12V 250ah LiFePO4 Battery Packs
|FOB Price:||US $1-10,000 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $1-10,000/ Piece|
|Transport Package:||1. PVC Film 2. SLA Case 3. Customized|
|Payment Terms:||T/T, Western Union|
- Model NO.: OPT-12250
- Usage: Car, UPS, Electric Power, Lighting, Electric Bicycle, Boat, Solar Storage
- Discharge Rate: Medium Discharge Rate
- Rechargeable: Chargeable
- Composed Type: 4s 50p
- Size: 522*269*220mm
- Working Temperature Range: -20--60degrees Celsius
- Certification: CE,UL,RoHS,Tlc,PSE
- Trademark: OPTIMUMNANO
- Origin: China Mainland(Guangdong)
- Type: LiFePO4
- Nominal Voltage: 12V
- Shape: Square Battery
- Capacity: 250ah
- Weight: Abou 39 Kg
- Standard Charge Current: 50A
- Warranty: 2years
- Long Life Cycle: More Than 2000 Cycles(1c)
- Specification: CE, UL, RoHS, SGS, TS/16949 and ISO9001-2008
- HS Code: 8507600090
1) Long cycle life: More than 2000 times (charge and discharge at 1C, 99% DOD).
2) High safety: No fire and explosion in overcharge test. The highest temperature <150° C.
3) Good charging and discharging performance.
(A)0.2C5A ≥ 100% (B)1C5A ≥ 99% ( C)2.5C5A ≥ 97%
4) High discharge rate up to 10C.
5) Environmental-friendly: All raw material of the batteries are environmental-friendly.
6) Wide working temperature range: -25° C to 60° C.
- - Application- -
1. Vehicles: Electric bicycle, golf car, electric wheelchair, electric scooter
2. Illuminate devices: Solar battery, miner lamp, solar street lamp, emergency light, electric torch, wind and solar system
3. Communication: Back-up electric supply, interphone
4. Power tools: Electric cropper, electric drill, electric saw, electric hammer, pump
5. Others: RC toy, small home appliance.
- - Service by us- -
1. Give you the specific battery pack within 24hours according to your requirements.
2. Professional: Professional technicians offer overall systematic service.
3. One-stop battery solution with battery cells, BMS, case and matching charger.
4. Beyond customer demand: To think more for customer, do better for customer and make customer more satisfied.
5. MOQ: 1 unit is ok for your first battery pack to be tested.
6. Warranty: 2years
7. Our solutions:
- - About Optimum Battery Co., Ltd. - -
1. The approved supplier of Universiade Shenzhen 2011, their 80% lithium battery offered by us.
2. As the professional and leading LiFePO4 battery manufacturer in China, we have a capacity of 1.25 MWh per day.
3. Established in 2001, Optimum Battery Co., Ltd is high-tech corporation with independent intellectual-property and core technologies, which is specialized in LiFePO4 and NI-ZN battery's R & D, production and management. Adjacent to Shenzhen Grand Industrial Park, and with an occupation about 20, 000 square meters, we have more than 1000 employees and over 50 senior engineers.
- - Why do you choose us? - -
1. Quick response to clients' enquiries within 24hrs
2. Tailor-made solution provided by our experienced team and professional engineers.
3. More than 12 years experience in producing battery products for various application.
4. Value quality and long-term cooperation to reach win-win relationship.
5. Quality System: ISO14001, ISO9001, TS16949, SGS
Certifications: UL, ETL, CE, RoHS, UN38.3, MSDS
- - Packing&shipping- -
It according to customer's need:
Carton or wooden case
1. PVC film
2. SLA case
3. Iron case or aluminum alloy case
Shipping: International express, by air, by sea.
Shipping to: Worldwide
Payments: T/T in advanced or Western union.
MOQ: 1 unit is ok for your first battery pack to be tested.
OEM orders are welcome!
And different voltage and capacity pack is workable!
Please tell us your requirements.
|Comparison between LiFePO4 and other batteries|
|Specific Surface Area(m2/g)||0.4~0.6||0.2~0.4||0.4~0.8||12~20|
|Energy Density (mAh/g)||135~140||155~165||100~115||130~160|
|Discharge Plateau (V)||3.6||3.5||3.7||3.2|
|Cycle Life||≥300 cycles||≥800 cycles||≥500 cycles||≥2000 cycles|
|Environment Friendly||Co contained||Co, Ni contained||Micro toxicity||Innocuity|
|Safety Performance||Bad||Normal||Good||Never catch fire or explode under extreme condition , safest|