Bianyinam ahoɔden forklift batere a wɔde yɛ adwumabetumi ayɛ sɛ ɛfata wɔ krataa so nanso ɛda so ara di apere wɔ heavy-adwuma mu.
Voltage ne Ah yɛ equation no fã bi pɛ. Adesoa a emu yɛ duru, nneɛma a wɔma so mpɛn pii, akwantu tenten, akwan a wɔfa so kɔ soro, ne nsakrae a ɛtrɛw nso ma nneɛma a wɔde fi mu ba, ɔhyew a ɛgyina pintinn, ne sɛnea wɔbɔ charge no hwehwɛ kɛse.
Esiane eyi nti, ɛsɛ sɛ battery a wɔpaw no kɔ akyiri sen voltage ne capacity. Ɛsɛ sɛ battery a ɛfata no ne forklift no adwumayɛ kyinhyia ankasa hyia na ɛde ahoɔden a wotumi de ho to so ma wɔ shift no nyinaa mu-ɛnyɛ sɛ ɛde Ah rating a ɛkorɔn bɛma kɛkɛ.
Saa akwankyerɛ yi kyerɛkyerɛ nsɛm titiriw a ɛsɛ sɛ wosusuw ho bere a worepaw lithium batere ama anyinam ahoɔden forklift a emu yɛ duru-.
Dɛn na Ɛma Electric Forklift Dwumadi "yɛ Heavy-Duty"?
"Heavy-duty" kyerɛkyerɛ sɛnea forklift yɛ adwuma, ɛnyɛ ne voltage, Ah rating, anaa ne kɛse kɛkɛ. Electric forklift koro no ara betumi de ahwehwɛde ahorow a ɛsono emu biara koraa aba ne batere so a egyina adwuma dodow ne sɛnea wɔsakra no so.
Adwuma mu kyinhyia bɛyɛ nea ɛyɛ den kɛse bere a tebea horow pii bom sisi no:
- Adesoa a emu yɛ duruhwehwɛ ahoɔden pii ma akwantu ne nneɛma a wɔma so.
- Mpɛn pii a wɔma nneɛma so na wɔyɛ ntɛmntɛmde tumi a ɛsen biara a wɔhwehwɛ mpɛn pii ba.
- Akwantu a wɔde nneɛma tenten ahyɛ mu anaasɛ akwan a wɔfa so kɔ hɔma battery a ɛkɔ so daa no nkɔ soro.
- Ntrɛwmu anaa multi-shift adwumayɛma ahoɔden a wɔde di dwuma nyinaa kɔ soro.
- Mfɛnsere ntiantiaa a wɔde chargertew bere a ɛwɔ hɔ a wɔde bɛsan de ahoɔden aba no so.
Ɛnyɛ ade biako pɛ na ɛho hia titiriw, na mmom mpɛn dodow ne sɛnea ɛyɛ den a wɔaka abom. Forklift a ɛde nnesoa a ɛkɔ fam ho dwuma nnɔnhwerew kakraa bi betumi de adwennwen kakraa bi aba...anyinam ahoɔden Forklift Battery a wɔde yɛ adwuma. Lɔre koro no ara a ɛde batere tu mmirika tenten, foro akwan a ɛkɔ soro, na ɛma nneɛma so mpɛn pii a bere kakraa bi na ɛde batere no hwehwɛ sɛ wɔde batere a ɛyɛ adwuma yiye di dwuma.
Battery Nkyerɛkyerɛmu 6 a Ɛho Hia Kɛse ma Heavy-Duty Forklifts
Lithium forklift battery abien nyinaa betumi ayɛ 80V 600Ah na ɛda so ara yɛ adwuma soronko wɔ heavy-duty adwumayɛ mu.
Voltage si so dua sɛ anyinam ahoɔden hyia, bere a Ah kyerɛ charge tumi na kWh ma wotumi susuw ahoɔden tumi a ɛda adi pefee. Nanso akontaabu ahorow yi nkutoo nkyerɛ sɛ ebia...anyinam ahoɔden Forklift Battery a wɔde yɛ adwumabetumi de ahotoso aboa ma wɔma nneɛma so mpɛn pii, akwantu a wɔde nneɛma gu mu, akwan a wɔfa so kɔ soro, ne nnɔnhwerew tenten a wɔde yɛ adwuma.
Wɔ heavy-duty applications ho no, ɛsɛ sɛ wosusuw nsɛm foforo pii ho. Ɛfata sɛ yɛhwɛ nneɛma pɔtee asia a edidi so yi yiye sen biara.
1. Voltage - Di kan fa Forklift Electrical System no hyia
Asɛm titiriw: Di kan fa forklift no ahoɔden a wɔhwehwɛ no hyia. Voltage anaa tumi a ɛkorɔn ntumi nsiesie anyinam ahoɔden nhyehyɛe a ɛne ne ho nhyia
Ɛsɛ sɛ battery ahoɔden no ne forklift no anyinam ahoɔden nhyehyɛe hyia, a nea ɛka ho ne traction system, hydraulic system, controller, ne OEM anyinam ahoɔden nneɛma afoforo. Wɔmma batere a ɛwɔ ahoɔden a ɛnteɛ nyɛ nea ɛfata denam ahoɔden pii a wɔde ma ara kwa so.
Ebia anyinam ahoɔden forklifts a emu yɛ duru-de bedi dwuma80V, 96V, 120V, anaa nea ɛkorɔn-voltage platforms, a egyina sɛnea wɔayɛ lɔre no so. Nanso, voltage a ɛkorɔn nkyerɛ sɛ ɛyɛ adwuma yiye wɔ heavy-duty mu.
Ansa na wobɛpaw obi a ɔde besi ananmulithium forklift batere a wɔde yɛ nneɛma, si voltage a wɔhwehwɛ fi:
- forklift mfonini ne nea wɔakyerɛkyerɛ mu
- mfitiase batere din krataa
- OEM nkrataa a wɔde kyerɛw
Sɛ wosi voltage a ɛfata no so dua wie a, asɛmmisa a edi hɔ no nyɛ nea ɛne ne ho hyia bio, na mmom ahoɔden dodow a wobetumi de adi dwuma a forklift no hia wɔ hokwan ahorow a wɔde bɛbɔ charge no ntam.
2. Ahoɔden Tumi - Kɛseɛ ma Asɛdeɛ Ankasa Kyinhyia
Asɛm titiriw: Ɛsɛ sɛ batere ahoɔden tumi ne ahoɔden a ɛhia wɔ hokwan ahorow a ɛyɛ nokware a wɔde bɛbɔ charge ntam-ɛnyɛ sɛ ɛbɛma Ah dodow no ayɛ kɛse kɛkɛ. Enti ɛsɛ sɛ wosusuw tumi a wɔde charge no ho ne tumi a wɔde tua ho ka.
Wɔ forklift a emu yɛ duru-adwuma mu no, tumi a wɔhwehwɛ no gyina adwuma kyinhyia ankasa so:
- Adwuma a ɛyɛ den:sɛ wɔkyekyem pɛpɛɛpɛ a, adesoa ne mpɛn dodow a wɔma so
- Anamɔntuo:akwantu kwan tenten ne adwumayɛ mu ahoɔden
- Hyehyɛberɛ:nnɔnhwerew a wɔde yɛ adwuma ne bere a wɔmfa nyɛ hwee
- Nneɛma a wɔde tua ho ka:a ɛwɔ hɔ a wɔde charge mfɛnsere, battery maximumcharging mprempren, ne charger ahoɔden a ɛne no hyia
Ah nkyerɛkyerɛ ahoɔden a wɔde asie no nkutoo mu. Ɛsɛ sɛ wɔbom susuw voltage ne Ah ho, bere a kWh ma wotumi susuw ahoɔden a ɛwɔ hɔ nyinaa ho pefee.
Ah a ɛkorɔn no nyɛ nea eye sen biara. Tumi pii betumi akyerɛ kɛse nebatere a emu yɛ duru-a ɛyɛ adwuma. Sɛ wowɔ charger ahoɔden koro no ara a, egye bere tenten nso ansa na wɔasan de charge; sɛ wobɛkura charge bere koro no ara mu a, ebia ɛbɛhia sɛ wode charger a ɛkorɔn-power matched.
Enti ebia forklift a ebetumi akɔ soro bere a wɔagye ahome anaasɛ nsakrae a ɛba bere a wɔsakra mu no behia ahoɔden a ɛsono nea ɛsɛ sɛ ɛyɛ adwuma bere tenten wɔ charge ahorow ntam.
3. Continuous Current - So Battery no betumi akura adwuma a emu yɛ duru mu?
Asɛm titiriw: Runtime ne sustained power yɛ ahwehwɛde ahorow. Ebia battery benya ahoɔden a ɛdɔɔso ama shift nanso ɛda so ara nni tumi a ɛkɔ so yi fi mu a ɛho hia ma adwuma a emu yɛ duru-adwuma.
Current a ɛkɔ so kyerɛ current dodow a battery no betumi de ama bere tenten bere a ɛtra ne dwumadi anohyeto mu no. Eyi ho hia bere a wɔma ahoɔden a wɔhwehwɛ kɛse no kɔ so mmom sen sɛ wɔbɛyɛ no bere ne bere mu no.
Tebea horow a ɛtaa ba no bi ne:
- akwantu tenten a wɔde nneɛma ahyɛ mu
- adwumayɛ a ɛkɔ so wɔ ramps so
- kar a wɔtaa fa so a bere kakraa bi na wɔde yɛ adwuma
- high-utilization nsakraeɛ
Ah kyerɛ tumi a wɔde charge, bere a kWh ma wonya ahoɔden a wɔde asie no susuw a emu da hɔ. Current a ɛkɔ so na ɛkyerɛ current dodow a battery no betumi de ama bere nyinaa wɔ adesoa ase.
Sɛ nhwɛso no, ebia 80V 600Ah lithium batere abien benya ahoɔden a ɛte saa ara nanso ɛsono sɛnea ɛkɔ so mprempren. Ebia batere a ɛba fam-remfata mma forklift a ɛde bere tenten tu kwan wɔ adesoa ase anaasɛ ɛyɛ adwuma wɔ ramps so.
4. Peak Current - So Ebetumi adi Lifting ne Acceleration ho dwuma?
Asɛm titiriw: Peak current na ɛkyerɛ sɛ battery no betumi adi tumi a wɔhwehwɛ tiawa, a ɛkorɔn- ho dwuma, nanso ɛsɛ sɛ wɔhwɛ rating no nso hwɛ bere tenten a wɔama ho kwan.
Forklift ntwetwe ahoɔden wɔ ɔkwan a ɛkɔ so daa so. Mprempren nneɛma a wɔhwehwɛ kɛse no bi ba wɔ bere tiaa bi mu, titiriw wɔ:
- mfiase ne ahoɔhare a ɛkɔ ntɛmntɛm
- nneɛma a emu yɛ duru a wɔma so
- akwantu ne lift a wɔde ma bere koro mu
- nsakrae a ɛba mpofirim wɔ adesoa mu
Saa nsɛm a esisi yi betumi adi sikɔne kakraa bi pɛ, enti ɛsɛ sɛ wɔhwɛ peak discharge current bere nyinaa ne bere tenten a wɔma ho kwan.Sɛ nhwɛso a ɛnyɛ den no, aanyinam ahoɔden forklift batere a wɔde yɛ adwumarated sɛ ɛde 600 A bɛma sikani 5 no nni tumi a ɛkyɛ -te sɛ nea ebetumi akura 600 A mu sikani 30 no.
Eyi yɛ ade foforo nti a 80V 600Ah lithium forklift battery abien betumi ayɛ adwuma wɔ ɔkwan soronko so wɔ lɔre koro no ara a emu yɛ duru-mu. Wɔn nominal voltage ne wɔn tumi betumi ayɛ pɛ, bere a wɔn bere tiaa-bere tumi tumi betumi ayɛ soronko esiane:
- nkwammoaa nhyehyɛe ne emu ahoɔden a ɛko tia
- Batere a Wɔde Di Dwuma Ho Nhyehyɛe (BMS) .mprempren anohyeto ahorow
- peak discharge current ne bere tenten a wɔama ho kwan
- battery no hyew
Enti batere betumi anya ahoɔden a ɛdɔɔso ama nsakrae-ne mpo mprempren dodow a ɛkɔ so a ɛfata-bere a ɛda so ara nhyia yiye ne tumi a ɛkorɔn-tumi a ɛkɔ soro mpɛn pii.
5. Ɔhyew Tumi - So Ebetumi Akura Heavy-Duty Output?
Asɛm titire: Ɛnsɛ sɛ forklift battery a emu yɛ duru-du mprempren dodow a wɔhwehwɛ no ho nko-ɛsɛ sɛ etumi kura saa adwumayɛ no mu denam adesoa a ɛkorɔn-adesoa a ɛkɔ soro a wɔyɛ no mpɛn pii so.
Heavy-duty duty cycles de ɔhyew tumi to nhyɛso kɛse ase. Nneɛma a wɔma so mpɛn pii, akwantu a wɔde nneɛma gu mu, bere tenten a wɔde yɛ adwuma, ne hokwan anaacharging ntɛmntɛmne nyinaa betumi de ɔhyew aka batere no ho wɔ bere a wɔreyɛ adwuma no.
Eyi ho hia efisɛ sɛ batere no tumi kɔ so tra ne thermal adwumayɛ anohyeto mu bere a ɛde rema nkutoo a, mfaso wɔ current a ɛkɔ so ne peak current ratings mu. Bere a batere no rebɛn saa anohyeto ahorow no, BMS ɔhyew nhyehyɛe ne ɔhyew a wɔsɛe no ho hia kɛse ma adwumayɛ a ɛkɔ so daa.
Enti, sɛ wopɛ forklift battery a emu yɛ duru-adwuma a, hwɛ pii sen nea wɔatintim noadwumayɛ mu ɔhyew a ɛkɔ soro:
- nnaduafieɔhyew a wɔhwɛ so
- ɔhyew a wɔkyekyɛ wɔ pack no mu nyinaa
- BMS ɔhyew anohyeto ahorow
- ɔhyew a wɔsɛe no tumi
- ɔhyew a wɔma ho kwan sɛ wɔde charge ne discharge
Ɔhyew a ɛtrɛw nkutoo nkyerɛ sɛ ɛfata sɛ wɔyɛ adwuma a emu yɛ duru. Ɛsɛ sɛ batere no tumi de ahoɔden a ɛho hia no ma mpɛn pii bere a ɛma ɔhyew no kɔ so yɛ adwuma no.
6. Battery Mu duru ne Mfiri a Ɛfata - Ɛsɛ sɛ Battery no Fata Lɔre no, Ɛnyɛ Ɔdan no mu Nkutoo
Asɛm titiriw: Ɛsɛ sɛ forklift battery a emu yɛ duru-de ne lɔre no hyia wɔ mfiridwuma mu ne anyinam ahoɔden nso.
Wɔ heavy-duty counterbalance forklifts ho no, battery fit sen sɛ wobɛhwɛ sɛ pack no hyɛ compartment no mu anaa. Ebia ɛho behia nso sɛ batere no hyɛ OEM-a wɔakyerɛ mubattery mu duru a ɛwɔ hɔna ɛne nhyehyɛe a wɔhwehwɛ sɛ wɔde besisi so no hyia efisɛ, wɔ lɔre ahorow bi so no, batere dodow yɛ nhyehyɛe a wɔde gyina pintinn no nyinaa fã.
Enti ɛsɛ sɛ wɔhwɛ OEM nkrataa ansa na wɔasesa batere a edi kan no. Nhwɛsoɔ,Toyota forklift data mprɛte ahorowbetumi akyerɛ batere mu duru a ɛba fam ne nea ɛsen biara, ahyɛ mu den sɛ batere mu duru yɛ lɔre-ahwehwɛde pɔtee a ɛfa nhyiamu ho-ɛnyɛ nneɛma a wɔde ahyɛ mu a wɔpɛ kɛkɛ.
Ɛno kyerɛ sɛ ɛsɛ sɛ batere a wɔde besi ananmu a wɔpaw no susuw ho:
- L × W × H
- OEM-akyerɛ batere mu duru a ɛba fam/ɛboro so anaa nea wɔma ho kwan
- tray ne mounting nhyehyɛe
- ɔkwan a wɔfa so siw ano anaasɛ wɔfa so siesie
- ballast ahwehwɛde
- cable ne connector gyinabea
Eyi ho hia titiriw bere ade lithium besi lead-acid batere ananmu. Ebia lithium pack bɛyɛ ketewaa anaasɛ emu yɛ hare bere a ɛma anyinam ahoɔden a wɔhwehwɛ no, nanso sɛ forklift no kyerɛ batere mu duru a ɛba fam anaasɛ wɔma ho kwan a, ɛnyɛ mfaso a ɛba fam no ara kwa.
Wɔ saa nsɛm no mu no,...lithium batere a wɔde yɛ adwumaebia ebehia ballast a wɔaka abom anaa lɔre-ahyɛnsode pɔtee bi a wɔde abɔ ho nhyehyɛe na ama wɔanya nea ɛfata a wɔhwehwɛ na wɔadi batere mu duru a wɔakyerɛ no ho dwuma.
Fa Specs no hyia Duty Cycle - Ɛnyɛ Generic Battery Table
Forklifts a emu yɛ duru-adwumamma ne nyinaa nnyɛ batere no so dua wɔ ɔkwan koro so. Nneɛma pɔtee a ɛho hia kɛse no gyina baabi ne sɛnea lɔre no de n’ahoɔden di dwuma bere a ɛresakra no so.
| Heavy-Adwuma a Wɔde Yɛ Adwuma Kyinhyia | Battery Specs a Ɛsɛ sɛ Wodi Kan |
| Nneɛma a emu yɛ duru a wɔtaa ma so | Peak mprempren + ɔhyew tumi |
| Akwantu a wɔde nneɛma tenten ahyɛ mu | Ahoɔden tumi + current a ɛkɔ so |
| Ramp a wɔtaa yɛ adwuma | Kɔ so mprempren + ɔhyew tumi |
| Nsakrae tenten a wɔde charge kakraa bi na ɛyɛ | Kɔ so mprempren + ɔhyew tumi |
| Multi-shift adwumayɛ | Ahoɔden tumi + charge tumi |
Saa pon yi yɛ akwankyerɛ a wɔde di kan, ɛnyɛ nhyehyɛe a wɔde si hɔ a wɔahyɛ da ayɛ. Ɛsɛ sɛ batere a wɔpaw ankasa no susuw adwuma no nyinaa ho, a adesoa, akwantu, mpɛn dodow a wɔma so, nnɔnhwerew a wɔde yɛ adwuma, ne bere a ɛwɔ hɔ a wɔde bɛbɔ ka ka ho.
Sɛ nhwɛso no, sɛ wɔtaa ma nneɛma so no si so dua kɛse wɔ ahoɔden a ɛsen biara so, bere a akwantu a wɔde adesoa kyɛ tu kwan no ma hia a ɛho hia sɛ wɔkɔ so de anyinam ahoɔden ne ahoɔden tumi di dwuma no yɛ kɛse. Wɔ multi-shift dwumadie ho no, charge windows a ɛwɔ hɔ ne charge tumi nso ka dodoɔbattery a wɔde yɛ adwumano ho hia wɔ oprehyɛn bere ntam.
Ɛnyɛ botae no ne sɛ wɔbɛma ahoɔden, ahoɔden, ne ɔhyew adwumayɛ a ɛkari pɛ wɔ forklift no adwuma ankasa ho.
Sɛnea Wobɛpaw Heavy-Duty Electric Forklift Battery a Ɛfata
Ɛsɛ sɛ batere a wɔpaw no fi ase wɔ forklift ne ne dwumadie tebea ankasa-ɛnyɛ Ah nyansahyɛ a ɛyɛ generic.
Si Forklift Ahwehwɛde ahorow no so dua
Fi ase fa lɔre no ho nsɛm a wɔakyerɛw no so:
- nea ɔyɛe ne nea ɔyɛe
- nominal voltage a ɛwɔ hɔ
- rated adesoa tumi
- mfitiase batere ho nsɛm
- batere dan no nsusuwii
- OEM-akyerɛ batere mu duru a wɔma ho kwan
Eyinom de anyinam ahoɔden ne mfiri a wɔhwehwɛ titiriw ma...batere a wɔde besi ananmu.
Kyerɛkyerɛ Asɛyɛde Kyinhyia Ankasa mu
Kyerɛw sɛnea forklift no yɛ adwuma wɔ nneyɛe mu:
- adesoa a wɔkyekyem pɛpɛɛpɛ ne nea ɛsen biara
- mpɛn dodow a wɔma nneɛma so
- loaded akwantu kwan tenten
- ramp adwumayɛ
- nnɔnhwerew pii wɔ adwuma biara mu
- dodow a wɔyɛ adwuma da biara
Eyi kyerɛ baabi a batere no behyia ahoɔden ne ahoɔden a wɔhwehwɛ kɛse.
Fa Battery Ahoɔden ne Tumi hyia
Fa adwuma no di dwuma fa hwɛ nea wɔhwehwɛ:
- Ah / kWh tumi a ɛwɔ hɔ
- kɔ so discharge mprempren
- peak discharge mprempren
- ɔhyew tumi a wɔde yɛ adwuma
Ɛsɛ sɛ batere no ma ahoɔden a ɛdɔɔso ma adwumayɛ bere no bere a ɛboa ahoɔden a wɔhwehwɛ a ɛkɔ so ne bere tiaa{0}}bere tiaa a wɔhwehwɛ no.
Hwɛ sɛ Charging Tumi no yɛ nokware anaa
Afei si so dua sɛ ebia batere ne charger no betumi asan de ahoɔden a ɛho hia no aba wɔ charging window a ɛwɔ hɔ no mu anaa:
- battery a ɛsen biara a wɔde charge mprempren
- a ɛne charger voltage ne ahoɔden hyia
- bere a wɔde gye sika a ɛwɔ hɔ
- hokwan a wɔde gye sikaa ɛwɔ hɔ
- battery–charger nkitahodi a ɛhwehwɛ
Wɔ multi-shift dwumadie ho no, charging windows a ɛwɔ hɔ no bɛtumi aka battery ahoɔden a ɛhia wɔ charge ntam no kɛseɛ. Enti ɛsɛ sɛ wɔde batere no charge tumi ne charger ahoɔden no kɛse bom ne ahoɔden a wɔhwehwɛ.
Hwɛ Fit ne System Integration a ɛyɛ nokware
Awiei koraa no, si so dua sɛ:
- nsusuwii ne OEM-a wɔakyerɛ batere mu duru ahwehwɛde
- ballast ahwehwɛde ahorow, sɛ ɛfata a
- connector no su ne ne gyinabea
- cable routing a wɔde fa kwan so
- batere–lɔre nkitahodi a wɔhwehwɛ (sɛ nhwɛso no, .BƐTUMIanaa RS485, baabi a ɛfata) .
- Ɔman a Wɔde Di Dwuma (SOC) .kyerɛ sɛnea ɛne ne ho hyia
Electrical adwumayɛ nkutoo nkyerɛ sɛ ɛne ne ho hyia. Ɛsɛ sɛ batere no nso hyɛ lɔre no mu wɔ mfiri kwan so na ɛne ne anyinam ahoɔden ne nkitahodi nhyehyɛe ahorow no bom.
Adetɔfo Ntɛmntɛm Nhwehwɛmu Nhoma
Ansa na wobɛbisa battery quotation no, siesie nsɛm a edidi so yi:
Lɔre mfonini + mfitiaseɛ batere ho nkyerɛkyerɛmu + dan mu nsusuiɛ + OEM-batere mu duru a wɔakyerɛ + adwuma kyinhyia + charge window + connector ne nkitahodiɛ ahwehwɛdeɛ.
Dodow a saa nsɛm yi di mũ no, dodow no ara na ɛyɛ mmerɛw sɛ wubehu sɛ ebia lithium batere nhyehyɛe bi ne forklift no hyia ankasa sen sɛ ɛne krataa so bɛyɛ pɛ ara kwa.
Sɛ yɛka ne nyinaa bom a, paw aanyinam ahoɔden forklift battery a emu yɛ duru-adwumaɛba fam wɔ nnyinasosɛm biako so: fa batere no toto lɔre no ne ne dwumadi kyinhyia ankasa ho.
Voltage ne capacity yɛ mfiase nkutoo. Adwuma a emu yɛ duru-adwuma a wotumi de ho to so nso gyina tumi a wɔde ma so, .ɔhyew tumi a wɔde yɛ adwuma, tebea a wɔde charge, ne mfiri a wɔde hyɛ mu.
Hia nea ɛfataanyinam ahoɔden forklift batere a wɔde yɛ adwumanhyehyɛe a wode bɛyɛ wo forklift? ManePolinovel a ɛyɛ nhomawo lɔre no su, batere ho nsɛm, dwumadie kyinhyia, ne charge ho ahwehwɛdeɛ-yɛbɛboa wo ama battery no ne application no ahyia.
