9 Cells Dell Latitude D531 D531n D820 D830 Precision M65 M4300 Series Replacement Laptop Notebook Battery 11.1V 7800mAh

Factory Code:

DELL D820

Part Numbers:

312-0393, 312-0394, 312-0401,
 312-0402, 312-0538, 451-10308, 
451-10309, 451-10326, 451-10327, 
CF623, CF704, CF711, DF192, DF230, 
DF249, FF231, FF232, MM165, XD735, 
XD736, XD739, YD623, YD624, YD626

Fit Models:

 DELL Latitude D531, Latitude D531N,
 Latitude D820, Latitude D830, Precision M65,
 Precision M4300 Mobile Workstation Laptop Battery

Voltage:

10.8V / 11.1V

Capacity:

7800mAh

Dimensions:

207.60 x 28.10 x 19.80 mm

Color:

 Grey

Weight:

Type:

Product Features

• 18-month manufacturer warranty / 30-day money back / 100% customer satisfaction guarantee.
• #1 DELL D830 battery life in industry. 650-800 full charges / discharges. 20%+ more than average!
• Brand new DELL D830 battery. No refurbished parts inside.
• Grade A+ cells made in Japan or Samsung, Korea.
• 66% off suggested retail price (on average). Durable DELL D830 battery at the lowest price.
• Average run-time: 2.5-8 hours (depending on battery capacity). Recharge time :1.5-2.5 hours.
• Exceeds original design specifications. Replacement battery of the highest quality on the market.
• No memory effect and environment friendly.
• Strict DELL D830 battery circuit management. Built-in battery protection circuit.
• Certification: CE, FCC, ISO9001, ISO9002, ROHS, UL.

Company Profile

LaptopBatteryLife.com is a professional manufacturer of replacement laptop battery with a wide selection of models compatible with major laptop brands. A complete set of manufacturing and testing facilities, including Molding & Injection Center, COB Testing, Fully-Automatic SMT, Half-Finished Products Learning and Aging Test, Finished Products Fitness QC etc., ensures us to fulfill the fast-rising market demands with the best quality of products. We have been focusing on being a professional supplier for a full range of high-quality laptop batteries in the world market. Our products are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. Our state-of-the-art PCB design adds huge value to the product stability, safety and performance, which makes us the leader in replacement laptop battery market.

Our company is ISO9001 certified and all of our products have passed CE certification. We believe that necessary quality certifications could bring our customers more confidence in buying our laptop battery products.

The faith of our production and R&D team is to pay endless efforts on quality. The Incoming Quality Control department keeps close eyes on raw materials and components inspections to screen materials of nonconformity. In order to achieve consistent manufacturing quality, particularly in mass production phases, proper training is a must. Our Quality Assurance department ensures that our manufacturing process is always in compliance with both industrial and international standards.

Since our sales volume has been increasing stably due to good quality and stability, our cost has become lower than our competitors, which makes us more competitive in providing cheap laptop batteries of the highest quality to our customers.