At Emergency
Anker vs RAVPower Solar Charger: A Complete Brand Overview for Emergency Preparedness

Quick Answer: Anker is the clear frontrunner for portable solar chargers in 2026, offering consistent quality, wide availability, and reliable warranties – while RAVPower, once a strong competitor, was removed from Amazon in 2021 and has limited current retail presence.

American households averaged 11 hours of power outages in 2024 – nearly twice the annual average of the previous decade, driven largely by hurricanes Helene and Milton. Climate Central’s analysis of data from 2000 to 2023 found that 80% of all major U.S. power outages were caused by extreme weather events. That’s not a fluke – it’s the new baseline.

For most families, a dead phone during a power outage isn’t just an inconvenience. It’s the loss of your emergency alert system, your communication with family, your access to evacuation maps. The FCC recommends keeping solar chargers and portable power banks on hand specifically for this reason.

Portable solar chargers have gone from niche camping gear to legitimate emergency preparedness tools. Two brand names that come up repeatedly in that search – Anker and RAVPower – require a clear-eyed comparison before you decide which deserves a spot in your emergency kit. This overview breaks down what each brand actually offers, where one has pulled ahead significantly, and which Batten-curated options are worth stocking today.

Key Takeaways

  • Anker is the dominant portable solar charger brand in 2026, with consistent availability, strong warranties, and verified performance across SunPower-cell foldable panels.
  • RAVPower was removed from Amazon in June 2021 after a Wall Street Journal investigation revealed the brand was offering gift cards in exchange for product reviews – limiting its current retail reach.
  • The FCC explicitly recommends solar chargers as part of household emergency communication preparedness.
  • EIA data shows U.S. customers lost an average of 11 hours of power in 2024, nearly double the prior decade’s average – making backup charging a genuine necessity, not optional gear.
  • For emergency-ready solar charging, browse Batten’s power generation collection for curated options tested for real-world outages.

Anker and RAVPower: A Brand-Level Overview

Comparing Anker and RAVPower at the product level used to be straightforward. Both brands competed head-to-head in the portable charger market throughout the late 2010s and early 2020s. Today, that comparison looks very different – and understanding why matters before you buy.

Anker: The Current Standard-Bearer

Anker has held roughly 38% of the U.S. market share among premium portable chargers, built on aggressive R&D investment and consistent compliance with USB-IF certification standards. Their portable solar charger line – anchored by the PowerPort Solar series and the newer SOLIX-integrated panels – uses SunPower Maxeon solar cells, which convert up to 23.5% of sunlight into usable power. That efficiency rating places them among the most capable cells available in portable solar panels.

The Anker 21W PowerPort Solar folds into a package roughly the size of a thick magazine (11.1 x 6.3 inches) and weighs just over a pound. It features two USB-A ports with PowerIQ technology, which automatically detects the optimal charging current for connected devices. Independent outdoor testing consistently puts it in the top tier of sub-25W portable solar panels for charging consistency in both direct and intermittent sun.

Anker backs its products with an 18-month manufacturer’s warranty and has a well-documented customer service track record. For emergency preparedness, that combination of performance, availability, and post-purchase support is hard to beat.

Anker Solar Charger at a Glance

  • Key Line: PowerPort Solar 21W / Anker SOLIX Solar Panels
  • Solar Cell Technology: SunPower Maxeon – up to 23.5% conversion efficiency
  • Output: Dual USB-A ports (2.4A per port, 4.8A combined); newer models include USB-C
  • Weight: ~16.4 oz (PowerPort 21W)
  • Folded Dimensions: 11.1 x 6.3 x 1.1 inches
  • Durability: Industrial-strength PET polymer face, polyester canvas, stainless steel eye-holes for hanging
  • Warranty: 18-month manufacturer warranty
  • Availability: Widely available (Amazon, anker.com, major retailers, Batten.shop)

Pros:

  • Industry-leading SunPower cell efficiency (up to 23.5%)
  • PowerIQ technology optimizes output per connected device
  • Lightweight and compact for an emergency kit or go-bag
  • Stainless steel eye-holes allow it to hang from a backpack or tent
  • 18-month warranty with reliable customer service
  • Consistent, wide retail availability

Cons:

  • No built-in battery – requires a separate power bank
  • Charging slows significantly under shade or cloud cover
  • USB-C Power Delivery only available on newer/larger models
  • Not fully waterproof (splash-resistant only)

anker-vs-ravpower-solar-charger-2

RAVPower: A Capable Brand with a Complicated Present

RAVPower built a strong reputation through the late 2010s as a budget-friendly alternative to Anker, often matching specifications at lower price points. Their iSmart technology – similar in function to Anker’s PowerIQ – automatically detected and delivered optimal charging current to connected devices. Their 16W and 24W foldable solar panels performed mid-pack in independent outdoor testing, adequate for casual camping and phone charging.

The brand’s trajectory changed sharply in June 2021. A Wall Street Journal investigation revealed that RAVPower was including offers for $35 gift cards in product packaging in exchange for Amazon reviews – a practice Amazon had explicitly banned since 2016. Amazon removed all RAVPower listings from its marketplace, along with sub-brands TaoTronics and VAVA under parent company Sunvalley Group. The removal cost Sunvalley an estimated 31% of revenue and led to a 12% drop in company stock.

RAVPower maintains a direct-to-consumer website at ravpower.com and continues to sell through some regional distributors. However, their reduced retail footprint means reduced quality control visibility, fewer independent reviews of current models, and less post-purchase support infrastructure than Anker offers. For emergency preparedness – where reliability is non-negotiable – that matters.

RAVPower Solar Charger at a Glance

  • Notable Lines: 16W Prime, 24W foldable solar panels (pre-2021 models most reviewed)
  • Solar Cell Technology: SunPower cells; 21.5-23.5% conversion efficiency
  • Output: 3 USB-A ports (up to 2.4A per port, 4.8A combined)
  • Weight: ~2.5 lbs (24W model, heavier than comparable Anker)
  • Durability: Water-resistant, foldable design with reinforced eyelets
  • Warranty: 12-month (standard); limited current availability
  • Availability: Removed from Amazon (2021); direct site and regional distributors only

Pros:

  • Historically competitive pricing vs. Anker
  • Three USB ports allow simultaneous multi-device charging
  • Larger surface area on 24W model captures more direct sun
  • iSmart technology delivers optimized current per device

Cons:

  • Removed from Amazon in 2021 for review manipulation violations
  • Limited independent testing of current product lineup
  • Reduced post-purchase support infrastructure vs. Anker
  • Heavier and bulkier than comparable Anker models
  • Less available through major retailers

Anker vs RAVPower Solar Charger: Side-by-Side Comparison

Feature Anker PowerPort 21W RAVPower 24W (Pre-2021)
Solar Cell Efficiency Up to 23.5% (SunPower) 21.5-23.5% (SunPower)
Output Wattage 21W 24W
USB Ports 2 (USB-A) 3 (USB-A)
Max Output 4.8A combined 4.8A combined
Charging Tech PowerIQ iSmart
Weight ~16.4 oz ~40 oz
Warranty 18 months 12 months
Amazon Availability Yes – widely available No – removed June 2021
Folded Size 11.1 x 6.3 in Larger multi-panel design
Built-in Battery No No
Best For Emergency kit, hiking, travel Pre-2021 campers/hikers

The Anker 21W’s lighter weight gives it a significant advantage for emergency go-bags, where every ounce matters. RAVPower’s three-port design was useful for multi-device charging, but the brand’s current limited availability makes direct purchase difficult through vetted retail channels. For an emergency preparedness purchase, verifiable source and warranty support are not optional.

Value Comparison: Solar Charger Output Per Dollar

Brand/Model Street Price (Approx.) Output Wattage Wh Per Dollar Warranty Amazon Availability
Anker PowerPort 21W $45-$65 21W High 18 months Yes
RAVPower 24W $35-$50 (pre-2021) 24W High 12 months No
Hiluckey 25000mAh Solar Bank $28-$57 6W solar + 15W USB-C Excellent (combo) 18 months Yes
Goal Zero Nomad 20 $100-$130 20W Moderate 12 months Yes
BigBlue SolarPowa 28 $60-$80 28W High 12 months Yes

Anker’s cost-per-watt sits competitively against current alternatives with full retail availability. RAVPower’s pre-removal pricing was marginally lower, but the inability to purchase through a major retailer with buyer protections offsets any past price advantage. For emergency preparedness, purchasing through established channels with clear return policies is part of responsible gear selection.

Batten-Curated Solar Charging Options for Emergency Prep

The right solar charging setup depends on your scenario. A foldable panel charges a power bank slowly over a day in the field. An integrated solar power bank gives you stored capacity plus solar top-off. A compact emergency card charger covers you when everything else runs out. Here’s how Batten’s lineup addresses each need.

Hiluckey Solar Charger 25000mAh – Best Integrated Solar Bank

The Hiluckey 25000mAh is the solar power bank for extended off-grid scenarios. With four foldable solar panels rated at 6W total output in direct sunlight, it can generate 15-20% charge per day in optimal desert or mountain sun conditions. More practically, the 25,000mAh internal battery charges 8-10 smartphones or a tablet 3-4 times from stored capacity alone – treat the solar panels as a meaningful supplement, not the primary source.

Fast charging via 15W USB-C output reaches 50% on an iPhone in about 30 minutes. The rugged, splash-resistant construction is rated for camping and field use. At roughly $28-$57 (currently on sale at Batten), it’s the most capable all-in-one solar charging option in this price range for emergency preparedness.

Hiluckey Solar Charger
Hiluckey Solar Charger
$28.19
Batten.shop

Hiluckey 25000mAh at a Glance

  • Price: $28.19-$56.99 (current Batten pricing)
  • Capacity: 25,000mAh (8-10 phone charges)
  • Solar Output: 6W (4 panels, direct sunlight)
  • USB Outputs: 1x USB-C (15W fast charge) + 2x USB-A
  • Weight: ~1.3 lbs
  • Durability: Dust, shock, and splash resistant
  • Built-in Flashlight: Yes (emergency signaling)
  • Best For: Multi-day camping, extended outages, go-bags
  • Buy: Hiluckey 25000mAh at Batten

20,000mAh Solar Power Bank Charger – High Capacity for Families

For households needing to keep multiple devices running – phones for two parents, a tablet for kids – the 20,000mAh solar bank delivers substantial stored capacity alongside solar backup capability. The 20,000mAh rating covers approximately 5-6 full smartphone charges, making it a solid multi-person power reserve during outages lasting 24-48 hours.

The solar panel provides supplemental charging in direct sun, extending the bank’s usable life during multi-day disruptions. This is the right tier for suburban households building out their emergency kit alongside a generator-based backup strategy.

20000 mAh Solar Power Bank & Charger
20000 mAh Solar Power Bank & Charger
$95.00
Batten.shop

20,000mAh Solar Bank at a Glance

Battarix Power Card Portable Charger – The Emergency Last-Resort Option

The Battarix Power Card is pre-charged at the factory and ready to use immediately – no wall charging required. It ships with both Lightning (iPhone) and USB-C (Android) cables built in, meaning no cable hunting during an emergency. At credit-card size, it fits in a wallet, a glove compartment, or the side pocket of a first aid kit.

The Battarix earns its place in every emergency kit not because it replaces a full-capacity bank, but because it provides guaranteed charge availability when every other device is dead and drained. Think of it as the emergency backup for your backup. The 8-year shelf life means you pack it once and check it once a year.

BATTARIX Power Card - Portable Charger Power Bank
BATTARIX Power Card - Portable Charger Power Bank
$13.48
Batten.shop

Battarix at a Glance

  • Price: $13.95 (Batten sale price)
  • Form Factor: Credit-card size, wallet-ready
  • Cables Included: Built-in Lightning + USB-C
  • Shelf Life: 8 years pre-charged
  • Best For: Car emergency kits, wallet EDC, first aid kit supplement
  • Buy: Battarix Power Card at Batten

Packlite Max 2-in-1 Power Lantern – Solar Charging + Emergency Lighting in One

The Packlite Max pulls double duty: it’s a collapsible solar lantern and a USB device charger. For power outages, combining lighting and device charging into a single solar-powered unit reduces the number of separate items you need to manage. The inflatable, waterproof design packs flat and weighs next to nothing, making it equally useful in an apartment emergency kit and a rural bug-out bag.

This is the tool you grab when you want to stop fumbling with separate flashlights and power banks during an outage. One solar unit, two functions.

PackLite Max 2-in-1 Power Lantern
PackLite Max 2-in-1 Power Lantern
$49.95
Batten.shop

Packlite Max at a Glance

  • Price: Check Batten listing
  • Functions: Solar lantern + USB device charger
  • Design: Inflatable, collapsible, waterproof
  • Best For: Power outages, camping, compact emergency kits
  • Buy: Packlite Max at Batten

How to Choose the Right Solar Charger for Your Emergency Scenario

Not every emergency situation calls for the same solution. Here’s how to match solar charging gear to your actual preparedness scenario:

  • Short outage (under 24 hours): A 10,000-20,000mAh power bank charged from the wall before the storm hits covers most families. Solar is supplemental.
  • Extended outage (24-72 hours): A 20,000-25,000mAh integrated solar bank provides meaningful solar top-off on sunny days. The Hiluckey 25000mAh or 20,000mAh Solar Bank are appropriate here.
  • Multi-day or bug-out scenarios: A foldable solar panel (21W-28W) paired with a high-capacity power bank provides the most consistent charging over multiple days. Anker’s PowerPort 21W used alongside a 20,000mAh+ bank covers this scenario well.
  • Always-ready backup: The Battarix Power Card goes in the car or wallet and stays there – no maintenance required for 8 years.
  • Combined lighting and charging: The Packlite Max reduces gear load for anyone who needs both illumination and USB charging without carrying two separate items.

For larger-scale backup power needs – running medical devices, refrigerators, or whole-room lighting – portable solar chargers aren’t the right tool. See Batten’s guides on comparing portable generators, choosing a natural gas home generator, and the DuroMax XP10000E generator review for whole-home power solutions.

Solar Charger Performance in Real Outage Conditions

A few practical realities that don’t always show up in spec sheets:

  • Solar only works in direct sun. A foldable panel attached to a backpack while hiking in a wooded area produces little to no usable charge. For meaningful solar top-off, the panel needs 4-6 hours of unobstructed direct sunlight – ideal for a roof, windowsill in the right orientation, or open campsite, not a shaded suburban backyard.
  • Cloudy conditions significantly reduce output. Anker’s SunPower cells perform better in indirect light than lower-efficiency competitors, but all portable panels slow dramatically under cloud cover. In our scenario testing, a 21W panel might deliver 3-5W during overcast skies – enough to trickle-charge a phone but not enough to fill a 20,000mAh bank in a day.
  • Pair a panel with a power bank, not a device directly. Direct panel-to-phone charging risks interrupted charge cycles when clouds pass. The current interruption can stress some phone charging circuits. Best practice: panel charges a power bank, power bank charges the device – a more stable and safer configuration.
  • Temperature matters. Hot ambient temperatures reduce lithium battery performance. In a car in summer, a power bank left in direct sun can reach temperatures that trigger thermal protection shutoff. Store charged banks in a cool, shaded location during warm-weather outages.

For additional guidance on communicating during outages and non-phone-dependent backup options, see how to communicate in emergencies without cell service.

Your Solar Charging Emergency Prep Starts Here

Ready to build a reliable charging system for the next outage? Browse Batten’s power generation collection for emergency-tested solar banks, foldable panels, and backup chargers – curated for families, not just survival enthusiasts.

Building Your Solar Charging Setup: The Bottom Line

Anker has earned its position as the go-to portable solar charger brand for emergency preparedness in 2026 – wide availability, consistent performance, 18-month warranties, and an established support infrastructure give it a clear practical edge over RAVPower’s current limited retail presence.

RAVPower built a legitimately capable product line before its Amazon removal in 2021. If you already own RAVPower gear from before that period, it will likely still perform – the products themselves weren’t recalled for safety failures. But for a new purchase, especially one going into an emergency kit that needs to work reliably years from now, buying through a channel with full retail accountability matters.

The Batten-curated options – the Hiluckey 25000mAh Solar Bank, 20,000mAh Solar Power Bank, Battarix Power Card, and Packlite Max 2-in-1 Lantern – cover the full range of emergency charging needs from wallet-ready last-resort options to multi-day off-grid capacity. Pair them with Batten’s emergency food and communication resources and you’ve addressed the three most critical gaps in household preparedness: power, nutrition, and communication.

For broader emergency power planning, explore Batten’s coverage of emergency food for the car and solar power bank options for backpacking.

Frequently Asked Questions

Is Anker Better Than RAVPower for Solar Chargers?

For most emergency preparedness buyers in 2026, yes. Anker offers wider retail availability, an 18-month warranty, and consistent SunPower cell performance. RAVPower was removed from Amazon in 2021 for review policy violations, limiting current purchase channels. Both used similar high-quality solar cells historically, but Anker’s accessible support structure makes it the safer choice for a new purchase.

Are RAVPower Solar Chargers Still Good?

RAVPower panels made before 2021 remain functional if maintained properly – the Amazon removal was for review policy violations, not product safety failures. However, purchasing new RAVPower solar chargers through unverified third-party sellers carries added risk. Stick to brands with verified current retail presence for new emergency gear purchases.

Which Solar Charger Is Best for Emergency Camping?

For multi-day camping and emergency scenarios, a solar power bank with high capacity and integrated panels – like the Hiluckey 25000mAh – outperforms a foldable panel alone. It stores power for use overnight or on cloudy days, charges multiple devices, and includes an emergency flashlight. Foldable panels work best paired with a separate high-capacity bank.

Can an Anker Solar Charger Charge an iPhone?

Yes. Anker’s PowerPort Solar panels are compatible with all iPhones via USB-A to Lightning cable (not included). The PowerIQ technology automatically detects and delivers optimal charging current. Newer Anker models with USB-C Power Delivery support faster charging for iPhone 12 and later models.

How Long Does a Solar Charger Take to Charge a Phone?

In direct, unobstructed sunlight, a 21W foldable panel can charge a smartphone (approximately 3,000-4,000mAh battery) from 0-100% in 1.5 to 3 hours. Charging slows dramatically under cloud cover or partial shade. Charging a phone via a pre-loaded 25,000mAh power bank (like the Hiluckey) takes 45-90 minutes regardless of sunlight conditions.

Do Anker Solar Chargers Work in Cloudy Weather?

Anker’s SunPower Maxeon cells perform better in low-light conditions than most competing cell types, but output drops significantly under overcast skies. In our testing scenarios, a 21W panel may deliver only 3-6W during moderate cloud cover – enough for slow trickle charging but not efficient panel use. A pre-charged power bank is more reliable for consistent output during extended cloudy outages.

Are Solar Power Banks Better Than Foldable Solar Chargers for Emergencies?

For most households, an integrated solar power bank offers more practical emergency value than a foldable panel alone. The stored battery capacity works regardless of weather or time of day. A foldable panel requires direct sun and real-time connection to a device or bank. The ideal emergency setup combines both: a high-capacity integrated bank as your primary source and a larger foldable panel for sustained off-grid scenarios lasting more than 3 days.

What Wattage Solar Charger Do You Need to Charge a Phone?

A 10W-21W foldable solar panel is sufficient to charge a smartphone directly in direct sun, or to trickle-charge a power bank. 21W is the practical sweet spot – enough to charge most phones in under two hours in optimal sun while remaining compact and light enough for a go-bag. Panels under 10W often struggle to maintain a stable enough output to keep some devices charging without interruptions.

Is a Portable Solar Charger Worth Buying for Emergency Prep?

Yes, with realistic expectations. A portable solar charger won’t replace grid power or run appliances. It will keep phones, emergency radios, headlamps, and small medical devices charged during outages lasting 24-72 hours or longer. Given that U.S. customers averaged 11 hours of outage time in 2024 – and rural households experience outages far more frequently than urban areas – a solar charger is a low-cost, compact addition to any emergency kit with genuine real-world value.

Sources Used for This Article

  • “FCC/FEMA Emergency Communications Tips,” 2024, Federal Communications Commission, https://www.fcc.gov/emergency
  • “Weather-related Power Outages Rising,” 2024, Climate Central, https://www.climatecentral.org/climate-matters/weather-related-power-outages-rising
  • “Americans Lost More Power Last Year Than Any Year in Previous Decade,” 2025, Utility Dive / U.S. Energy Information Administration, https://www.utilitydive.com/news/hurricane-power-outage-electricity-climate-change-helene-milton/806771/
  • “Amazon Just Booted RavPower for ‘Incentivized’ Reviews,” 2021, Tom’s Guide, https://www.tomsguide.com/news/amazon-just-booted-another-gadget-brand-for-incentivized-reviews
  • “The Removal of RAVPower and Aukey from Amazon,” 2023, Switch Chargers, https://switchchargers.com/the-removal-of-ravpower-and-aukey-from-amazon/
  • “Best Solar Charger Power Banks – Tested & Rated,” 2025, OutdoorGearLab, https://www.outdoorgearlab.com/topics/camping-and-hiking/best-solar-power-bank
  • “Hiluckey Solar Charger 25000mAh Review,” 2025, Today’s Tech Bytes, https://www.todaystechbytes.com/hiluckey-solar-charger-25000mah-review/
  • “Power Outage – Be Prepared,” December 2023, FEMA, https://www.ready.gov/sites/default/files/2024-03/ready.gov_power-outage_hazard-info-sheet.pdf