$159.95
Availability: Out Of Stock
Sku: SKR-U800


Optimized operating software Ultimate 400W×2 features the AUTO function that set the feeding current during the process of charging or discharging. Especially for Lithium batteries, it can prevent overcharging which may lead to an explosion due to the user's fault. It can disconnect the circuit automatically and alert once detecting any malfunction. All the programs of this product were controlled through two way linkage and communication, to achieve the maximum safety and minimize the trouble. All the settings can be configured by users.
Internal independent lithium battery balancer Ultimate 400W×2 employs an individual-cell-voltage balancer. It isn't necessary to connect an external balance plug for balance charging.
Balancing individual cells battery discharging During the process of discharging, Ultimate 400W×2 can monitor and balance each cell of the battery individually. Error message will be indicated and the process will be terminated automatically if the voltage of any single one cell is abnormal.
Adaptable to various type of lithium battery Ultimate 400W×2 is adaptable to various types of lithium batteries, such as Li-Ion, LiPo and the new LiFe series of batteries.
Fast and storage mode of lithium battery Purposes to charge Lithium battery varies, fast charge reduce the duration of charging, whereas store state can control the final voltage of your battery, so as to store for a long time of the battery.
Maximum safety Delta-peak sensitivity: The automatic charge termination program based on the principle of the Delta-peak voltage detection. When the battery's voltage exceeds the threshold, the process will be terminated automatically.
Automatic charging current limit You can set up the upper limit of the charging current when charging your NiCd or NiMH battery; it is useful for the NiMH battery of low impedance and capacity in the 'AUTO' charging mode.
Capacity limit The charging capacity is always calculated as the charging current multiplied by time. If the charging capacity exceeds the limit, the process will be terminated automatically when you set the maximum value.
Temperature threshold The batteries internal chemical reaction will cause the temperature of the battery to rise. If the temperature limit is reached, the process will be terminated. This function is available by connecting temperature probe, which is included in the package.
Processing time limit: You can also limit the maximum process time to avoid any possible defect.
Data store/load For user convenience, it can store maximum 10 data of different batteries. You can establish the data program setting of the battery to charge or discharge. These data can be called back at any time you need and the process can be executed without program setting.
Cyclic charging/discharging 1 to 5 cyclic and continuous process of charge>discharge or discharge>charge is operable for battery refreshing and balancing to stimulate the batteries activity.

Specifications:
Operating voltage range: DC 12.0-18.0
Volt Circuit power:
Max. Charge power: 2x400Watts
Max. Discharge power: 2x25Watts
Charge current range: 0.1-20.0A
Discharge current range: 0.1-5.0A
Current drain for balancing: Li-Po/Ion/Fe: 300mA/cell Li-ion/Fe/Polymer cell count: 1-6cells NiCd/NiMH battery cell count: 1-15cells Pb battery voltage: 2-20V

Orders are shipped from Columbus, the capital city of Ohio, USA.

An order placed before 2:00pm Eastern Standard Time will be shipped the same working day.

We ship on Monday-Friday by US postal service (USPS) and UPS, and Saturday morning by USPS if a local post office is open. Any order placed on Saturday morning may or may not be shipped the same day. Orders placed on Sunday and US holidays will be shipped the next working day.

Domestic:

Retail orders above $80 may be eligible for free shipping, including contiguous United States, Alaska, Guam, Hawaii, Puerto Rico, and APO addresses. We will use either USPS or UPS that most packages can be delivered in 3-5 working days, but not guaranteed. However, for packages contain large and heavy items, such as power supply, we may use parcel post service or UPS Surepost that may take up to 7 working days to be delivered.

USPS First Class Mail and Priority Mail, Express Mail, and UPS services can be used for domestic addresses. Tracking number and delivery confirmation will be provided to the customer when they are available. If you have not received a tracking information E-mail, please log into your account and click the "view order" link, then click "Track your order" link to find out the tracking number and ship method.

USPS Priority Mail is typically delivered in 3 working days. But very occasionally a priority mail package may be delayed for several days in the mailing system. If delivery time is extremely critical to your order, we would recommend Priority Mail Express or other couriers.

Domestic First Class Mail is only 1-2 days slower than Priority Mail in delivery. We suggest domestic customers choose First Class Mail for an order under 15 oz to save shipping cost.

Real shipping cost is calculated according to package weight and distance, and can be found in the checkout page after delivery address is specified in the fields.

Any order of $200 and above requires addressee's signature confirmation upon receipt of the package. Please contact us in advance or leave a comment in the message box if you want to waive signature confirmation.

We always check the legality of potential fraudulent orders. This procedure may lead to 1-2 working days delay in shipping in some rare cases.

We do not ship products to shipping forwarding companies. Any order shows this kind of address will be cancelled and refunded without notification.

International:

DHL, DHL Express, US Postal Service (USPS) First Class Mail, Priority Mail, and Express Mail (EMS), and UPS services can be selected for international addresses. Shipping cost is calculated according to package weight and distance, and can be found in the check out process. A package usually takes around 7-10 days to be delivered, or occasionally up to 45 days depending on the processing speed in your country, especially in some countries such as Brazil and Russia.

USPS First Class Mail is a budget shipping method. As soon as a First Class Mail package left USPS Chicago hub there will be no tracking information available. If you need detailed tracking information and timely delivery please do not use this shipping method.

Presently we cannot ship lithium batteries internationally by US Post Service or any other air shipping method. Please select UPS Ground if your order contains LiPo or LiFe battery.

We do not ship products to shipping forwarding companies. Any order shows this kind of address will be cancelled and refunded without notification.

Sky RC Ultimate Duo 400WX2 800W 20A Balance Charger

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