Samsung Cylinders
Overview
Product sourcing insights & recommendations


Samsung cylindrical batteries, manufactured by Samsung SDI, are currently undergoing a major shift from the traditional 18650 format to higher-capacity 21700 and next-generation 46-series cells. As of 2026, the market for cylindrical lithium-ion cells is projected to grow at a CAGR of over 21%, reaching a valuation of up to $166.2 billion EvemallTechsciresearch.
Market Trends & Insights (2026)
* Sector Growth: The automotive sector remains the largest consumer (54% market share), but Energy Storage Systems (ESS) for AI data centers are the fastest-growing segment, with a nearly 30% CAGR EvemallAlpha-Sense.
* Form Factor Evolution: While the 18650 format (e.g., Samsung 25R) remains a "workhorse" for power tools, the 21700 format (e.g., Samsung 40T) is now the premium standard for EVs and high-performance industrial gear InstagramAlibaba.
* Technological Frontier: Samsung SDI has accelerated the production of 46-series (including 4680) cells to compete in the high-rate automotive and hybrid electric vehicle (HEV) markets EvemallAlpha-Sense.
* Commercial Performance: Samsung SDI dominates the Uninterruptible Power Supply (UPS) market for data centers with a 40%–50% market share Alpha-Sense.
Top Product Specifications & Commercial Data
The following table highlights the primary "Samsung Cylinders" currently leading the market.
| Feature | Samsung 25R (18650) | Samsung 30Q (18650) | Samsung 40T (21700) |
|---|---|---|---|
| Capacity | 2500 mAh | 3000 mAh | 4000 mAh |
| Max Discharge | 20A (Continuous) | 15A (Continuous) | 35A - 45A |
| Target Market | Budget power tools, Solar | Vaping, E-bikes, Flashlights | High-end EVs, RC Drones |
| Wholesale Price | $1.08 – $2.26 | $2.00 – $3.50 | $2.49 – $3.00 |
| MOQ (Typical) | 2 – 100 Pieces | 10 – 200 Pieces | 100 – 1000 Pieces |
Samsung 40t 21700 Battery Wholesale
Products · 3 lists

Defnoco Wholesale Sam Sung 21700 40t Lithium Battery 3.6v 4000mah Battery Cell Rate Battery for RC Drone Car Helicopter Aircraft
Guangdong East Green Energy New Energy Co., Ltd.verified🇨🇳CN2 yrs
Wholesale 100% Original Japan INR21700-40T 3.6V 4000mAh Lithiun-ion Battery for Samsung INR21700-40T
Huizhou Becell Technology Co., Ltd.🇨🇳CN4 yrs
Wholesale 3.6V 4000mAh Samsung 21700 40T Battery Cell 3.7V Lithium Ion Rechargeable Battery Scooter E-bike Drone UAV Battery
Shenzhen Nogi Battery Technology Co., Ltd.🇨🇳CN1 yr
Original 3.6V INR21700-40T 21700 Battery 4000mAh Max 45A Continuous Discharge Electric Tool Battery Pack
Huizhou Boot Energy Co., Ltd.verified🇨🇳CN4 yrs
Samsung INR21700-40T 3.6V 4000mAh High Drain Li-ion Battery Cell Rechargeable 21700 Battery for Power Tools E-bikes Flashlights
Shenzhen Henrid Technology Co., Ltd.🇨🇳CN2 yrs
Orignal Rechargeable Battery Cell 21700 4000mAh for Samsung 40T INR21700-40T for Electric Drills Planers Medical Equipment

Original 21700 40T Lithium Battery INR21700 40T 3.6V 4000mAh Battery
Shenzhen Bingcell Technology Co., Ltd🇨🇳CN7 yrs
Authentic Sam Sung 21700 30T 40T 4000mAh Cylindrical Lithium Battery INR21700-50S 50G 21700 5000mAh Rechargeable Li-ion Battery
Dongguan Anzhi Electronic Technology Co., Ltd.verified🇨🇳CN4 yrs
Stock 100% Original 21700 50S 50G 50E 58E 45T 40T 21700 4000mah 5000mah 5800mah 4500mah 45A for Electric Wheelchair
Shenzhen Data Power Technology Ltd.verified🇨🇳CN12 yrs
SAM 100% Original INR21700 40T 3.7V 4000mAh Rechargeable Lithium Ion Battery 40T Discharge for SAMSUNG 21700 40T
Shenzhen Kexinxin Technology Co., Ltd.🇨🇳CN4 yrs
INR21700-40T 3.7V 4000MAH 35A Rechargeable Lithium Li Ion 21700 Battery for Samsug E-Bike Power Tools
Shenzhen Fx Dynamics Technology Co., Ltd.verified🇨🇳CN5 yrs
Samsungs INR21700-40T 21700 Lithium Battery 4000mAh 35A Grade a Flat Top Cell for Ebike RC Power Tools Electric Bicycles
Dongguan Mozhong Technology Co., Ltd.verified🇨🇳CN2 yrs
Original Sam 21700 40T Cylindrical 3.6V 4000mAh 45A Discharge Lithium Ion Battery Samsung 40T Electronic CELL
Guangzhou Shijie Technology Co., Ltd.🇨🇳CN2 yrs
Poland Germany Stock 21700 Samsung 40T Li-Ion Battery 4000mAh 3.7V High Rate Discharge Rechargeable Battery Cell OEM Available

Factory Wholesale Samsung INR21700 40T 50S 50E 50GB 3.6V 4000mAh 5000mAh Lithium Battery Cells for Electric Bicycles Scooters
Dongguan Huaquan New Energy Co., Ltd.🇨🇳CN1 yr
INR21700-40T 3.7V 4000MAH 35A Rechargeable Lithium Li Ion 21700 Battery for Samsung E-Bike Power Tools
Shenzhen Feite Model Co., Ltd.verified🇨🇳CN15 yrs
Factory Price Original SAM INR21700 40T Rechargeable Lithium Batterie 4000mAh 3.6V 40A Discharge SDI Samsung 21700 40T

INR21700-40T 21700 4000mAh 35A Batteries Electric Bike Batteries for Samsung
Shenzhen Imr Technology Co., Ltd.verified🇨🇳CN13 yrs
Genuine INR21700 35A 3.7V Li Ion Cell Lithium Battery Original 3.6v INR21700-40T 21700 4000mah Max 45A 21700 Battery 40T
Shenzhen City Kaixinda Energy Technology Limited Companyverified🇨🇳CN15 yrs
INR21700 4000mAh 3.6V 35A Rechargeable Lithium Li-Ion 21700 Battery for Samsung with 2000 Cycles and -20~60 Operating Temp
Shenzhen Xinglong Electronics Co., Ltd.🇨🇳CN7 yrs
21700-40T 4000mAh Cylindrical Lithium Ion Batteries Max Discharge Current 10A for Power Tools Lithium Battery

Samsung 40T 21700 4000mah Lithium Polymer Battery, Capable of Continuous 10C Discharge, Suitable for Inorganic Applications.

Original 21700 40T Lithium Ion Battery INR21700 40T 3.6V 4000mAh 35A Li-ion Batteries Cell
Shenzhen Qiyun Technology Co., Ltd.🇨🇳CN2 yrs
Genuine 3.6V 21700 4000mAh INR21700-40T Max 45A Continuous Discharge Battery for 21700 Samsung 40T
Shenzhen Foradepower Technology Co., Ltd.verified🇨🇳CN10 yrs
Sam-sung 40T 21700 3.7v 4000mAh High Discharge Cylindrical Lithium Ion Rechargeable Battery INR21700 40T
Shenzhen Feimao New Energy Technology Co., Ltd.verified🇨🇳CN1 yr
SAM Original 3.6V INR21700 40T 21700 4000mAh Max 45A Continuous Discharge High Drain Battery 21700 40T
Huizhou Becell Energy Co., Ltd.🇨🇳CN1 yr
FOR SAMSUNG 21700 40T 3.7v Lithium Rechargeable Battery 21700 4000mah
Hunan IMR New Energy Co., Ltd.verified🇨🇳CN6 yrs
EU Stock INR21700 SDI Sam Sung 21700-50s 5000mah Rechargeable Lithium Ion Cylindrical Battery Lithium Ion Battery 45A 21700
Shenzhen IMR Technology Co., Ltd.verified🇨🇳CN13 yrs
Premium Grade Samsung NMC 3.7V 4000mAh Cylindrical Lithium Cell For Audio Gear Security Cams And Test Tools
Shenzhen Nogi Technology Co., Ltd.verified🇨🇳CN6 yrsRelated Searches
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Sources & References
28 sources cited · Verified industry data & reports

2026 Lithium-Ion Battery Market Forecast
EVEMALL
A streamlined overview of the 2026 lithium-ion battery market, highlighting growth forecasts, key technologies such as 46-series cells and ...

Global Cylindrical Battery for Electric Vehicle Market Size, Share, ...
Verified Market Reports
Cylindrical Battery for Electric Vehicle Market size was valued at USD 18.25 billion in 2025 & is estimated to reach USD 45.60 billion by 2034, exhibiting a ...

18650 vs 21700 Battery Guide: Size, Safety & Cost ...
淘寶
Discover whether to upgrade from 18650 to 21700 batteries. This pragmatic guide covers size compatibility, capacity gains, ...

What Do Battery Numbers Mean? A Guide to Efest 18650, 21700 ...
Vapestore Direct
A clear UK 2026 guide to vape battery number codes. 18650 + 20700 + 21700 + 26650 dimensions + capacity + use case + sustained vape mod form factor ...

Samsung 25R 18650 Battery Guide for High-Drain ...
Alibaba
Samsung INR18650-25R remains a foundational "workhorse" in the high-drain 18650 battery market as of 2026. · Segment Dominance: The 2500mAh ...

Samsung Lithium Cells: High-Quality, Rechargeable Power
Accio Work
21700 cylindrical cells are gaining popularity over 18650 for higher capacity. Prismatic cells dominate large-format applications like ESS and commercial EVs.
