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Free Maintenance 12V 50ah Lithium Ion Battery for Back-up System

50, 000 PCS/Week
Place of Origin: 
Guangdong Province, China
Supply Ability: 
50, 000 PCS/Week

Basic Info

Model No.:  OPT-012-050

Product Description

Model NO.: OPT-012-050 Usage: Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat Discharge Rate: High Discharge Rate Electrolyte: Lithium Iron Phosphote Rechargeable: Chargeable Cell Model: 32650 3.2V 5ah Package: Plastic Case or PVC Film Trademark: OptimumNano Origin: Guangdong Province, China Type: Lithium-Ion Batteries Nominal Voltage: 12V Shape: Cylindrical Battery Installation: Packaged Components: LiFePO4 Battery Model: Lithium Battery 12V 50ah Weight: About 7 Kg Specification: CE, UL, ROHS, SGS, TS/16949 and ISO9001-2008 HS Code: 8507600090 Free Maintenance 12v 50ah Lithium ion battery for Back-Up System

&Normal performance

1. Components: LiFePO4--lithium Iron Phosphate
2. Composed Type: 4series- 2parallels connection
3. Rated voltage: 12.8V
4. Rated capacity: 50 ah
5. Max. Charge Voltage: 14.6 V
6. Cut-off Voltage: 10V
7. Standard Charge Current: 10 A
8. Standard Charging Time: 5 h
9. Size: 197*165*169mm or customized
10. Weight: About 7 kg
11. Package: Plastic case or PVC film
12. Working temperature range: -20--60degrees Celsius


1. Safety: Currently the safest lithium battery, CE UL approved, none fire, none explosive.
2. Environment friendly, no toxic material contained.
3. Powerful: HP battery can discharge in 15c-20c.
4. Long life cycle, more than 2000 cycle within 1c discharge.
5. No memory effect: Can be recharged any time, no reduction of capacity.
6. Broad operation temperature -20---60 centigrade.
7. Small in size and light in weight.: Compare with our battery, 1/2 size of Lead Acid Battery, 70% size of Ni-MH Ni-Cd Battery. 1/2 weight of lead acid battery.


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.

&Packaging & Delivery

Packing case: 1. PVC film 2. Epoxy board+ PVC film 3. SLA case 4. Customized
Delivery Detail: 15-25days

Warranty: 1years

&Shipping & Payments

Shipping and handling:
Item location: Shenzhen, Guangdong, China (Mainland)
Shipping to: Worldwide

Payments: T/T in advanced

Comparison between LiFePO4 and Other batteries                   
Technical Parameter  liCoO2  LiNiCoMnO2  LiMn2O4  LiFePO4 
Tap Density ( g/cm3 )   2.8 ~ 3.0  2.0 ~ 2.3  2.2 ~ 2.4  1.0 ~ 1.4 
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 

Contact us if you need more details on Free Maintenance Lithium Battery. We are ready to answer your questions on packaging, logistics, certification or any other aspects about 12V 50ah Lithium Battery、12V Lithium Ion Battery. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : LiFePO4 For UPS/Back-Up/Telecom

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