Lithium LiFePO4 BMS 40A Pulse Current 800-1000A 5seconds for Car Start
China Lithium LiFePO4 BMS 40A Pulse Current 800-1000A 5seconds for Car Start, Find details about China BMS 10s 15A, Circuit Board 18650 Battery from Lithium LiFePO4 BMS 40A Pulse Current 800-1000A 5seconds for Car Start
Product description:
BMS 4S-10S 35A li ion Lipo Lifepo4 battery pcm for CAR START
About the battery BMS
Function: Detect and protect the battery from over-charge ,over-dicharge, over-current short-circuit ,temperature detecting protection and auotmatically voltage balance function .with high end electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance , Flexible application ( it can be used for less series battery by leaving some connection pins at empty status ),full set of protection measures let it works well without any infulence from external unexpected accidents.
About your products,just tell us the relative voltage/ cells/ current A or equipment etc,we will help to recomment the most suitable products for you. or we design for you!
Product specification
| PCM Specifications For (7S) 25.9V Li-ion Battery Packs | |||
| LWS-10S200A-148(7S) | |||
| No. | Test item | Criterion | |
| 1 | Voltage | Charging voltage | DC:29.4V CC/CV |
| Balance voltage for single cell | 4.2±0.025V | ||
| Current | Balance current for single cell | 42±5mA | |
| Current consumption | ≤50μA | ||
| Maximal continuous charging current | 40A(adjustable) | ||
| Maximal pulse Discharging current | 800-1000A(5s) | ||
| 3 | Over charge Protection | Over charge detection voltage for single cell | 4.25±0.025V |
| Over charge detection delay time | 0.5S-1.5S | ||
| Over charge release voltage for single cell | 4.10±0.05V | ||
| 4 | Over discharge protection | Over discharge detection voltage for single cell | 2.5±0.08V |
| Over discharge detection delay time | 1.4S-2.0mS | ||
| Over discharge release voltage for single cell | 3.0±0.1V | ||
| 5 | Over current protection | Over current detection voltage | 0.2±0.025V |
| Over current detection current | <1000A | ||
| Detection delay time | 1s-3s | ||
| Release condition | cut load and recharge | ||
| 6 | Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-500us | ||
| Release condition | cut load and recharge | ||
| 7 | Resistance | Protection circuitry(MOSFET) | ≤20mΩ |
| 8 | Temp protection | charge and discharge temp proetection | 90±5ºC |
| charge and discharge temp recovery | 60±12.5ºC | ||
| 9 | Temperature | Operating Temperature Range | -40~+65ºC |
| Storage Temperature Range | -40~+125ºC | ||
| Temperature switch | 90ºC | ||
Packing and shipping
Certfications
Factory
FAQ
Q: How do I judge what material my battery is ?
A: Please take a look at the battery body.if the normal voltage of your battery shows as 3.2V,the battery will be
LiFePo4.If the normal voltage of your battery shows as 3.6V or 3.7V, the battery will be Li-ion or Li-polymer battery. you can also ask battery manufacturer the material of battery.
Q: Can I use this protection circuit board for my battery?
A: Can use this protection circuit board, or not?
There are 2 questions:How much cells in series is your battery pack?
The protection circuit board you need to buy must be same cells in series as your battery pack.
What material is your battery?
Only the LiFePo4 battery has different electric parameter from other battery, so if you need buy the protection circuit board for LiFePo4 battery , Please let us know firstly.
Q: Do we need cell balance or not?
A: The function of balance : Since battery is made of many pcs of cells in parallel and in series, the cells can't be
the same as no two people in the world is the same , so can only put in group with similar performance is not
consistent , which will lead to each cell voltage is not consistent as well after the completion of the charging if
without balance function
Q: Do you have Minimum Order Requirement (MOQ)?
A: No, We don't have MOQ, Different customer have different requirement ,We can provide various capacity and size as per your requirements,Also ODM / OEM is welcome.
Q: What is your term of payment?
A: PayPal, T/T, L/C,Western Union
More question can contact :
May Liu : Mob: +86 15225686625 Tel:0755-29407599 Fax:0755-29407499
Web: http://lws-pcm.en.made-in-china.com
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