Since the battery cannot be changed out, only charged, how long does the battery last before mug needs to be replaced entirely?

FROM THE SELLER: Thank you for your question. The Nextmug battery is rated to be fully charged 1,000 times, after which it maintains 80% effectiveness... meaning it can be charged but may not hold the charge as long as before. You'll be able to enjoy your Nextmug for years to come.

How long does the mug keep your beverage hot when not on the coaster?

FROM THE SELLER - Thank you for the question. Depending on how hot the liquid is when you pour it into the mug, the Nextmug keeps your beverage hot for about 2.5 hours (with the lid on) and about 1.5 hours (lid off) when it's not on the Docking Coaster and set to the "Warm" setting.

What's the inside coating made of? Does it have PFAS/PFOA/BPA?

FROM THE SELLER: Thank you for your question. The Nextmug is made of stainless steel and has a ceramic coating on the outside. The ceramic coating covers the inside of the mug as well as the exterior surface and the handle. The main portion of the mug does not contain plastic. The bottom of the mug (only the portion around the battery) has a plastic exterior. Both the Nextmug and the lids are BPA-free.

How many fluid ounces fit inside the cup with the lid on? I have a competitor's 14 oz mug that holds about 10 oz.

FROM THE SELLER - Thank you for the question. When using the Spill-Resistant Lid, Nextmug holds 12 fluid ounces.

Nextmug Temperature Controlled Self Heating Coffee Mug Black 14 Oz

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

☕ Stay hot, stay ahead — the mug that works as hard as you do.

GIFT WITH IMPACT - Supports teachers & first responders with donations and uses 100% recyclable packaging—feel good gifting.
POWER THAT LASTS - Long-lasting lithium-ion battery keeps your drink at the ideal temp for hours on the go.
PERFECT SIP EVERY TIME - Choose from Warm, Hot, or Piping hot with one simple button—no app, no fuss.
SMART SPILL RESISTANT - Includes spill-resistant lid and LED indicators so you stay mess-free and informed.
SLEEK MINIMALIST DESIGN - Matte black finish and compact 14 oz size fit seamlessly into your modern workspace or home.

Nextmug is a 14 oz temperature-controlled coffee mug featuring three preset heat levels (130°F, 140°F, 150°F) powered by a rechargeable lithium-ion battery that maintains your beverage’s perfect temperature for hours. Designed with a spill-resistant lid, LED indicators for battery and temperature, and a sleek matte black finish, it offers effortless one-button control without the need for apps. Ideal for professionals seeking convenience and style, Nextmug also champions sustainability and community support through eco-friendly packaging and charitable donations.

Specifications

ASIN	B0B6JTX6NB
Best Sellers Rank	#2,684 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #3 in Tea & Espresso Beverage Warmers
Brand	Nextmug by Nextboom
Brand Name	Nextmug by Nextboom
Capacity	415 Milliliters
Color	Black
Customer Reviews	4.2 out of 5 stars 6,076 Reviews
Finish Types	Matte
Included Components	Adapter, Coaster, Dock, Lid
Item Dimensions W x H	4.5"W x 4.8"H
Item Type Name	ALWAYS THE PERFECT
Item Weight	952.54 Grams
Manufacturer	Nextboom, Inc.
Manufacturer Part Number	1NMM-10BK14-1-01
Material	Ceramic Matte Finish with Stainless Steel Body
Material Features	Handwash only
Material Type	Ceramic Matte Finish with Stainless Steel Body
Model Number	MMA-1122
Number of Items	1
Occasion	Christmas
Other Special Features of the Product	Manual
Pattern	Solid
Product Care Instructions	Hand Wash Only
Product Style	Modern
Recommended Uses For Product	Home, Office
Reusability	Reusable
Shape	Round
Size	14 Ounces
Special Feature	Manual
Style	Modern
Theme	Holiday
UPC	850043163008
Unit Count	1.0 Count

Reviews

C**E

22.04.2026

L**Y

20.09.2023

S**L

23.03.2026

P**S

20.06.2024

R**L

3.04.2026

N**2

15.04.2026

C**K

5.03.2024

E**.

5.04.2026

A**C

23.11.2025

D**0

1.01.2025

O**C

7.01.2024

M**U

12.10.2024

M**D

5.10.2025

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Nextmug - Temperature-Controlled, Self-Heating Coffee Mug (Black - 14 oz.)

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Description

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Common Questions