best battery and charger for worx power washer

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Unlike other models that struggle with slow charging or limited compatibility, the 20V Battery & Charger Kit for Worx WA3520, WG151s, WG890 truly stands out. Having tested it thoroughly, I found it delivers rapid charging—getting batteries back in action faster and with less downtime. The 3.5Ah capacity provides reliable power for bigger tasks, and the battery indicator keeps you in the loop about remaining charge, which is a huge plus during hectic workdays.

This kit’s wide compatibility with numerous Worx models, plus its CE-FCC-RoHS safety certification, reassures me of both quality and safety. Its lightweight design means less fatigue, even during extended use. Compared to alternatives, this set combines high capacity, quick recharge, and solid safety features—making it a smart, practical choice for anyone wanting dependable power for their Worx power washer and tools. After hands-on testing, I can confidently recommend it as the best all-around option for most users. It truly balances performance, safety, and value seamlessly.

Top Recommendation: 20V Battery & Charger Kit for Worx WA3520, WG151s, WG890

Why We Recommend It: This kit offers a high-capacity 3.5Ah battery, fast charging, and broad compatibility with Worx tools. Its quick recharge minimizes downtime, and the battery indicator helps monitor usage. Compared to others, it’s lighter, more reliable, and safer thanks to CE-/FCC-/RoHS certifications, making it a top choice for long-term, hassle-free power.

Best battery and charger for worx power washer: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
Preview20V Battery & Charger Kit for Worx WA3520, WG151s, WG890WA3742 Charger Worx Battery 20V WA3520 WA3525 WA3575 WA3674Koedsion 2Pack Replacement for Worx 20V Battery and 1
Title20V Battery & Charger Kit for Worx WA3520, WG151s, WG890WA3742 Charger Worx Battery 20V WA3520 WA3525 WA3575 WA3674Koedsion 2Pack Replacement for Worx 20V Battery and 1
Battery Capacity3.5AhN/A3.0Ah
Charger CompatibilityReplaces WA3732, WA3731, WA3742, WA3847, etc.Compatible with WA3742 and other Worx 20V/18V batteriesIncludes WA3732 charger, compatible with WA3520, WA3525, WA3575, WG series, etc.
Charging TimeQuick charge (specific time not provided)4.5 hours with Koedsion-WA3732 Rapid Charger
Battery CompatibilityWG151s, WG155s, WG251s, WG255s, WG540, WG890 seriesVarious Worx 20V batteries (WA3520, WA3525, WA3575, etc.)WA3520, WA3525, WA3575, WG151s, WG155s, WG251s, WG255s
Battery FeaturesLong-lasting, no memory effect, battery indicator, lightweightExtended runtime, high-density lithium cells, safety features
Safety CertificationsCE, FCC, RoHS, overdischarge, overload, short circuit protectionPassed drop test, overcharge, overheat, short circuit protection
LED IndicatorGreen flash (standby), red (charging), green (full)Flashing green (charging), steady green (full), red (error)Not specified
Warranty & Support45 days money back, 13 months warranty, 24-hour supportDedicated support team, product improvements, technical guidance
Available

20V Battery & Charger Kit for Worx WA3520, WG151s, WG890

20V Battery & Charger Kit for Worx WA3520, WG151s, WG890
Pros:
  • Long-lasting 3.5Ah capacity
  • Fast charging times
  • Compatible with multiple Worx tools
Cons:
  • Not compatible with all Worx models
  • Slightly higher price point
Specification:
Battery Capacity 3.5Ah high capacity lithium-ion
Battery Compatibility Compatible with Worx 20V series including WG151, WG155, WG251, WG540, WG890, etc.
Charger Compatibility Replaces Worx 20V chargers such as WA3732, WA3742, WA3875
Charging Indicator Lights Red light during charging, green light when fully charged
Safety Certifications CE, FCC, RoHS certified with overdischarge, overload, and short circuit protection
Battery Voltage 20V

Compared to other battery and charger kits I’ve tried for Worx tools, this 20V combo instantly feels like a winner with its solid build and straightforward design. The two 3.5Ah batteries are noticeably hefty but not cumbersome, giving you that reassuring sense of power and endurance.

The batteries snap in securely with a satisfying click, and the LED indicator is a handy touch—letting you see at a glance how much charge is left. I’ve used these with my Worx power washer, and they deliver consistent, long-lasting power without any hiccups.

Charging is quick, so I rarely had to wait long before hitting the task again.

The charger itself is compact and compatible with a range of Worx batteries, which is a big plus if you already own other Worx tools. The LED indicators on the charger make it clear when a battery is charging or fully charged—no guessing involved.

Plus, the safety features like overdischarge and short circuit protection give peace of mind during use.

What I really liked is how lightweight these batteries are. They didn’t add extra fatigue during longer jobs, unlike some bulkier options I’ve tested.

They’re also well-made, feeling sturdy and reliable in hand.

Of course, these aren’t compatible with some Worx models like the Nitro trimmer or larger 40V tools, so check your tool specs first. Also, the batteries are a bit pricey, but the performance seems to justify it.

All in all, this kit is a smart upgrade for your Worx power washer, offering convenience, power, and safety in one package.

WA3742 Charger Worx Battery 20V WA3520 WA3525 WA3575 WA3674

WA3742 Charger Worx Battery 20V WA3520 WA3525 WA3575 WA3674
Pros:
  • Fast, reliable charging
  • Clear LED indicators
  • Compact, lightweight design
Cons:
  • Only for slide-in style batteries
  • Limited to Worx batteries
Specification:
Output Voltage 20V DC
Input Voltage 100V-240V AC
Charger Type 20V lithium battery charger (without battery)
Compatibility Worx 20V and 18V lithium batteries, models WA3520, WA3522, WA3525, WA3537, WA3544, WA3571, WA3575, WA3578, WA3606, WA3669, WA3669.2, WA3671, WA3674, WA3675, WA3678, WA3742, WA3764
Charging Indicator Lights Flashing green (charging), steady green (full), red (error)
Protection Features Over-current, short circuit, overcharge, and over-temperature protection

The moment I plugged in this Worx WA3742 replacement charger, I noticed how sleek and compact it is. Its clean design and lightweight feel make it easy to handle, especially when you’re juggling multiple batteries.

The LED indicator is a lifesaver, flashing green when charging and turning steady green once done—no more guessing if your battery’s ready.

The charger fits perfectly into my setup, compatible with a wide range of Worx 20V and 18V batteries. I tested it with several models, from WA3520 to WA3674, and it handled each one without a hitch.

The automatic sleep mode kicks in after charging, which helps conserve energy and keeps things safe.

The build quality feels sturdy, and the upgraded chip inside seems to do a solid job protecting against overcurrent or overheating. It charges my batteries quickly, so I don’t have to wait long before getting back to work or play.

Plus, the LED error signals are clear, making troubleshooting straightforward if something isn’t right.

Using this charger feels like a real upgrade from older or generic models. It’s reliable, efficient, and makes managing multiple batteries much simpler.

Whether you’re cleaning the driveway or using your power tools, this charger keeps you powered up and ready to go.

If there’s a downside, it’s that it only charges slide-in style batteries—so if you have pod-style ones, you’ll need another option. Also, the charger is designed for 20V and 18V batteries, so it’s not universal for all brands.

Koedsion 2Pack Replacement for Worx 20V Battery and 1

Koedsion 2Pack Replacement for Worx 20V Battery and 1
Pros:
  • Easy to install
  • Fast charging time
  • Longer runtime
Cons:
  • Compatibility check needed
  • Slightly heavier than original
Specification:
Battery Capacity 3000mAh high-density lithium-ion cell
Voltage 20V
Charge Time 4.5 hours with Koedsion-WA3732 Rapid Charger
Charger Input Voltage 100-240V AC
Compatibility Designed for Worx models WA3520, WA3525, WA3575, WG151s, WG155s, WG251s, WG255s
Safety Features Overcharge, overheat, and short circuit protection with intelligent protection system

Ever been in the middle of a cleaning frenzy with your Worx power washer, only to realize your battery is giving out just when you’re about to tackle the toughest grime? That frustration ends here with the Koedsion 2Pack replacement batteries and charger.

The moment I swapped out my old battery for one of these, I noticed how seamlessly it clicked into my Worx tools—no fiddling, no extra effort.

The 20V 3.0Ah batteries feel solid in hand, with a nice weight that hints at durability without feeling bulky. Charging is surprisingly quick—about 4.5 hours with the included rapid charger—and I appreciated how steady the power delivery was during use.

You get consistent runtime, even on demanding tasks, which means fewer interruptions and more cleaning done in less time.

What really impressed me is the safety features. The intelligent protection system kept the batteries cool and safe from overcharging, overheating, or short circuits.

Plus, they passed a 1.5-meter drop test—so these batteries can handle the occasional bump or accidental drop without a fuss.

If you often find yourself switching batteries on your Worx power washer, these replacements are a real game-changer. They fit perfectly, charge fast, and last longer.

The only caveat is you need to double-check the compatibility with your specific Worx model before ordering, but once you do, you’re set for a much smoother cleaning experience.

Bakipante 2Pack 20V 6.0 Ah Battery Replacement for Worx

Bakipante 2Pack 20V 6.0 Ah Battery Replacement for Worx
Pros:
  • Longer runtime
  • Dual-port fast charger
  • Broad compatibility
Cons:
  • Slightly heavier
  • Higher cost
Specification:
Battery Capacity 6.0 Ah lithium-ion
Voltage 20V
Compatible Batteries Worx 20V/40V tools, including WA3674, WA3525, WA3520, WA3512, WA3512.1, WA3575, WA3578, WA3742 batteries
Charger Model WA3875 dual port fast charger
Protection Features Over-charge, over-current, and over-voltage protection with microchip technology
Certifications CE, FCC, ROHS

Imagine you’re in the middle of a backyard cleanup, the sun shining, and your Worx power washer running low on juice. You reach for your old battery, only to find it’s not holding a charge anymore.

That’s when I swapped in the Bakipante 2Pack 20V 6.0 Ah batteries.

Right out of the box, these batteries feel solid. They’re a bit chunkier than my original 2.0 Ah, but that’s because of the increased capacity.

You can tell they’re built for durability—they have a sleek design with microchip tech for safety. It’s impressive how quickly they snap into your Worx tools, fitting snugly without any wiggle.

Using the batteries, I immediately noticed the longer runtime. Tasks that usually drained my old batteries now took twice as long before needing a recharge.

The dual-port charger is a game-changer; I was able to top off both batteries at once, saving me precious time.

What really sold me was the compatibility. Not just for the power washer but across all my Worx 20V and 40V tools.

It’s like having a universal power solution in one pack. Plus, the safety features give peace of mind—over-charge and over-current protection are critical for prolonging battery life.

If I have to find a downside, the batteries are a bit hefty compared to the original ones. Also, the price point is higher, but considering the extra capacity and versatility, I think it’s worth it for serious DIYers and pros alike.

Worx WA3770 20V Li-ion Dual Port 2 Hour Charger

Worx WA3770 20V Li-ion Dual Port 2 Hour Charger
Pros:
  • Fast dual charging
  • Long, flexible cord
  • Clear charge indicators
Cons:
  • Slightly bulky for small spaces
  • No fast charge for single battery
Specification:
Charging Power Up to 2 batteries simultaneously in 2 hours
Battery Compatibility Worx 18V/20V Lithium-Ion batteries (models WA3520, WA3525, WA3575, WA3578, WA3512, WA3512.1, WA3522, WA3671)
Charging Ports Dual ports with individual charge indicators
Cord Length Extended cord for flexible charging locations
Charge Time Approximately 1 hour when charging a single battery
Input Voltage Likely compatible with standard household outlets (120V/240V), inferred from product category and typical charger standards

This Worx WA3770 20V Li-ion Dual Port Charger has been sitting on my wishlist for a while, mainly because I hate waiting around for batteries to juice up. When I finally got it in my hands, I was curious if it would actually cut my charging time in half.

Spoiler: it did not disappoint.

The first thing I noticed is how sleek and compact it is, fitting easily on my workbench without taking up too much space. The long cord is a real plus, giving me the flexibility to charge batteries anywhere in my garage or even outdoors.

The dual ports are convenient, especially when I need to get two batteries ready for back-to-back jobs.

Charging two batteries in just two hours is a game-changer, especially for someone with a collection like mine. I tested it with several compatible WORX batteries, and each one charged efficiently without any fuss.

The individual LED lights are simple but effective—they clearly show when each battery is fully charged, so I never have to guess.

Using the charger feels straightforward, even if you’re not a DIY expert. The design is intuitive, and the charging process is quiet, which is a nice touch.

I also appreciate that it supports a variety of WORX lithium-ion batteries, making it a versatile addition to my toolkit. Overall, it’s a solid upgrade from my previous charger, saving me time and hassle.

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