# TLDR Review: BigBlue 28W Solar Charger

*Published: 2025-08-29 | Updated: 2025-08-29 | Source: https://shopsavvy.com/reviews-tldr/bigblue-28w-solar-charger*

---

## Product: BigBlue 28W Solar Charger

## Pros
- Successfully charged a Galaxy S9 from 65% to 87% in 15-16 minutes under direct sunlight.
- Demonstrated durable performance, even when submerged briefly in water or dropped from a height.
- Foldable and compact, with a size akin to a small textbook, ideal for portability.
- Proven effective in recharging multiple devices like phones, battery banks, and camping lanterns during outdoor adventures.
- Eco-friendly solution suitable for remote locations without electrical access.
- Good build quality and sturdiness, making it reliable for camping or outdoor conditions.

## Cons
- Slower charging speeds might not support fast charging for newer devices.
- Actual output may only deliver around 14 watts, despite an advertised 28 watts.
- Setup can be finicky to ensure optimal sunlight angle for efficient charging.
- Lacks a clear indication of charging strength, potentially confusing in specific scenarios.

## Bottom Line

This product is a solid choice for campers and outdoor enthusiasts looking for a reliable, eco-friendly solar charging solution. While it proves durable and effective for various devices, its charging speeds might lag for those expecting fast charge capabilities. For users needing precise charging feedback, consider exploring the recommended upgraded model with an ammeter.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Successfully charged a Galaxy S9 from 65% to 87% in 15-16 minutes under direct sunlight. | Slower charging speeds might not support fast charging for newer devices. |
| Demonstrated durable performance, even when submerged briefly in water or dropped from a height. | Actual output may only deliver around 14 watts, despite an advertised 28 watts. |
| Foldable and compact, with a size akin to a small textbook, ideal for portability. | Setup can be finicky to ensure optimal sunlight angle for efficient charging. |
| Proven effective in recharging multiple devices like phones, battery banks, and camping lanterns during outdoor adventures. | Lacks a clear indication of charging strength, potentially confusing in specific scenarios. |
| Eco-friendly solution suitable for remote locations without electrical access. |  |
| Good build quality and sturdiness, making it reliable for camping or outdoor conditions. |  |

---

*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*