3pcs DD30CRTA 3A 12V 1-1000AH Lead-Acid Battery Accumulator Storage Cell Charger Charging for UPS Car Solar Motorcycles Electric Vehicles
Specifications:
Power supply voltage : 15-28VDC(Recommended 16-25VDC)
Over Charge Voltage is 14.8V
Float Charge Voltage is 13.55V
Maximum charge current : 3A
Quiescent current: about 1.8mA
High PWM Switching Frequency:300KHz
Operating Ambient Temperature: -40℃ to +85℃
Size: 66 x 20x 12mm
Weight : 9g
Applications:
Car battery charging
Solar battery charging
Loadspeaker
Lead-Acid Battery Charger
Electric Bicycle Charger
UPS
Portable Industrial and Medical Equipment
Standalone Battery Chargers
Features:
Fixed Over-Charge Voltage
Overcurrent protection
Automatic Conditioning of Deeply Discharged Batteries
Automatic Recharge
Charger Indication
Battery Overvoltage Protection
Suitable for 1-10000AH 12V Lead-Acid Battery charger
1. The DD30CRTA is a PWM switch-mode battery charger controller for 12V lead-acid battery in a small package using few external components.
The DD30CRTA is specially designed for charging 12V lead-acid battery with trickle charge, constant current charge, over-charge and float charge mode.
In over-charge and float charge mode, the regulation voltage is internally set.
The constant charge current is programmable with a single sense resistor.
2. Deeply discharged batteries are automatically trickle charged at 17.5% of the programmed
constant charge current until the cell voltage exceeds 75% of the regulation voltage in
over-charge mode. The over-charge is terminated once the charging current drops to 38% of the
constant charge current, then DD30CRTA will enter float charge mode. A new charge cycle
automatically restarts if the battery voltage falls below 83.95% of the over-charge voltage in
float-charge mode. DD30CRTA will automatically enter sleep mode when input voltage is lower than battery voltage.
Other features include undervoltage lockout and indication, etc.
3. The Regulation Voltage in Over Voltage Mode and Float Charge Mode
The regulation voltage VOC at BAT pin in over charge mode is set at 14.8V(Typical) with ±1.5% accuracy.
In float charge mode, the regulation voltage VFLOAT at BAT pin is 91.57% of that in over charge mode, which is 13.55V(Typical).
Trickle Charge Mode At the beginning of a charge cycle, if the battery voltage is below 75%×VOC, the charger goes into trickle
charge mode with the charge current set at about 17.5% of the constant current.
4. End-of-Over Charge Current
When the battery voltage approaches the over-charge voltage, the charger goes into the over charge mode. In
over charge mode, the charge current start to decrease and when the charge current drops to 38% of constant
charge current, the charger goes into float-charge mode.
5. Float Charge Mode
After the over voltage charge is terminated, the charger goes into float charge mode. In float charge mode, the
battery voltage is regulated to 91.57%×VOC, namely 13.55V(Typical). Float charge mode can compensate for
the loss of battery power due to self-discharge or external loading.
6. Automatic Battery Recharge
In float mode, if both the battery and the input power supply (wall adapter) are present, a new charge cycle will
begin if the battery voltage drops below 83.95%×VOC due to self-discharge or external loading.
A new charge cycle can also be started manually by plugging off the input supply and reapplying it.
Package Included:
3 x 3A 12V 1-1000AH Lead-Acid Battery Charger
(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.
Shipping and Delivery Estimates
We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.
Note:
(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
(2) Business days do not include Saturday/Sunday and any public holidays.
(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
for more information please visit our Shipping Policy Page.
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Sizing & Fit Guide
Please be aware that most of our clothing is Juniors' sizing, which runs smaller than regular US / European Women sizing. Refer to the measurements chart for each individual product to determine the best size for you. Product specific size chart and information can be found in product description or in product picture gallery.
Our team does it's best to include accurate size details and measurement of each item in the product descriptions. If you have questions regarding sizing or any other information on a specific item, please email us at support@mrslm.com for specific details.
Find the best size
When comparing your measurements to those listed on the site, make sure to check if the fabric is stretchy or not. If it is, it can stretch an inch or more.
- Bust: Wrap the measuring tape loosely around the fullest part of your bust to ensure a comfortable fit.
- Waist: Measure the narrowest part of your natural waist, holding the measuring tape loose enough to fit comfortably.
- Hips: Drape the measuring tape around the widest part of your hips, resting the tape comfortably against your body.
- Length: For tops and dresses, measure from the top of your shoulder to the hem. For strapless dresses, measure from the highest part of the neckline to the hem. For pants and skirts, measure from the top of the waist to the hem.
- Sleeve: With your arm outstretched, measure from the base of your neck to the end of the sleeve hem to determine where the sleeve length will fall on you.
Size Chart
Dresses Size Chart
Dress Size Chart (Inch)
|
DRESSES SIZE IN INCHES |
||||
| SIZE | US / CAN | BUST | WAIST | HIPS |
| XS | 0 | 31"-32" | 24"-25" | 34"-35" |
| S | 2-4 | 33"-34" | 26"-27" | 36"-37" |
| M | 6-8 | 35"-36" | 28"-29" | 38"-39" |
| L | 10-12 | 37"-39" | 30"-32" | 40"-42" |
| XL | 14 | 40"-42" | 33"-35" | 43"-45" |
Dress Size Chart (cm)
|
DRESSES SIZE IN CM |
||||
| SIZE | US / CAN | BUST | WAIST | HIPS |
| XS | 0 | 78.7-81.2 | 60.9-63.5 | 86.3-88.9 |
| S | 2-4 | 83.8-86.3 | 66-68.5 | 91.4-93.9 |
| M | 6-8 | 88.9-91.4 | 71.1-73.6 | 96.5-99 |
| L | 10-12 | 93.9-99 | 76.2-81.2 | 101.6-106.6 |
| XL | 14 | 101.6-106.6 | 81.2-88.9 | 109.2-114.3 |
Tops Size Chart
Tops Size Chart (Inch)
|
TOPS SIZE IN INCHES |
|||
| SIZE | US / CAN | BUST | WAIST |
| XS | 0 | 31"-32" | 24"-25" |
| S | 2-4 | 33"-34" | 26"-27" |
| M | 6-8 | 35"-36" | 28"-29" |
| L | 10-12 | 37"-39" | 30"-32" |
| XL | 14 | 40"-42" | 33"-35" |
Tops Size Chart (cm)
|
TOPS SIZE IN CM |
|||
| SIZE | US / CAN | BUST | WAIST |
| XS | 0 | 78.7-81.2 | 60.9-63.5 |
| S | 2-4 | 83.8-86.3 | 66-68.5 |
| M | 6-8 | 88.9-91.4 | 71.1-73.6 |
| L | 10-12 | 93.9-99 | 76.2-81.2 |
| XL | 14 | 101.6-106.6 | 83.8-88.9 |
Bottoms Size Chart
Bottoms Size Chart (Inch)
|
BOTTOMS SIZE IN INCHES |
|||
| SIZE | US / CAN | WAIST | HIPS |
| XS | 0 | 24"-25" | 34"-35" |
| S | 2-4 | 26"-27" | 36"-37" |
| M | 6-8 | 28"-29" | 38"-39" |
| L | 10-12 | 30"-32" | 40"-42" |
| XL | 14 | 33"-35" | 43"-45" |
Bottoms Size Chart (cm)
|
BOTTOMS SIZE IN CM |
|||
| SIZE | US / CAN | WAIST | HIPS |
| XS | 0 | 60.9-63.5 | 86.3-88.9 |
| S | 2-4 | 66-68.5 | 91.4-93.9 |
| M | 6-8 | 71.1-73.6 | 96.4-93.9 |
| L | 10-12 | 76.2-81.2 | 101.6-106.6 |
| XL | 14 | 83.8-88.9 | 109.2-114.3 |
Denim Size Chart
Denim Size Chart (Inch)
|
DENIM SIZE IN INCHES |
||||
| WAIST SIZE | JUNIOR SIZING | WAIST | LOW WAIST | HIPS |
| 24 | 0 | 24"-25" | 26"-27" | 32"-33" |
| 25 | 1 | 25"-26" | 28"-29" | 33"-34" |
| 26 | 3 | 26"-27" | 30"-31" | 34"-35" |
| 27 | 5 | 27"-28" | 31"-32" | 35"-36" |
| 28 | 7 | 28"-29" | 32"-33" | 36"-37" |
| 29 | 9 | 29"-30" | 33"-34" | 37"-38" |
| 30 | 11 | 30"-31" | 34"-35" | 38"-39" |
| 31 | 13 | 31"-3" | 35"-36" | 39"-40" |
| 32 | 15 | 32"-33" | 36"-37" | 40"-41" |
Denim Size Chart (cm)
|
DENIM SIZE IN CM |
||||
| WAIST SIZE | JUNIOR SIZING | WAIST | LOW WAIST | HIPS |
| 24 | 0 | 60.9-63.5 | 66-68.5 | 81.2-83.8 |
| 25 | 1 | 63.5-66 | 71.1-73.6 | 83.8-86.3 |
| 26 | 3 | 66-68.5 | 76.2-78.7 | 86.3-88.9 |
| 27 | 5 | 68.5-71.1 | 78.7-81.2 | 88.9-91.4 |
| 28 | 7 | 71.1-73.6 | 81.2-83.8 | 91.4-93.9 |
| 29 | 9 | 73.6-76.2 | 83.8-86.3 | 93.9-96.5 |
| 30 | 11 | 76.2-78.7 | 86.3-88.9 | 96.5-99 |
| 31 | 13 | 78.7-81.2 | 88.9-91.4 | 99-101.6 |
| 32 | 15 | 81.2-83.8 | 91.4-93.9 | 101.6-104.1 |
Swimwear Size Chart
Swimwear Size Chart (Inch)
|
SWIMWEAR SIZE IN INCHES |
||||
| SIZE | US / CAN | BUST | WAIST | HIPS |
| XS | 0 | 31"-32" | 24"-25" | 33"-34" |
| S | 2 | 33"-34" | 26"-27" | 35"-37" |
| M | 4 | 35"-36" | 28"-29" | 37"-38" |
| L | 6 | 37"-39" | 30"-32" | 39"-41" |
| XL | 8 | 40"-42" | 33"-35" | 42"-44" |
Swimwear Size Chart (cm)
|
SWIMWEAR SIZE IN CM |
||||
| SIZE | US / CAN | BUST | WAIST | HIPS |
| XS | 0 | 78.7-81.2 | 60.9-63.5 | 83.8-86.3 |
| S | 2 | 83.8-86.3 | 66-68.5 | 88.9-93.9 |
| M | 4 | 88.9-91.4 | 71.1-73.6 | 93.9-96.5 |
| L | 6 | 93.9-99 | 76.2-81.2 | 99-104.1 |
| XL | 8 | 101.6-106.6 | 81.2-88.9 | 106.6-111.7 |
Shoes Size Chart
| US | EURO | UK | AUS | JAPAN | CHINA |
| 5 | 35-36 | 3 | 3.5 | 21.5 | 35 |
| 5.5 | 36 | 3.5 | 4 | 22 | 35.5 |
| 6 | 36-37 | 4 | 4.5 | 22.5 | 36 |
| 6.5 | 37 | 4.5 | 5 | 23 | 36.5 |
| 7 | 37-38 | 5 | 5.5 | 23.5 | 37 |
| 7.5 | 38 | 5.5 | 6 | 24 | 37.5 |
| 8 | 38-39 | 6 | 6.5 | 24.5 | 38 |
| 8.5 | 39 | 6.5 | 7 | 25 | 38.5 |
| 9 | 39-40 | 7 | 7.5 | 25.5 | 39 |
| 9.5 | 40 | 7.5 | 8 | 26 | 39.5 |
| 10 | 40-41 | 8 | 8.5 | 26.5 | 40 |
| 11 | 41-42 | 9 | 9.5 | 27.5 | 41 |
Attention: This guide provides general sizing information only, and fit can vary depending on style and brand. For more specific sizing information on the product, please refer to product description.
NOTE:
- All models are wearing size small in tops and dresses, and size 1, 3, or 5 in jeans depending on their body type.
- Most kalles jeans & dresses have some stretch, please refer to product description for fabric details.
- Most kalles bottoms have an inseam of 31-34” depending on the cut and style. Sizing may vary depending on cut and style.
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