——Providing the powerful battery solution for your equipment

深圳市沃特玛电池有限公司OPTIMUMNANO ENERGY CO.,LTD

Conformity in time

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Unique techniques of battery pack:Conformity in 8 aspect' principle

Conformity in voltage(SOC)

Conformity in impedance

Conformity in capacity

Conformity in stage

onformity in charge cc ratio

Conformity in charge

Conformity in self-discharging

内阻一致

Conformity in 8 aspect' principle

In general:Battery pack capacity remains 80% when being used properly after 8 years, with conformity in 8 aspects' principle.

Unique Battery Structure

The function of BMS on battery packThe electric vehicle battery management system (BMS) is mainly used to calculate and control the electric vehicle power battery parameters such as real-time monitoring, fault diagnosis, SOC calculate, range calculate, short circuit protection, leakage monitoring and display alarm, charging and discharging mode selection, etc., and through the way of CAN bus and the vehicle integrated controller or charger information interaction, guarantee the electric car is efficient, reliable, safe operation.

★ 　 Real-time tracking battery running state and parameter detection★ 　 SOC calculate★ 　 charge/discharge control★　★　★ Fault diagnosis★　

★ Information monitoring★ Parameter Settings

Heat management function

Balancing control

Battery condition prediction and alarm

Optimumnano battery BMS

System description1 ， The acquisition module is responsible for balancing 1-12 series batteries.2 ， The acquisition module information will send to the master of BMS by the CAN communication network of BMS .3 ， The master of BMS have the function of collecting information, control power bus contractor, at the same time, it can communicate by CAN communication network and charger.4 ， The screen can show and set all battery information and system parameter when connecting BMS CAN communication network.

Whole solution for electric vehicle power systemOptimumnano battery BMS

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Two - way nondestructive balancing type acquisition balancing module Optimum BMS characteristic ：★Precision measurement ： The voltage of single cell can reach ±10mV。★High antijamming ： It can ensure measure and communicate stable and reliable when inside of serious electromagnetic interference car.★ Intelligent adjustment ： adjust temperature automatically ,to get the max life time.★Leading lossless balanced way ： balance the battery bidirectional, the max balance current> 3A,max efficiency by 90%(Patent pending)★Flexible configuration ： battery dimension designed according the vehicles, can make 1-12 batteries series.

OPT BMS special feature:dou-ble lossless balancing

Conclusion:leadi-ng technology 、reliable collection module is the basic guarantee of OPT BMS

Optimumnano battery BMS

Function of BMS master： 1. Collect the information from the acquisition module and communicate with controller and charger. 2. Manage balancing policy. 3. Calculate SOC and remainder range. 4. Manage system failure and different warning level. 5. Insulated resistance check. 6. GPRS Wireless data transmission.Optimumnano BMS feature and advantage：★Best balancing policy ： Master control the acquisition module to practical balancing.★Practical different warning level ： According the real situation, make differenct warning level for practical control.

★ Accurate Insulated test ： Keep safety of the system. ★science and accurate SOC calculate★Advanced wireless transmission solution ： Could monitor the situation of each vehicle by wireless transmission.

Scientific and accurate SOC calculationOptimumnano battery BMS

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The basic function of display module:

1. Show the following information: all state information, control information and warning information. 2.The system parameter of warning and protection point will set according to customer’s requirement.

Optimum BMS characteristic and advantages :：★ 　 Beautiful interface display, easy to use and maintenance★ 　 Flexible parameter setting, can meet different customer’s control requirement.

Concise and humanized display module

Optimumnano battery BMS

GPRS networking basic Functions:1.Through GPRS wireless transmission, all vehicles will be uploaded to the server battery information in real time, the customer can always view the data.2.Through GPRS wireless transmission, the client can easily set the operation of any car, alarm parameters.

BMS Features and Benefits:The use of advanced wireless networking technology, the vehicle can run real-time dynamic monitoring and remote fault alarm. Customers can thus facilitate the realization of remote monitoring and co-ordination arrangements battery maintenance, maintenance work.

　GPRS Wireless data transmission and remote alarm

Optimumnano battery BMS

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1 串 2 串

1 、 Began to experiment-Acupuncture

Acupuncture-----Acupuncture The end of the experimen

t----Acupuncture

Acupuncture short-circuit test

2 、 Test Results ： no fire, no explosion.

LiFePO4 battery safety test

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　 Start squeezing Short extrusion process

Tracked vehicle slowly through the battery

module1.Test Conditions :Single box 12.8V--600AhFully charged battery module 、 Normal atmospheric temperature （ 25*C+_5*C)

By Crawler excavators Crawler (steel) continuous positive and negative short-circuit the batte

ry module, and weighs 30 tons crawler excavators unilateral battery modules run over slow s

ustained pressure.

2.Test Results ： Batteries no fire, no explosion.

Crush short-circuit test

LiFePO4 battery safety test

Drop Testing

Start dropping from 55 meters Free dropping 5 minutes after

touching the ground

Test condition: 12.8V600Ah, 1 pack of the 540V600Ah, with fully charged and at 25℃±5℃, hung this 95Kg battery pack and then free drop from 55 meters. The impact force when the steel case touch the ground is up to 3.1 Tons and the knocking speed is about 115km/h.

Test result: No fire , No exploding!

LiFePO4 battery safety test

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Application for Hybrid Electric Bus In 2011, Optimumnano supplied LiFePO4 Battery Packs for over 1500 sets new energy buses when in the Shenzhen 26th World University Games, accounting for more than 70% of all the Universidad new energy buses.

Since 2008, OptimumNano begin to work with Wuzhoulong New Energy Buses, and 80% of Shenzhen Hybrid Electric Buses are using battery packs of Optimumnano.

Wuzhoulong Hybrid Electric BusesBattery Type ： 336V 100Ah

New Energy Vehicle Application

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Apply to pure electric bus from WUZHOULONG motors 、 HIGER 、 ANKAI 、 Motorlink ,etc ,

　Model ： 345V 900Ah 、 540V 600Ah 、 384V 420Ah 、 538V 420Ah/450Ah ,etc .

Application for Pure electric bus

New Energy Vehicle Application

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Apply to sanitation trucks 、 engineering vehicles 、 airport shuttle buses , etc for Chendu Wangpai Vehicle 、　 Shandong Haide Group 、 Hebei Lukun Electric vehicles 、　 Shtopower 、 Shandong Yixing ， etc .

Model ： 72V 180Ah 、 48V 480AH 、 72.8V 700Ah 、 48V360Ah 、　576V250Ah, etc.

Application for special vehicles

New Energy Vehicle Application

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Optimum 12V/24V series lifepo4 start battery are the first to be used for the buses and trucks in Chengdu 、 Kunming 、 Hohhot ,etc .

In 2013 ,Optimum have also developed several standard 12V/24V power batteries .

12V 20AH~40AH 24V 65AH 24V 100AH

Application for starting battery

New Energy Vehicle Application

Optimum always sticks to “union, improve, Break, perfect” principle, Strive to build the best living environment of human, With an open Mind and win-win cooperation, inviting you to make the greatest contribution to the new energy development , and human sustainable development .

Your good partner-Optimumnano

http://www.optimumnanoenergy.com