Kev kuaj xyuas ntawm CNPowerbanks.com
1. Tag nrho cov khoom siv raw thiab accessories yuav tsum tau ntsuam xyuas los yog ntsuam xyuas mus khoom chaw unqualified txhua yam khoom uas tam sim ntawd tso tseg.
2. Peb muab Tswjhwm kev kuaj thiab soj lus rau txhua yam khoom kab
3. Cov neeg ua manufacture no uas cov siv rooj ntaub ntawv thawj ob peb khoom txhua hnub yuav tau xyuas ua ntej los ntawm tus neeg ua hauj lwm raws li txoj cai, ces yog peb neeg soj ntsuam tas hnub QC. Pawg ntau lawm yuav pib muaj tsuas yog cov khoom uas tau raug kuaj thiab ntxiv soj ntsuam.
4. Thaum pawg ntau lawm, personel yuav tsis tseg xyuas kom cov khoom randomized no los soj ntsuam.
5. CNPowerbanks.com QC cov pab neeg ua ib txhij soj ntsuam thiab qhov yog seeb tshawb xyuas ua ntej lawv yuav tau tawm mus rau cov theem tom ntej ntawm ntau lawm
6. Khoom lawm yuav soj ntsuam kom lawv tau raws li peb txog qib uas zoo
7. Kev tawm tswv yim li cas rau lawv yog ceev thiab npaum,ces cov ntsiab yog kis rau tus Technical thiab QC tuam tsev uas tso cai rau tsim yoo txhim kho thiab corrections yuav tshwm sim sai sai.
Peb zog nyiaj Test Standards
Kev tshuaj ntsuam txog cov yam ntxwv:
| yam khoom |
txoj kev kuaj no |
Yuav tsum |
| Them/Cut-off voltage |
4.20±0.01V |
|
| Paug/Cut-off voltage |
3.00±0.01V |
|
| Txheem xwb |
Them cov roj teeb ntawm qhov chaw uas 0.2C mus cuag 4.2V. Kom lub roj teeb thaum tsis tu ncua 4.2V voltage mus txog ces , Cov them tam sim no txo kom 0.01C. |
Time≤8h them |
| Pas txheem |
Tom qab tus txheem them,so kom txaus rau 1 raws xuab moos ces, mus 3.0V 0.2 c |
|
| Tus nqi kws |
Tom qab tus txheem them,so kom txaus rau 1 raws xuab moos ces, mus 3.0V 0.5 C |
Time≥102Min ntxub |
| Cov yam ntxwv kub |
Siab them, muab cia rau hauv (55±2)℃ rau 2 teev, ces raws kom 3.0V @0. 5 C |
Ntxub sij hawm ≥102 Min , Tsis muaj transform, tsis tawg,tsis muaj hluav taws,tsis to |
| Cov yam ntxwv uas tsis muaj kev kub |
Daim ntawv qhia txog cov coupons qhov, muab cia rau hauv (-10±2)℃ rau 16-24 teev, ces raws kom 3.0V @0. 2 C |
Ntxub sij hawm ≥255 Min, Tsis muaj transform, tsis tawg,tsis muaj hluav taws,tsis to |
| Peev xwm ceev |
Siab them, muab cia rau hauv (20±2)℃ rau 28 hnub, ces raws rau 3.0V 0.2 C |
Ntxub sij hawm ≥255 Min,Tsis muaj transform, tsis tawg,tsis muaj hluav taws,tsis to |
| Nws lub neej 25℃ |
Them cov roj teeb @0. 5 C mus cuag 4.2V. Ces kom tus, roj teeb thaum tsis tu ncua 4.2V voltage mus txog rau qhov them ziag no, zuj zus lawm los 0.01C. So kom txaus rau 10 min. raws 3.0V 0.5 C thiab so kom txaus rau 10 min. Mus ntxiv xwb/paug mus kom txog rau thaum muaj paug tau tsawg dua 80% kev peev xwm cov movies |
Nws lub neej ≥500 |
| Cia |
Them cov roj teeb rau 40% ~ 65% ntawm nws cov movies peev xwm siv, txheem them hom, ces cia nws nyob ib 20℃±5℃, vaum 45% ~ 85% cov chav rau 12 lub hli. Raws nws 0.2C mus txog rau voltage coj mus 3.0V |
Raws lub sij hawm ≥240Min |
Cov yam ntxwv xwb:
| Yam khoom |
Txoj kev xeem |
Yuav tsum |
| Kub & kuaj av noo |
Daim ntawv qhia txog cov coupons qhov, muab nws 40±2℃ muaj 90% ~ 95RH % rau 48 teev. Ces muab cov roj teeb sov li chav nyob 20±2℃ rau 2 teev. Ces raws rau 3.0V 0.5 C |
Ntxub sij hawm ≥72 Min tsis transform, Tsis muaj yaig, tsis tawg,tsis muaj hluav taws,tsis to |
| Kev co |
Tom qab them txheem,tas lub roj teeb rau rooj kev co,ces nyuam kev co xeem rau 30 feeb ib axis ntawm XYZ co. |
Tsis tawg,tsis muaj hluav taws, tsis to. Voltage≥3.7V. |
| Xeem poob siab |
Tom qab them txheem,ntsuam xyuas tus mob Acceleration :100lub sij hawm sib tsoo m/s2 ib min: 40-80 lub sij hawm, Pulse ntev txog lub sij hawm : 16MS , Zaug poob siab : 1000±10times |
Tsis tawg, tsis muaj hluav taws, tsis to. Voltage≥3.7V. |
| Tee Test |
Tom qab them txheem , tee roj teeb ntawm 100cm, qhov siab mus rau lub ib hli 18 ~ 20mm tuab hardwood. Ob tog uas X,Y,Z qhia txhua (tag nrho 6 lub sij hawm) Tom qab qhov kev kuaj ntawd nco, raws lub roj teeb 0.5 C 3.0V mam li them nws 0.5 C kom tau tas nrho. Yuav kuaj li 3 times lub roj teeb yuav tsum tau kom mus zoo raws cov phiaj ib zaug |
Ntxub lub sij hawm ≥102 tsis Min yaig, tsis tawg,tsis muaj hluav taws,tsis to |
Kev kawm ntawv kev nyab xeeb
| Overcharge tiv no |
Tom qab them txheem. Thov ib 7.4V ruaj Voltage thiab 1 C ruaj khov tam sim no rau cov roj teeb rau 8 teev |
Tsis muaj hluav taws, tsis tawg |
| Li cov kws kuaj kev tiv thaiv no |
Thaum pom rau lub cut-off voltage,lub roj teeb yuav tsum tau nyuam short-circuit yuam nrog ib load kuj tsawg dua ntawm 30Ω rau 24 teev |
Tsis muaj hluav taws, tsis tawg |
| Luv circuiting tiv no |
Tom qab them txheem,lub roj teeb yuav tsum tau nyuam short-circuit yuam nrog tus hlau kuj tsawg dua ntawm 100mΩ rau 1 teev. Txiav tawm ntawm cov Circuit Court, Kom lub roj teeb uas muaj qhov chaw nyob 1.0C rau 5s |
Tsis muaj hluav taws, tsis tawg, Voltage≥3.7V |
| Tej yam yuav kuaj |
Tom qab txheem xwb,Muab cov roj teeb rau ib phab. A 9.1 kg tsab xov xwm no yog yuav nqis rau ntawm ib qhov siab ntawm 100cm mus rau cov pawg. Lub roj teeb muaj sijhawm los mus txia |
Tsis muaj hluav taws, tsis tawg |
| Cua sov Test |
Tom qab them txheem,ib lub roj teeb yog muab ncu rhaub cub convection los circulating cua cub. Qhov kub ntawm lub cub yog yuav tau tsa ceg tom ib tus nqi uas 5±2℃/min kom kub txog 130±2℃ thiab lub xeem rau 30 feeb. |
Tsis muaj hluav taws, tsis tawg |
| Lawm xwb |
Tom qab them txheem, muab cov roj teeb rau hauv fume hood. Ntxiv qhov voltage & tam sim no 4.8V 3 C mus tus roj teeb. Them nws kom cov roj teeb txog 4.8V, them tam sim no decreases mus yuav luag 0A. Sau tus nkhaus kub ntawm cov roj teeb. Thaum twg lub roj teeb kub decreases mus txog sab 10℃ tom qab xeeb lub ncov kub. Qhov kev kuaj ntawd xaus. Kuaj li no tib yam tsis PCM |
Tsis muaj hluav taws, tsis tawg |
| Tsis ntev no circuiting |
Tom qab them txheem, muab cov roj teeb rau hauv fume hood. Txuas tus ncej Negative thiab ncej Positive ncaj nraim. (cov hlau ntawd kuj yuav tsum tau hauv qab no 50mΩ. Sau lub roj teeb kub nkhaus thaum qhov kev kuaj ntawd. Thaum twg lub roj teeb kub decreases mus txog sab 10℃ tom qab xeeb lub ncov kub. Qhov kev kuaj ntawd xaus. Kuaj li no tib yam tsis PCM |
Kev kawm ntawv kev nyab xeeb
Ua tus thawj los saib "Tablet crane txawb xov tooj txawb hwj huam sij hawm thaum 10400mah”