OPTIMUM BATTERY CO.,LTD
OPTIMUM BATTERY CO.,LTD Top LiFePO4 Battery Manufacturer! China Sourcing Fair – Oct. 11-14, 2015(Booth 9B05)
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12V 300AH Rechargeable Solar Wheelchair Battery Chargers For Solar Systems
lithium batteries for solar systems 12v
1.long cycle life:up to 2000 recycles, 5-6 times of lead acid battery,4-5 times of Ni-MH battery/lead acid battery.
2.ultral-high safty:there is no danger even battery is misused.
3.light weight: one third of lead acid battey, two thirds of Ni-MH battery.
4.small volume:less than half of lead acid battery, smaller than Ni-MH battery.
5.low self-discharge rate:at state of 100 percent SOC and normal temperature, less than 5 percent per month.
6.good performance at high temperature:more than 80 percent capacity remaind after 2000 cycles at 25 degrees celsius.
7.environmental friendly:no heavy metals or toxic metal.
8.wide range of applications : Transportations (HEVs, EVs, e-bikes, e-scooters, e-golf carts, e-boats,e-skateboard), UPS, Inverters, solar-wind storage systems, telecom base stations, solar panels and etc.
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LiFePO4 Battery 12V 300AH Cell + PCM protection + 60A charger |
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| COMPARISON DATA AMONG VARIOUS LITHIUM BASE BATTERIES | |||||
| Cells | Safety | CYCLE LIFE | POWER WEIGHT DENSITY | LONG TERM COST | Temperature Range |
| LiFePO4 | The world's most secure battery, no explosion, no pollution, long life | Excellent Cycle life can be as long as over 2,000 cycle, best among all the listed groups. | Acceptable | Excellent Most economic |
Excellent (can be discharged at -45~ 70 Centigrade) |
| LiCoO2 | LiCoO2 is expensive, the actual capacity than its theoretical capacity of only (274mAh g-1) about 50%, lower utilization of cobalt; LiCoO2 cycle life has reached 500 | Acceptable Cycle life only up to 300~500 cycle. Not good for high C-rate discharge. | Good | High | Decayed beyond 55 ~ -20 Centigrade |
| LiMn2O4 | Have to handle with care, or it might explode or catch fire under collision or over-charged. | Unacceptable Cycle life only up to1 500~800 cycle, depending on the discharge C-rate. | Acceptable | Acceptable | High |
| Li(NiCo)O2 | Very unstable, must handle with extremely care, it might explode or catch fire under collision, over-charged, short circuit or when heat build-up. | Acceptable Cycle life can be 300~500 cycle. Not good for high C-rate discharge. | Good | High | Decayed extremely fast over 55~ -20 Centigrade |