


EFEST Slim K4 USB-C Intelligent Battery Charger
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
EFEST Slim K4 USB-C Intelligent Battery Charger4 x Battery Slots Slim K4 Quad Four Slot Battery Charger Cost effective and easy to use, the Efest SLIM K4 Charger is incredibly lightweight and conveniently portable. Steel cathodes with low resistance and hard chromium plating processing to achieve a more precise charging voltage. 15,000+ Time spring testing quality warning. The K4 also has 6 protection levels: Short circuit protection, Automatic over charging protection, Automatic over discharging
Quick Dispatch:
Your EFEST Slim K4 USB-C Intelligent Battery Charger orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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★★★★★ 4
This is a well constructed wallet and they used good material
Color: Coffee Brown, Style: Casual
I really like the leather, and all the compartments for the credit cards and two IDs. The only issue I’ve had with this wallet is it’s just a little too high. Should be a quarter of an inch shorter because it’s awkward putting it in and out of your your pocket.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Very nice
Color: Navy Blue, Style: Classic
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Fit in pocket
Color: Dark Gray, Style: Classic
Bought as a gift. My husband really liked it, held all his cards. The leather was very nice. Color was very soft gray and I liked it better than the normal black or brown. Wallet fit well into his back pocket.
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Reviewed in the United States on April 29, 2026
★★★★★ 3
OK but not right for me
Color: Black, Style: Classic
Very stiff. Feels bulky. Well constructed and good quality.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
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Color: Coffee Brown, Style: Classic
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