the LED torch light.
Transfer power to charge other power banks
4000 mAh solar charger external battery power bank with Li-Polymer battery
Charge a typical smartphone 1.5 - 2.5 times, depending on type of phone/battery
Fast charging capability with USB 3.0 android cable included in pack.
Smart protection chip ensures anti explosion with extra overcharge protection and anti-discharge technology.
Robust design suitable for multiple purposes.
Long service life with over 800 life cycle - charging and discharging.
Emergency LED torch, the LED flashlight works perfectly in darkness, especially for emergency.
5 LED power indicator bulbs show on/off or charge status - progressive charging and discharging.
If solar charging, 1 green bar comes on
Press power button to see progressive charge level.
Environmentally friendly silica gel and ABS+PC materials, and rubber paint surface process
Compact, portable & stylish design.

Specifications

Charge time: depends on brightness of the sun and exposure. Expect to charge over a couple of days with solar panel or 3 to 6 hours (best overnight) for USB charging especially before first time use. Recharge a standard smartphone in 1-2 hours
Battery Capacity: 4000 mAh Li-polymer battery
Solar PV: up to 4w in ideal situations and up to 2w on average depending on exposure to sunlight
If solar charging, LED bulbs indicate progressive levels of charge. Press power button to see charge level
Input: 5V/1A
Output: 5V/1A;5V/2.1A
Product size: 144*74*14 mm
Operating Temperature: 0-45 degrees
Compatibility: iPhone, iPad, Android phone & other 5V USB gadgets like smartwatch, GPS devices, camera, etc
Certification: CE, FCC, RoHS, UN38.3, SONPC1

Package includes