ALLPOWERS SP002 21W Solar Panel Charger with 10000mAh Built-in Battery – Portable Folding Solar Power Bank, IP67 Waterproof, High Efficiency 22-25% Conversion for Camping, RV, and Outdoor (SP002-21W)

Price: $59.00 - $56.05
(as of Feb 10, 2026 14:28:42 UTC – Details)

Product description

Built-in 10000mAh Battery

The first and the only solar panel brand with built in battery on market. Store energy and supply power to your device whenever and wherever, ALLPOWERS 21W solar panel even can charge your devices at night, but most solar panels can not be used at night in market.

Specification:

–Built-in battery: 10000mAh

–Charging time: about 6-8 hours (70000lux light conditions)

–Solar Panel Peak Power: 21W

–Solar Conversion Rate: 23.5%

–Outputs: USB-A: 2x 5V3.0A(Max.) x 2 ; 1x USB-C: PD 18W max.

–Inputs: 1x Micro USB & 1x USB-C

–Folded Size: 34 x 18 x 2 cm

–Unfolded Size: 58 x 18 x 1 cm

–Net Weight: 695g

【High-Efficiency Charging】 ALLPOWERS SP002 portable solar panel delivers a peak power output of 21W, supported by a photoelectric conversion efficiency of 22-25%. This ensures consistent and efficient energy harvesting under real-world solar exposure. Ideal for camping or integration into an RV solar kit, the panel reliably charges the built-in 10000mAh lithium-polymer battery or powers devices directly through its triple-output interface. Under standardized laboratory lighting conditions of 70,
【Built-in Power Bank】 Unlike many solar chargers that cannot store energy, the SP002 features a integrated 10000mAh lithium-polymer battery, allowing you to store solar or grid-derived power for use anytime. This built-in battery can be charged via solar power or a wall adapter (Micro input supports up to 12V/1.5A with a QC 3.0 adapter for a full charge in about 3-4 hours), offering flexibility and convenience. This feature makes it not just a solar panel but a complete portable power solution,
【Triple Output Ports】 Equipped with two USB ports (USB1: 5V/2A, USB2: 5V/3A, 9V/2A, 12V/1.5A) and a Type-C port supporting 18W Power Delivery for both input and output, this portable solar panel can simultaneously charge multiple devices like smartphones, tablets, and power banks. The intelligent iSolar chip technology automatically detects connected devices and sunlight intensity to optimize the power distribution, ensuring efficient and safe charging. When using multiple ports simultaneously,
【Portable & Durable Design】 Designed for mobility, this folding solar panel folds down to a compact 305 x 180 x 20 mm (12 x 7.08 x 0.79 inches) and weighs just enough to be highly portable, easily fitting into a backpack. The robust construction includes materials treated to be waterproof, corrosion-resistant, and capable of withstanding high temperatures, complemented by an IP67 rating that protects against dust and temporary water immersion. The built-in zippered pocket safely stores cables an
【Smart & Safe Operation】 The SP002 features intelligent iSolar technology, which regulates power delivery in real time to maximize charging efficiency from variable sunlight. Integrated protections guard against over-current, short-circuit, and overcharging. Its pass-through charging capability ensures seamless operation, allowing the panel to power connected devices while simultaneously storing energy, with priority given to the load. Clear LED indicators display real-time battery level and sta