Hand Warmer Device

Hand Warmers device are portable devices for hand heating. Featuring rapid heating, multi-level temperature adjustment, and safety protection, they relieve hand cold and discomfort, suitable for winter outdoor activities, commuting, and daily warming scenarios.
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Hand Warmer Device Battery Core Features

Hand warmers device require high-power and safe batteries. Zerne polymer lithium-ion batteries enable rapid heating through high-rate discharge, ensure safe handling with overheat protection design, and feature a slim, lightweight structure for easy portability.

High Power Output

Enables rapid heating.

Overheat Protection Design

Multiple safeguards for safe use.

Slim & Portable

Easy to carry and use on the go.

Fast Charging Capability

Quick recharge for emergency needs.

Low-Temperature Resistant

Works normally in freezing environments.

Long Cycle Life

Withstands frequent charging/discharging.

Product Details

Moedel Voltage Capacity Charging Discharging Size Internal resistance
Thickness(mm) Width(mm) Length(mm)
674060 3.7V 2200 1C 1C 6.7 40 60 50
554165 3.7V 1800 1C 1C 5.5 41 65 50
114053 3.7V 3050 1C 1C 11 40 53 50
124040 3.85V 2400 1C 1C 12 40 40 50
514169-2S 7.4V 1900 1C 1C 12 43 73 50
534468-2S 7.4V 1950 1C 1C 12 46 72 50
654060-2S 7.4V 2000 1C 1C 14 42 64 50
733960-2S 7.4V 2200 1C 1C 17 41 64 50
624170-2S 7.4V 2200 1C 1C 16 43 74 50
574275-2S 7.4V 2480 1C 1C 13 44 79 50
674670-2S 7.4V 2700 1C 1C 15 48 74 50
754271-2S 7.4V 3000 1C 1C 17 44 75 50
755060-2S 7.4V 3000 1C 1C 17 52 64 50
805060-2S 7.4V 4000 1C 1C 18 52 64 50

Battery Performance

High Energy Density

Higher energy storage per equal volume.

Longer Cycle Life

Withstands numerous charge-discharge cycles.

Safety

Withstands numerous charge-discharge cycles.

Low Self-Discharge

Minimal Power Loss, Longer Shelf Life

Our Available Certifications

UL
EU
UL
CB
KC
PSE
UN
RoHS
CB
CQC
ISO9100
REACH

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Guangdong Zhaoneng Technology co.,ltd.
We are a professional manufacturer of new energy lithium batteries integrating R&D, design, manufacturing and sales with 28 years experience.

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