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Buy Factory Price KOK POWER NEW Design super long cycle life LTO ESS Battery 48V 40Ah 1.92KWH for residential solar

KOK POWER NEW Design super long cycle life LTO ESS Battery 48V 40Ah 1.92KWH for residential solar

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Battery Chemistry

LTO (Lithium Titanate) Battery

Nominal Capacity (5hr)
40 Ah
Nominal Voltage
Nominal Energy
Voltage Window [V]
Charge Voltage [V]
Charge-discharge Current[A]
40 A
Charge Mode
Output Power [W]
Modular Paralleling
Optional (up to 16 modules). When paralleling Max. charging current = 20A
Re-charge Time [h]
Cycle Life
>20000 Times
Working Temperature
Temperature and Period for Storage
6 Months @+25℃
3 Months @+35℃
1 Months @+45℃
IP Level
KOK LTO ESS series adopt the world’s most advanced lithium battery technology - LTO battery:
With its stable 3D crystal structure, LTO (Lithium Titanate, LiTi5O12 ) chemistry is “zero-strain”, as it hardly forms unstable
SEI film during charging and discharging as opposed to the traditional graphite anode material, therefore,LTO batteries boast 3 extraordinary advantages as below:
(1) 30-Year Super Long Service Life:The LTO batteries have super long cycle life of 25,000 to 30,000 times, 100% DOD, equivalent to 30 years of service life.
(2) Amazing Low/High Temperature Performance at -50℃ ~60℃: The LTO batteries can be charged and discharged from extremely low temperature- 50℃ to ultra-high temperature 60℃, suitable for energy storage in extremely cold/hot countries and areas where other battery chemistry doesn’t work.
(3)Fast Charge/Discharge Ability:LTO is the fastest charge/discharge lithium battery at 10C continuously, which can be fully charged/discharged in 6 minutes, to support critical loads such as air condition, water pumps, EV charging, etc. in
residential, commercial, industrial ESS applications.
Besides, KOK LTO ESS series are:
Wall-mounted modular design, allowing for 16 batteries in parallel max
Wide Compatibility: KOK ESS batteries have commissioned for communication and compatibility with the major inverter and solar charger brands such as Victron, Huawei, Goodwe, Growatt, Voltronic, Kehua, Kstar, East, Luxpower, Megarevo, INVT, Ginlong, Sacolar, Sofar, etc. And the list is to be continued as our engineers are working on testing and commissioning with more inverter and charger brand.
20-Year max. Super Long Warranty: KOK offer 20 year max. Super long warranty period for LTO ESS battery series.

Detail Pictures

KOK LTO ESS series adopt the world’s most advanced lithium battery technology - LTO battery:

The battery pack are made with high-quality LTO cells.

Specially designed BMS (Battery Management System) for ESS application, with over-charging, over-discharge, over-current, short circuit or overheating protection, and RS485, RS232, Canbus communication.
Company Introduction

KOK POWER LIMITED (KOK), founded in 2011, is pioneer of smart lithium-ion battery systems in China. Our smart batteries can display & monitor the batteries status and thus enable the devices to conserve and use power intelligently with a patented built-in battery management system (BMS) via blue-tooth or other communications through APP or on screen.

KOK is strong in R&D and manufacturing of smart battery systems, widely used in fields such as E-mobility (e-bike, e-scooter, e-skateboard, e-motorcycle, e-tricycle/rickshaw, e-wheelchair, e-golf cart, e-forklift, e-tourist vehicle, RV/caravan,marine,etc.), Energy Storage Systems (solar/wind system, telecom/base station, uninterruptible power supply/UPS/backup system) and engine starter batteries. KOK batteries can readily replace the outdated, bulky and pollutant Lead-Acid / AGM/ GEL/SLA batteries with the latest smart lithium battery technology.

Following are our company production manufacturing

KOK staff, from senior management to direct operators, have over 8 years’ experience of building batteries for many applications.All assembling operators are trained to high standards;and our sales team are good communicators. We will work with you to find a custom power solution for your applications and will provide you with complete design, build and test solutions tailored to your specific needs.

KOK has been awarded as Hi-Tech Company of Guangdong Province, and products are designed to be safe, reliable and competitively priced. All our products are designed and manufactured to the highest standards and meet or exceed industry safety and environmental standards including: ISO9001, IEC62133, UL1642 / UL2054,CE,RoHS.

Our Vision

Providing battery solutions to improve the global environment

Our Core Value

Developing cutting-edge battery technologies and providing all-round customer support
Related Products

Q: Can you provide sample with 1PC?

A:Yes we can. After discusion and design with our sales and engineer, we encourage client to order a sample to test our battery quality first.

Q: How about the warranty of li ion batteries?

A: Warranty of li-ion battery could be as long as 1 year and LiFePO4 is 2 years.


Q: Payment terms?

A: we could receive the payment via PayPal ,TT or Western union etc.


Q: How long will be the delivery?

A: Usually, batteries in stock, delivery 3-5 days. Batteries without stock, delivery 10-12 days.


Q: Could you provide OEM service?

A: Yes, we could. we could also provide customized packaging if you need. Please feel free to tell us your application and your basic battery requirements. Our R&D team will provide a full solution to your with these factors taken into consideration: working temperature, dimension, compound mode, power, capacity, peak current, PCM, fuse, motion control ICs, plug, etc.


Q: My new Remote Control Helicopter need a new battery, can you provide?
Yes, we do. What's more, our R&D team aims to provide full solution of battery system for your RC, Solar PV generators, consumer electronics, medical equipment, LED lighting, electric scooter, e-bike, camera, video, mobile phone, portable power bank, hand-held Terminal device, etc.


Q: How to contact with you?

A: You could send me a email at below email box. Or use below contact information:

Zoey Zuo

KOK Power Limited

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If You Have Any Questions Or Inquiries Please Call Us Or Email Us By Sending a Message.

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