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Summary of Contents for BYD B-Box Pro 12.8
- Page 1 B-Box Professional user manual B-Box Pro 12.8 User Manual Rev 2.1_May.2017 Copyright © BYD Company Limited. All rights reserved.
- Page 2 B-Box Professional user manual Without the written consent of BYD Company, no entity or individual shall extract, copy contents of the document. It is not allowed to be translated under any conditions. Statement: The product version update or any other changes to this manual is only allowed with BYD’s prior agreement.
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Page 3: Table Of Contents
9.3 Normal alarm and solution display on BMU ....Error! Bookmark not defined. 10 Warranty ..........................20 BYD provides warranty when the product is installed and used according to the description of user manual / installation manual / warranty letter..Error! Bookmark not defined. -
Page 4: General Information
The B-BOX works with different inverter brands and the user should refer to the configuration list of approved inverter manufacturers recommended by BYD. 1.4 B-BOX and B-Plus definition BYD battery box product B-Box12.8 is defined as follows: B-Box: Battery Box B-Plus12.8: Battery unit with nominal capacity of 12.8KWh can be installed inside the cabinet as an energy storage module. -
Page 5: Safety
2.1 Safety precaution Warning, notice and caution: Users are kindly requested to use the battery which is supplied by BYD Lithium Battery Company Limited in strict accordance with the datasheet and remarks included at the end of this document. BYD Lithium Battery Co., Ltd. will not guarantee or accept liability for a product installed and operated not in accordance to the guidance manual and resulting in an accident. -
Page 6: Safety Guidelines For Installation
Installation personnel cannot wear watches, etc., to avoid short circuit and accidental damage. CAUTION: Due to the heavy weight of BYD B-Box 12.8, please use strong packaging and safety protection equipment during transportation, to ensure safety and avoid accidental damage. -
Page 7: Technical Parameters
3 Technical parameters B-Box Pro 12.8 Battery type Lithium Iron phosphate battery Battery module B-Plus12.8 Nominal battery energy 12.8 Output power (KW) Max 12.0 Usable battery energy (KWh)(0.2C charge & discharge at @+25℃) 12.2 (KWh) Nominal voltage (V) 51.2 Ambient temperature Range (℃) -
Page 8: Technical Terms Explanation
Protect temp./Resume temp.(℃) Normal current(A) -20~50/(-15-50) 0.7C*N Remark: 1.N= B-Plus12.8 battery group quantity 4 Technical terms explanation Terms Comment Discharge Battery output power for load Charge Battery power supply (such as DC charger) Fully charged Battery has been fully charged, SOC is 100%. Battery is on status of neither charge nor discharge and has not been Idle fully charged... -
Page 9: Product Overview
B-Box is the short name for battery box, the energy storage part in the electric power system of a household, and the B-box carries BYD’s lithium batteries offering excellent performance. There are 2 pcs batteries modules in each box, and the box supports parallel connection to expand capacity from 12.8KWh to 409KWh, which can meet various capacity requirement for... - Page 10 External drawing Internal drawing Page 10...
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Page 11: B-Box Configuration Table
Cabinet B-Box Cabinet The Cabinet is used to house the B-Plus 12.8 and provide DC output (Each cabinet can install max 1 set of B-Plus12.8) Battery module with 51.2V 250Ah, BYD’s P/N is: 4S-T. Battery B-Plus12.8 BMS48250 Battery management system. Manages battery and sends battery information to BMU. -
Page 12: B-Box System Diagram
5.3 B-BOX System diagram System diagram 5.4 General introduction of BMU BMU is the battery management unit installed in the cabinet; its function is to manage the battery’s charge and discharge, collect information from the battery and report to the inverter. Page 12... -
Page 13: General Introduction Of Bms48250
Charge and discharge management 5.5 General introduction of BMS48250 B-Plus is the commercial name of BYD’s U3A1-50P-A backup battery with 51.2V & 50Ah which is designed for energy storage applications. The B-Plus 12.8 is an integrated battery which consists of shell, BMS and cells. -
Page 14: Operating Environment
① Connects battery’s positive cable to power the BMS ② Positive terminal of BMS ③ Negative terminal of BMS ④ SOC LED Indicates state of charge of battery ⑤ RUN LED Indicates the Plus system is running ⑥ ERR LED ERR ADDR Indicates error status ⑦... -
Page 15: Cleaning And Maintenance
Address: 000000 Address:100000 For example: when two battery are used, “ADDR” setting is: No.1 battery address: 100000 No.2 battery address: 010000 Please refer to the configuration list in Appendix1. Notice: Make sure of the highest address possible between BMS connection and the BMU when communicating with the inverter. -
Page 16: Dispose Special Situation
30%≤SOC≤60% ≤6 months 25~35℃ 5%~70% 30%≤SOC≤60% ≤3 months 35~45℃ 5%~70% Above 45℃ prohibit When SOC is less than 1%, the module will be damaged after several days if it’s not charged in time. Storage parameters under different storage conditions-2 Storage environment Storage time temperature... -
Page 17: B-Box Configuration List With Goodwe Es-On/Off Grid
3 Phase on Grid Inverter Type B-Box 12.8 Cabinets ≥3 ≥1 SI 3.0M ≥4 ≥1 SI 4.4M ≥4 ≥1 SI 6.0H ≥4 ≥1 SI 8.0H 1 Phase off Grid Inverter Type B-Box 12.8 Cabinets ≥3 ≥1 SI 3.0M ≥3 ≥1 SI 4.4M ≥5 ≥2... -
Page 18: B-Box Configuration List With Solax - On Grid
≥1 2.5kW Remark: Maximum B-Plus quantity is 32, Cabinet quantity is 8. 8.4 B-BOX configuration list with Solax - On grid 1 Phase on Grid Inverter Type B-Plus 2.5 Cabinet ≥1 ≥1 SK-SU 3000 ≥1 ≥1 SK-SU 3700 ≥1 ≥1 S K-SU 5000 9 Normal issues and solutions 9.1 Normal alarm and solution display on SMA Sunny Island SRC... -
Page 19: Normal Alarm And Solution Display On Bms
W936(XW01General) External Warning - General 1.Inspect whether the RS485 communication cable has been connected correctly and reliability 2.Inspect the setting of DIP switch according to the Address setting guidance W937(XW02DcHiVolt) External Warning - Battery High Voltage Normal alarm and no further action required W938(XW03DcLoVolt) External Warning - Battery Low Voltage Normal alarm and no further action required... -
Page 20: Normal Alarm And Solution Display On Bmu
Battery failure Blinks 10 Warranty BYD provides warranties only when the product is installed and used according to the description of user manual / installation manual / warranty letter. 11 Login in after sales service web In order to get prompt after sales service after installation, please login your B-BOX information in our after sales service operator online portal. - Page 21 Connected PV module type and number Optional equipment Any problems, please contact us on the addresses below: Contact us: China BYD LITHIUM BATTERY Co.,LTD Customer Service Mailbox: eubatterygrp@byd.com Telephone: +86 0755 89888888 Address: No.1, BaopingRoad, Baolonglndustrial Town, Longgang, Shenzhen, 518116, P.R.China Germany EFT Energy for tomorrow Customer Service Mailbox: kontakt@eft-systems.de...
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