Basic Info.
Packaging & Delivery
To be negotiated ( > 6 Pieces)
Product Description
| Product Feature and Application a. Battery management circuit board for 4S LiFePO4 battery pack. b. BMS/PCB/PCM applies for 4 cells LiFePO4 battery pack. c. To prevent the battery packs from overcharge, over discharge, over current, over temperature, short circuit, passive balance to balancing each cell's voltage and current. d. The Max working current: 40A f. Compatible with both LiFePO4 cells. (could be adjustable to Li-ion) f. It is suitable for the following products: Electric Vehicle battery packs, 4S- 10S starter battery pack, E-Scooter battery packs and any products. |
| Mode | LWS-10S200A-493 |
| PCM Size | L133*W93*T12.5 mm |
| battery series | 4S-10S Available |
| working current | 20A-40A Available |
| Usage(Cell Type) | Li-ion battery packs (3.7V/cell) LiFePO4 battery packs (3.2V/cell) |
| Application | Ebike, Solar products, etc |
| Sample | available |
| Electric Switch, Temperature Switch, Passive Balance, Active Balance, 5V output, NTC,bluetooth UART/BT/RS485/CAN communication/LCD dispay and etc., if you need any above accessories, please must to contact our sales fisrt. All items could be customized to your requirements,if without any requests after order placed, we will produce as specification in details page. |
| Introduction LWS-10S200A-493 for Li-ion battery pack of 4 cells in series is a battery protection solution of LWS's, can support a load with very stable, in addition that the continuous working current may be up to 40A. Features .Provides protection for 4 cells in series .Provides protections in charging and discharging .Processes the balance between cells smartly, the current of it can be set freely by external components. .Deals with over-current and short-circuit protection with circuit itself .Protect an electrical circuit from damage caused by over current/ over load or short circuit Views .Pictures are for reference only, subject to our existing products. |
| Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD | |||
| PCM Specifications For 14.8V (4S) Li-ion Battery Packs | |||
| Model: LWS-10S200A-493 (4S) for car start-up battery pack | |||
| No | Test item | Criterion | |
| 1 | Voltage | Charging voltage | DC:16.8V CC/CV |
| Balance voltage for single cell | 4.2±0.025V | ||
| 2 | Current | Balance current for single cell | 42±5mA |
| Current consumption -sigle cell | ≤50μA | ||
| Max continuous charge/discharge current for car st | ≤35A | ||
| Pulse current | 500A-800A(5S) | ||
| 3 | Over charge Protection | Over charge detection voltage for single cell | 4.25±0.025V |
| Over charge detection delay time | 0.7S-1.3S | ||
| Over charge release voltage for single cell | 4.15±0.005V | ||
| 4 | Over discharge protection | Over discharge detection voltage for single cell | 2.8±0.0625V |
| Over discharge detection delay time | 500mS-1500mS | ||
| Over discharge release voltage for single cell | 3.0±0.075V | ||
| 5 | Over current protection | Over current detection voltage | 3.0±0.075V |
| Over current detection current | |||
| Detection delay time | |||
| Release condition | |||
| 6 | Short protection | Short circuit current | |
| protection delay time | |||
| Release condition | |||
| 7 | Resistance | Protection circuitry(MOSFET) | ≤20mΩ |
| 8 | Temperature protection | Charging and discharge Temperature protection | 90±5ºC |
| Charging and discharge Temperature Release | 65±12.5ºC | ||
| 9 | Temperature | Operating Temperature Range | -20~+75ºC |
| Storage Temperature Range | -20~+85ºC | ||
| Temperature switch | 90ºC | ||
Connection
Size: L133* W93* T12.5mm
| Wiring B-, B1, B2... B+, output charge and discharge negative electrode connected to P-, charge and discharge positive electrode connected to the total positive electrode |
| BMS Application: Power type,energy storage type lithium battery pack and any electrical installations Dirt collector/ Electric tool/ Sweeping robot / Electric bicycle / electric scooter / Off-Road Vehicle / forklift / electric tricycle / Car starting / Golf cart / Robot / Drone / Medical equipment / Solar street light / Home energy storage etc .. BMS:1S-35S 0.5A-350A |
| FAQ Q: How can we guarantee quality? |