Swanlake 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery (not Including Battery
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Monday, Sep 8
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Color: single-slot charger
Features
- INTELLIGENT UNIVERSAL CHARGER:The Battery Charger can charge simultaneously rechargeable batteries of different specifications.Suitable for 3.7V Li-ion rechargeable batteries 26650,18650,21700,18500,18350,14650,16650,16340,14500,10440
- CONVENIENT CHARGING INTERFACE:USB charging help travelers can charge lithium ion batteries anytime anywhere, especially when you dont have enough outlet,you can even simply plug into your laptop or other device
- INTELLIGENT CHARGING:The charger can automatically select the best charging current and support 2-slot simultaneous independent charging.Intelligent LED charging status indicator, when the battery is full, it changes from red to green and the charger will automatically stop charging
- SAFE CHARGING:Safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance;the battery will not be over-charged and over heat
- PREMIUM SERVICE: If you have any questions, please tell us at first time. We will provide professional service to solve your problems. There is a totally risk-free purchase
Brand: Swanlake
Color: single-slot charger
Product Dimensions: 1.37"D x 5.31"W x 1.37"H
Item Weight: 56 Grams
Output Voltage: 4.2 Volts
Product Dimensions: 1.37 x 5.31 x 1.37 inches
Item Weight: 1.98 ounces
Item model number: 1228-1929
Date First Available: June 8, 2020
Manufacturer: Jiazhounengy
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Sep 8
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Financing
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- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Color: single-slot charger
Works fast simple to use, my flashlight battery charged quickly to full voltage
Reviewed in the United States on August 20, 2025 by bob henry
Color: single-slot charger
Works well and does exactly what I need it to do! Would buy again if needed
Reviewed in the United States on July 19, 2025 by J. Norred
Color: single-slot charger
Works great easy to use charges fast
Reviewed in the United States on August 19, 2025 by Todd
Color: single-slot charger
The first picture is misleading as it shows a battery so we assumed it included one. That’s on us but I do wish it was more prominent in the picture to have text that says it’s not included. Our battery was quite old and it took several tries to charge it. It would show green but the battery wouldn’t function. Took about two days of taking the battery in and out of the charger for it to charge enough to use. Haven’t purchased a new battery yet to know if it’s the battery or the charger.
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Reviewed in the United States on August 12, 2025 by AWord
Color: single-slot charger
Needed this to keep a charge 18650 battery at the ready for a vape. It is built well enough, similar to other chargers of this type. Charges my 18650 quickly, even when I am powering it from my alarm clocks USB port. It is lightweight and travels quickly and easily if need be. Good value for the price.
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Reviewed in the United States on July 14, 2025 by Roman Starr
Color: single-slot charger
Worked better than I thought it would. Good product for the price.
Reviewed in the United States on August 1, 2025 by Sonya L
Color: single-slot charger
Purchased a touch lamp and needed to charge it. Instead of purchasing more batteries. I found out the battery could be recharged. I found this battery charger. It worked! I recommend this product!
Reviewed in the United States on July 10, 2025 by Sharon Rayford
Color: 2-slot Fit 3.7v &1.2v
Will NOT charge LifePo4 batteries!!! I purchased this charger for the sole reason of charging recovered LifePo4 26650 cells before assembling 8s8p (24v) battery packs for an off-grid solar powered shed/workshop. It's never a good idea to assemble battery packs with cells of unequal charges(unbalanced), hence charging BEFORE assembly. I planned to purchase a few more of these chargers if the LifePo4 compatibility claim was true. Although the listing clearly states this charger works with LifePo4 batteries, it's a bold faced LIE! The box and instructions have no mention of LifePo4 whatsoever, and there is no setting or indicator on the charger itself for LifePo4...NADA. I tried it anyway, because surely the listing wouldn't be a lie... Yep, it's a lie...
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Reviewed in the United States on June 22, 2025 by RC66