VTC 18650-3S1P 10.8V 3.45Ah Li-ion Battery Pack for Smart Meter Backup, Wireless Sensor Nodes, Portable Monitoring Devices
| Parameter | Specification |
|---|---|
| Model | VTC 18650-3S1P 3.45Ah |
| Battery Type | Cylindrical Li-ion Rechargeable Battery Pack |
| Nominal Voltage | 10.8V |
| Typical Capacity | 3.45Ah |
| Pack Dimensions | 19.5 x 37.5 x 134.0mm max |
| Weight | 190g |
| Protection IC | S-8254AANFT-TB-x |
| MOSFET | AO4407 / DP4407 array |
| Overheat Protection | 70°C discharge stop threshold |
| Cycle Life | ≥500 cycles at 70% retention; ≥300 cycles at 80% retention |
| Operating Humidity | ≤75% RH under standard test conditions |
VTC 18650-3S1P 10.8V 3.45Ah Li-ion Battery Pack for Smart Meter Backup, Wireless Sensor Nodes, Portable Monitoring Devices
The VTC 18650-3S1P is a Li-ion rechargeable battery pack from VTCBATT built for stable 3-series power delivery in compact equipment that needs dependable energy density and protected pack structure. This 10.8V nominal, 3.45Ah battery pack offers 3.35Ah minimum capacity, 12.6V limited charge voltage, 7.5V discharge cut-off voltage, standard 0.5C charging and discharging, 6A maximum discharge current, and pack dimensions of 19.5 x 37.5 x 134.0mm with a typical weight of 190g. The design includes PCM protection based on S-8254AAN protection IC and AO4407 MOSFET arrangement, with overcharge, overdischarge, overcurrent, and short-circuit protection details documented in the source file. VTCBATT supports factory supply, custom wire and connector matching, label printing, OEM/ODM pack integration, sample development, and stable batch production for customers sourcing rechargeable lithium battery packs for branded equipment and industrial projects.
Compact 3S1P Pack Structure


OEM Wiring and Pack Customization
Protected Output for Embedded Devices


Reliable Capacity in a Slim Footprint
Full Certification & Extended Warranty
VTCBATT 18650 3S1P 10.8V 3.45Ah Li-ion battery pack meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.

VTCBATT 18650-3S1P 10.8V 3.45Ah Li-ion Battery Li-ion battery pack passed all the major global certifications, such as CB, CE, EN61000,IEC62133,MSDS.UN38.3,ROHS,UL,BIS,KC Certification,which makes your product more competitive.

Compared to a normal 12-month warranty, VTCBATT 18650 batteries have 14-month warranty and two extra months for shipping and customs clearance ,which ensure the customer’s profit.
VTCBATT Production and Service
VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application for 18650-3S1P 10.8V 3.45Ah Li-ion battery pack
This 18650 3S1P lithium battery pack is suitable for smart meters, wireless sensor terminals, portable monitoring devices, industrial backup modules, security electronics, and other low-to-medium power systems that need a compact 10.8V rechargeable power source with practical runtime and protected output. Its 3.45Ah capacity, 6A maximum discharge capability, and operating range from low-temperature discharge up to 60°C make it a practical fit for embedded equipment, field monitoring products, and control systems where space, wiring layout, and safety protection matter. VTCBATT can adapt the pack for different applications through connector matching, wire length adjustment, protection circuit configuration, labeling, and sample verification, while offering factory-direct and battery wholesale support for equipment manufacturers, distributors, and OEM brand owners.

















