Them cov roj teeb lithiumkom raug ua lub luag haujlwm tseem ceeb hauv lub neej, kev nyab xeeb, thiab kev ua haujlwm ntev -. Txawm hais tias muaj coob tus kho nws ua "plug-thiab-play" kev siv hluav taws xob, kev them nyiaj tsis raug feem ntau ua rau muaj peev xwm ntxov ntxov ploj mus thiab tsis txhob muaj kev ntxhov siab.
Raws liPolinovel covkev soj ntsuam hauv teb, phau ntawv qhia no muab kev sib sib zog nqus- dhia rau hauv CC/CV raws tu qauv thiab kho vajtse synchronization.
Lithium Battery Charging ua haujlwm li cas
Kev them nyiaj ntau dua li tsuas yog yuam cov tam sim no rau hauv pob. Nws yog ib qho yooj yim tsiv teb tsaws ntawm lithium ions. Thaum koj thov alithium roj teeb charger, lithium ions txav los ntawm cathode mus rau lub anode los ntawm electrolyte thiab separator, uas lawv tau khaws cia rau hauv cov qauv anode thaum them nyiaj.
Cov txheej txheem no yuav tsum tau tswj. Yog tias koj thawb nrawm dhau lossis nrog qhov tsis raugnqi zog, koj pheej hmoo ua rau cov qauv sab hauv.
CC/CV Charging Profile: Tus Qauv Kev Lag Luam
Lithium-ion chemistry ua raws li ob txoj cai nruj- theem: Tsis tu ncua (CC) thiab qhov tsis tu ncua (CV).
Tsis tu ncua tam sim no (CC) theem:Qhov no yog lub sijhawm them nyiaj ntau. Lub charger xa cov tam sim no tsis tu ncua thaum lub voltage nce. Rau ntau daim ntawv thov kev lag luam, CC theem coj lub roj teeb mus txog 80% SoC.
Tsis tu ncua Voltage (CV) Theem:Thaum lub roj teeb mus txog nws qhov voltage txwv, lub charger hloov. Qhov voltage nyob twj ywm, tab sis tam sim no pib taper tawm. Qhov no yog theem "saturation". Nws ua kom cov ions pom lawv qhov chaw nyab xeeb yam tsis muaj kev ntxhov siab rau lub cell.
Yuav Ua Li Cas Xaiv Txoj Cai Charger rau Lithium roj teeb
Xaiv lub charger mus dhau qhov kev sib tw ntawm lub cev - nws yog hais txogtag nrho system synchronization. Txhawm rau tiv thaiv koj cov peev txheej thiab ua kom ROI ntau tshaj plaws, koj lub charger yuav tsum ua kom haum nrog lub roj teeb lub logic sab hauv kom tiv thaiv kev puas tsuaj ntxov ntxov.
Xaiv lub charger yog, ua ntej thiab qhov tseem ceeb, qhov teeb meem ntawm kev tswj xyuas qhov tseeb. Tsis zoo li cov khoom siv hluav taws xob, lub lithium- sib xws charger yog cov cuab yeej raug tsim los tswj cov khoom siv tshwj xeeb ntawm LiFePO4 chemistry los ntawm ob txoj haujlwm tseem ceeb:
- Voltage Stability:Nws tuav qhov tsis muaj tseeb uas yuav tsum tau ua rau kev hloov pauv tsis tu ncua ntawm CC (Tam sim no tsis tu ncua) thiab CV (tsis tu ncua Voltage) theem.
- Kev sib koom tes BMS:Tshwj xeeb tshaj yog nyob rau hauv kev lag luam systems, lub charger yuav tsum hwm lub Battery Management System cov kev txwv kom ntseeg tau tias txhua lub xov tooj ntawm tes nyob hauv thaj tsam kev ua haujlwm nyab xeeb.
Vim li cas Lithium -Compatible Charger Matters
Xaiv lub charger yog, ua ntej thiab qhov tseem ceeb, qhov teeb meem ntawm kev tswj xyuas qhov tseeb. Tsis zoo li cov khoom siv hluav taws xob, lub lithium- sib xws charger yog cov cuab yeej raug tsim los tswj cov khoom siv tshwj xeeb ntawm LiFePO4 chemistry los ntawm ob txoj haujlwm tseem ceeb:
- Voltage Stability:Nws tuav qhov tsis muaj tseeb uas yuav tsum tau ua rau kev hloov pauv tsis tu ncua ntawm CC (Tam sim no tsis tu ncua) thiab CV (tsis tu ncua Voltage) theem.
- BMSKev sib koom tes:Tshwj xeeb tshaj yog nyob rau hauv kev lag luam systems, lub charger yuav tsum hwm lub Battery Management System cov kev txwv kom ntseeg tau tias txhua lub xov tooj ntawm tes nyob hauv thaj tsam kev ua haujlwm nyab xeeb.
Kev siv lub charger tsis sib xws tsis yog siv tsis tau xwb; Nws tuaj yeem ua rau rov ua BMS txiav tawm, them tsis tiav, lossis tsis tsim nyog kev ntxhov siab ntawm lub pob roj teeb, tshwj xeeb tshaj yog thaum cov khoom siv them nyiaj laus rov siv dua yam tsis tau kuaj xyuas qhov profile.
Koj puas tuaj yeem siv Lead -Acid Charger rau Lithium Battery?
Feem ntau, tus qauv txhuas -acid charger tsis yog qhov kev xaiv zoo tshaj plaws tshwj tsis yog nws suav nrog lub roj teeb - tau tshaj lithium hom thiab covroj teeb manufacturersmeej meej tso cai rau nws. Cov kev txhawj xeeb tseem ceeb yog tus cwj pwm sib npaug thiab ntab - theem tus cwj pwm:
- Equalization Risk:Lead-acid chargers feem ntau siv siab-voltage "Equalization" pulses los desulfate txhuas phaj. Cov pulses no tuaj yeem ua rau cov lithium hlwb puas tsuaj lossis ua rau BMS kaw tam sim los tiv thaiv qhov xwm txheej thermal.
- Float Risk:Lead-acid roj teeb yuav tsum tau them nqi "trickle" lossis "float" los them tus kheej - tso tawm. Lithium tsis yog. Tsis tu ncua voltage siab ntawm 100% SoC (State of Charge) ua rau Lithium Plating, uas ua rau muaj kev nyab xeeb sab hauv thiab txo cov roj teeb lub neej.
Thaum koj tau cog lus rau lub lithium{0}} tshwj xeeb charger, cov kauj ruam tom ntej yog los kho cov khoom siv hluav taws xob nrog koj lub cev qhov tshwj xeeb voltage architecture.
Sib piv Charger Voltage rau koj lub roj teeb (12V-48V)
Nws yog ib qho yuam kev uas xav tias lub charger voltage yuav tsum haum raws li lub roj teeb nominal voltage. Hauv kev muaj tiag, lub charger yuav tsum ncav cuag lub hom phiaj siab dua li lub roj teeb nominal voltage kom txav lithium ions mus rau hauv lub anode zoo thaum them nyiaj.
Txhawm rau kom tus nqi tag nrho thiab muaj kev nyab xeeb, nco ntsoov xyuas koj lub charger cov zis tawm tsam cov chaw tsim khoom roj teeb cov lus qhia. Cov lus hauv qab no qhia txog LiFePO4 lub hom phiaj-voltage ranges rau 12V, 24V, 36V, thiab 48V systems raws li cov lus qhia siv tau.
| Roj teeb Nominal Voltage | Charger Target Voltage (Tswj) |
| 12V (4 Cells) | 14.4V -14.6V |
| 24V (8 Cells) | 28.8V- 29.2V |
| 36V (12 Cells) | 43.2V - 43.8V |
| 48V (16 Cells) | 57.6V -58.4V |
Sib npaug nrawm thiab ntev: Lub luag haujlwm ntawm kev them nqi tam sim no
Thaum qhov hluav taws xob txiav txim siab "yog tias" lub roj teeb yuav them, qhov tam sim no (Amperage) txiav txim siab tias nws them sai npaum li cas thiab qhov kub npaum li cas. Hauv cov chaw lag luam, lub hom phiaj yog txhawm rau ua kom muaj txiaj ntsig kev ua haujlwm nrog ntev -ROI.
- Kev ua haujlwm tam sim no:Hauv ntau lub tshuab LiFePO4, tus nqi them ib ncig ntawm 0.3C txog 0.5C feem ntau yog siv los ua qhov sib npaug ntawm kev them nqi ceev thiab kev tsim hluav taws xob. Txawm li cas los xij, qhov raug txwv tseem nyob ntawm lub roj teeb tsim, BMS teeb tsa, thiab cov chaw tsim khoom qhia.
- Txoj cai ntawm Diminishing Returns:High tam sim no ua rau muaj kev tiv thaiv sab hauv thiab cua sov (P=I²R). Yog tias lub roj teeb kub siab tshaj qhov kev nyab xeeb, BMS yuav kaw lub charger. Yog li ntawd, lub charger loj "ceev" yuav tsis txo qis sijhawm; nws tsuas tuaj yeem ua rau muaj kev nyab xeeb - cuam tshuam qeeb.
Thaum xaiv koj lub charger, nco ntsoov xyuas kom lub siab tshaj plaws tso zis tam sim no tsis tshaj qhov Continuous Charge Tam sim no ntsuas los ntawm lub chaw tsim khoom roj teeb.
Nws siv sijhawm ntev npaum li cas los them lub roj teeb lithium?
Rau cov neeg ua haujlwm hauv kev lag luam, lub sijhawm them nyiaj yog qhov tseem ceeb hauv lub sijhawm ua haujlwm ntawm lub nkoj thiab kev ua haujlwm zoo.
Tus Qauv Kev Xam Xaj
Ib qho kev faib theem pib (Ah / A) tsuas yog muab cov ntsiab lus theoretical. Txhawm rau suav rau lub cev qhov tseeb ntawm lithium them nyiaj, cov kws tsim khoom lag luam siv 1.15x engineering tsis cuam tshuam los txiav txim siab lub sijhawm tiag tiag:
Nco tseg: Cov qauv no muaj qhov siab - kwv yees qhov yuav tshwm sim. Cov txiaj ntsig tiag tiag tuaj yeem hloov pauv raws liroj teeb chemistry(LiFePO4 vs. NMC), ambient kub, thiab hnub nyoog ntawm cov hlwb.
Lub Logic Tom Qab 1.15 Coefficient:
10% Efficiency Gap:Feem ntau cov khoom siv hluav taws xob ua haujlwm ntawm kwv yees li 90% kev ua haujlwm. Qhov ntxiv 0.1 nyiaj rau lub zog poob raws li cov cua sov thaum lub sij hawm AC - mus rau - DC hloov dua siab tshiab thiab sab hauv tsis kam.
Theem 5% Saturation:Kev them nyiaj lithium tsis yog -linear. Thaum lub sij hawm CC (Constant Current) theem yog ceev, qhov kawg CV (Constant Voltage) theem ua rau qeeb tam sim no kom nyab xeeb "sab saum toj" cov hlwb. Qhov "saturation tail" no feem ntau ntxiv txog 5% rau tag nrho lub sijhawm sib tham.
Raws li cov qauv 1.15x, ntawm no yog lub sijhawm poob rau kev lag luam kev lag luam los ntawm 0% txog 100% SoC:
| Roj Teeb Muaj Peev Xwm | Charger Tam sim no | Tus nqi them | Kwv yees tiag -Lub Sijhawm Ntiaj Teb |
| 100 Aw | 20A | 0.2C | ~ 5.5-6 teev |
| 100 Aw | 50A | 0.5C | -2.3-3 teev |
| 200 Aw | 40A | 0.2C | -5.5-6 teev |
| 200 Aw | 100A | 0.5C | -2.3-3 teev |
Koj puas tuaj yeem ceev lub sijhawm them nyiaj?
Technically, yog -los ntawm kev nce Amperage. Txawm li cas los xij, muaj lub cev "qab nthab" txhais los ntawm lub roj teeb C- tus nqi.
- 0.5C optimization:Feem ntau cov roj teeb LiFePO4 muaj kev ua haujlwm zoo rau 0.3C txog 0.5C tus nqi them. Qhov no muab qhov sib npaug zoo tshaj plaws ntawm kev rov qab sai thiab tsawg kawg thermal stress.
- Throttling Risk:Thaum 1C them tuaj yeem ua tau, qhov tshwm sim thaum tshav kub kub (P=I²R) feem ntau yuam BMS kom thim cov khoom siv tam sim no los tiv thaiv kev puas tsuaj ntawm tes, txhais tau tias ntau dua - lub charger yuav tsis txuag sijhawm.
- A Strategic Alternative:Rau kev ua haujlwm 24/7, Lub Sijhawm Them Sijhawm (lub sijhawm luv luv thaum so) feem ntau ua haujlwm tau zoo dua li 0-100% tus nqi sib sib zog nqus, vim nws khaws lub roj teeb hauv qhov txais tos zoo tshaj plaws "ceev- them"zone (20-80% SoC).
Vim li cas tiag -Lub Sijhawm Them Nqi Ntiaj Teb yuav txawv
Yog hais tias koj lub sij hawm them nqi deviates los ntawm cov mis, nws yuav yog vim li no peb technical "pom" yam:
- BMS Cell Balancing:Yog tias ib tus neeg lub hlwb tsis sib txuas, BMS yuav txuas ntxiv rau theem kawg them nyiaj kom sib npaug ntawm qhov voltages, kom ntseeg tau ntev - lub sijhawm ntim khoom noj qab haus huv.
- Environmental kub:Qhov txias txias ua rau muaj kev tiv thaiv sab hauv, thaum tshav kub kub ua rau muaj kev nyab xeeb qeeb. Ob qhov xwm txheej txuas ntxiv lub qhov rais them nyiaj.
- Infrastructure Loss:Ntev cable khiav los yog tsis zoo - connectors zoo tsim voltage poob. Lub zog no yog nkim li cua sov es tsis yog khaws cia hauv lub roj teeb.
Lithium Battery Charging nyob rau hauv Industrial Applications
Cov ntsiab lus them nyiaj saum toj no siv dav, tab sis lawv tau dhau los ua qhov tseem ceeb tshwj xeeb hauv kev lag luam ib puag ncig uas lub sijhawm ua haujlwm, kev sib txuas ntawm lub charger, thiab kev tswj thermal cuam tshuam ncaj qha rau kev ua haujlwm txhua hnub.
Lub Sijhawm Them Nqi: Qhov "Zero-Downtime" Strategy
Cov tsoos "8-8-8" qauv-yuav tsum tau 8 teev ntawm kev ua haujlwm, 8 teev them nyiaj, thiab 8 teev ua kom txias-yog siv tau zoo rau cov haujlwm niaj hnub no. Lithium technology enablesKev Them Nyiaj, uas integrates lub hwj chim replenishment ncaj qha mus rau lub ntuj ua hauj lwm so.
- Seamless Integration:Txij li thaum lithium tsis muaj "nco nyhuv," cov neeg ua haujlwm tuaj yeem ntsaws rau hauv lub sijhawm 15 feeb so lossis noj su. Lub tswv yim no tsis tu ncua ua rau Lub Xeev Tus Nqi (SoC) nyob rau hauv 20% mus rau 80% kev ua haujlwm ntawm thaj chaw thoob plaws hauv kev ua haujlwm.
- Peb -Shift Versatility:Hauv daim ntawv thov forklift lossis AGV, ib lub roj teeb lithium feem ntau siv peb zaug sib law liag. Los ntawm kev siv "sab saum toj-ups" thaum lub sijhawm tsis ua haujlwm, koj tshem tawm qhov xav tau ntawm cov khoom lag luam kim kim thiab cov haujlwm ua haujlwm- cov chav roj teeb hnyav uas yuav tsum tau ua rau cov hlau lead-acid swaps.
CAN Bus Communication: Qhov System Kev Txawj Ntse
Kev them nyiaj muaj peev xwm yog cov ntaub ntawv- tsav cov txheej txheem uas qhov kev ua tau zoo yog hais los ntawm kev ua haujlwm synchronization ntawmCAN Buscov txheej txheem. Qhov "lub hlwb" digital no ua kom ntseeg tau tias lub charger thiab BMS (Battery Management System) ua haujlwm zoo sib xws.
- Adaptive Output: Los ntawm kev sib txuas lus digital "handshake," lub charger kho nws cov zis hauv lub sijhawm tiag tiag - raws li qhov ntsuas kub ntawm tes thiab sab hauv tsis kam qhia los ntawm BMS.
- Kev Tiv Thaiv Kev Ua Phem: Qhov kaw no - lub voj kev sib txuas ua kom lub charger tsis pub dhau lub hnab ntawv ua haujlwm nyab xeeb ntawm lub roj teeb. Yog tias BMS kuaj pom lub xov tooj ntawm tes tawm ntawm qhov sib npaug, nws hais kom nrawm nrawm- rov qab los tiv thaiv kev kub ntxhov thiab tiv thaiv ntev - lub sijhawm ROI.
Industrial Safety Standards thiab Thermal Management
Cov cuab yeej siv rau hauv pem teb kev lag luam yuav tsum muaj kev vibration siab, plua plav, thiab huab cua kub heev. Kev ntseeg tau ntawm no yog cov khoom ntawm kev ua haujlwm nruj thiab kev ua raws li thoob ntiaj teb.
1. Active Thermal Regulation:Them siab - pob khoom muaj peev xwm rauhnyav - lub luag haujlwm forkliftsgenerates tseem ceeb hauv tshav kub. Industrial-qib chargers siv siab heevthermal tswjtxhawm rau tiv thaiv kev laus ntawm electrolyte, ua kom muaj kev ua tau zoo ib yam txawm tias nyob hauv tsis yog - huab cua- cov chaw khaws khoom.
2. Certified Ua raws (UL, CE, IEC):Txhawm rau ua kom tau raws li kev soj ntsuam kev nyab xeeb thiab kev tuav pov hwm cov tuam txhab, Polinovel cov txheej txheem ua raws li cov qauv ntsuas thoob ntiaj teb tseem ceeb:
- UL 2580 / UL 2271: Kev lees paub tias lub roj teeb thiab kev them nyiaj tuaj yeem tiv taus kev ntxhov siab thiab hluav taws xob tsis zoo.
- IEC 62133: Cov txheej txheem thoob ntiaj teb tseem ceeb rau kev nyab xeeb ntawm lithium hlwb hauv kev lag luam siv.
- CE (LVD / EMC): Ua kom muaj kev sib raug zoo ntawm electromagnetic, tiv thaiv cov txheej txheem them nyiaj los ntawm kev cuam tshuam nrog AGV sensors lossis cov khoom siv hluav taws xob.
Daim ntawv teev npe ceev kom them cov roj teeb lithium kom nyab xeeb
Txhawm rau kom ua tiav qhov ROI thiab kev nyab xeeb ntawm koj cov cuab yeej hluav taws xob, cov tswv lag luam yuav tsum txav mus dhau qhov kev sib txuas yooj yim thiab ua raws li cov qauv kev them nyiaj.
1. Kho vajtse Alignment & Profile Integrity
Chaw tsim tshuaj paus-Profiles pom zoo: Ib txwm siv lub charger nrog ib qho profile tshwj xeeb pom zoo los ntawm cov chaw tsim khoom roj teeb kom ntseeg tau tias txhua qhov hluav taws xob thiab qhov ntsuas tam sim no raug ua kom raug.
- Lub Equalization Trap: nruj me ntsis zam chargers nrog lead-acid "Equalization" hom. Lub siab -voltage pulses tsim los desulfate txhuas daim hlau tuaj yeem ua rau muaj kev ntxhov siab txog lithium chemistry lossis ua rau BMS kaw tam sim ntawd.
- Voltage Precision: Lithium chemistry yuav tsum muaj qhov tseeb voltage qab nthab; qhov sib txawv ntawm txawm tias 0.2V los ntawm qhov pom zoo profile tuaj yeem cuam tshuam qhov system stability lossis ua rau muaj kev tiv thaiv kaw.
2. Ib puag ncig & Thermal Constraints
- Sub-Zero Charging Management: Tsis txhob pib them qis dua 0℃(32F) tshwj tsis yog lub kaw lus muaj cov khoom cua sov ua ke. Nyob rau hauv cov xwm txheej khov, lithium ions tuaj yeem "phaj" qhov chaw anode raws li cov hlau dendrites, tsim kom muaj kev pheej hmoo mus tas li ntawm cov hluav taws xob luv luv.
- Qhov cua thiab cua sov: Ib txwm them rau hauv qhov dej zoo- qhov chaw cua kom tiv thaiv kom tsis txhob muaj zog. Cov cua kub ntau dhau yog tus tsav tsheb ntawm electrolyte lwj thiab lub peev xwm ntxov ntxov ploj.
3. System Intelligence & Storage Strategy
- BMS-Charger Synchronization: Ua ntej lub chargers uas txhawb nqa kev sib koom tes ntawm BMS. Lub charger "dumb" uas tsis tuaj yeem hnov mob rau BMS kev nyab xeeb ua rau tshem tawm koj qhov kev tiv thaiv tseem ceeb tiv thaiv cov xwm txheej thermal.
- Siab -SoC Fatigue Management: Tsis txhob tuav 100%Lub Xeev Tus Nqi (SoC)thaum lub sij hawm ntev ntawm inactivity. Rau lub sijhawm ntev - khaws cia, tswj qhov ntau ntawm 40% txog 60% SoC feem ntau pom zoo kom txo cov tshuaj lom neeg kev ntxhov siab thiab electrolyte oxidation.
- Kev Sib Txuas Kev Ncaj Ncees: Xyuas kom txhua qhov kho vajtse fittings nruj kom txo qis kev tiv thaiv. Loose connectors ua rau lub zog pov tseg thiab hluav taws kub muaj teeb meem los ntawmI²Rkub poob.
Yog lawmlithium roj teeb themyog ib txoj hauv kev zoo tshaj plaws los xyuas kom lub neej ntev ntawm koj lub zog lithium. Los ntawm kev ua raws li CC / CV profile kom raug, hwm qhov ntsuas kub, thiab siv kev sib txuas lus hauv tsheb npav CAN, koj tsis yog tiv thaiv lub roj teeb xwb -koj ua kom koj lub sijhawm ua haujlwm tag nrho.
Txawm hais tias koj tab tom txhim kho lub warehouse fleet los yog tsim ib lub zog tshwj xeeb motive zog,Polinovelmuab cov roj teeb sib xyaw ua ke-thiab- cov kev daws teeb meem charger tsim los txhawb kev nyab xeeb, kev them nqi hluav taws xob, thiab lub neej ua haujlwm ntev hauv daim ntawv thov- tshwj xeeb rau kev siv.
Tsis txhob twv thiab pib optimizing. [Hu rauPeb Cov Kws Ua Haujlwm Hnub no] rau kev sib tham txog kev siv hluav taws xob thiab tau txais cov txheej txheem tsim los rau koj lub luag haujlwm tshwj xeeb.
FAQ Txog Them Lithium roj teeb
Q: Txoj cai them cov roj teeb lithium yog dab tsi?
A: Txoj cai yooj yim yog siv lub lithium{0}}tshaj lithium charger nrog qhov tseeb voltage, tam sim no txwv, thiab CC / CV charging profile. Nco ntsoov ua raws li cov chaw tsim khoom roj teeb cov lus qhia tshwj xeeb, tshwj xeeb tshaj yog rau qhov hluav taws xob, qhov kub thiab txias, thiab cov nqi siab tshaj plaws tam sim no.
Q: Kuv puas xav tau lub roj teeb tshwj xeeb los them cov roj teeb lithium?
A: Feem ntau, yog. Lub roj teeb lithium yuav tsum tau them nrog lub charger tsim rau nws cov chemistry, xws li LiFePO4. Lub charger yuav tsum phim lub roj teeb qhov hluav taws xob, qhov ntsuas tam sim no, thiab BMS cov cai.
Q: Yuav ua li cas yog tias koj them lub roj teeb lithium nrog lead-acid roj teeb charger?
A: Ib tug lead-acid charger tuaj yeem siv ntab them lossis hom sib npaug uas tsis haum rau cov roj teeb lithium. Qhov no tuaj yeem ua rau them tsis tiav, BMS kaw, kev ntxhov siab ntawm tes, lossis lub sijhawm ntev - roj teeb puas.
Q: Puas yog nws tso tseg lithium -Ion roj teeb ntawm lub charger thaum hmo ntuj?
A: Nws nyob ntawm lub charger thiab roj teeb system. Lub lithium charger zoo yuav tsum nres lossis txo kom them thaum lub roj teeb puv. Txawm li cas los xij, ua kom lub roj teeb lithium ntawm 100% lub xeev them rau lub sijhawm ntev tsis zoo rau lub sijhawm ntev - roj teeb kev noj qab haus huv.
Q: Ntev npaum li cas 10 amp charger yuav siv sij hawm los them lub roj teeb 100Ah?
A: Kev kwv yees yooj yim yog: 100Ah ÷ 10A × 1.15=txog 11.5 teev. Lub sij hawm them nqi tiag tiag yuav txawv nyob ntawm lub roj teeb, kev ua haujlwm ntawm lub charger, qhov kub thiab txias, thiab qhov kawg ntawm qhov kawg ntawm -voltage charging theem.
