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Item: 266993855799
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Type:BMS
eBay For 8* 18650 Battery Slot Case Charging Box Holder Case DIY Power Bank USB 5V 2A 9.78 USD 10.29 USD Free shipping 5% off For 6 Pcs 18650 Battery Case Fast Charging Box Holder 12W/22W DIY LCD Power Bank 4.34 USD 4.57 USD Free shipping 5% off DIY Battery Case Box Kit for Rechargeable 16Slot 18650 Li-ion Battery Power Bank 11.99 USD 12.62 USD Free shipping 5% off 8Slot LCD Smart Rechargeable Fast Battery Charger for AA/AAA/C/D Ni-MH/Ni-Cd USB 26.59 USD 27.99 USD Free shipping 5% off 4S 12V 100A Lifepo4 Smart BMS Battery Protection Board Common Port w/ Balance BT 60.0 USD Free shipping US – 1A 4S Smart Active Balancer Equalizer For LiFePo4/Li-ion/LTO Battery w/ BT 36.48 USD 38.4 USD Free shipping 5% off 4S 12V/8S 24V/16S 48V 100A-250A LiFePo4 Protector Smart BMS Balance Bluetooth US 61.71 USD 64.96 USD Free shipping 5% off AAA AA Battery Organizer with Power Tester Case Box Large Capacity LED Indicator 5.6 USD 5.89 USD Free shipping 5% off US Daly Smart BMS 3inch Touch Screen LCD Power Level Display Monitor Accessories 21.46 USD 22.59 USD Free shipping 5% off LifePo4 100A 200A 300A 390A 4S 12.8V BMS Battery Pack Protection Board w/Balance 23.75 USD 25.0 USD Free shipping 5% off Type-C 8 X 18650 Battery Case LCD Display Power Bank DIY Charger Box Cell Phone 6.12 USD 6.44 USD Free shipping 5% off 10* Insulation Epoxy Plate for 3.2V 280Ah 320Ah 310Ah 90Ah 12.8V Lifepo4 Battery 22.03 USD 23.19 USD Free shipping 5% off Features: Lithium Battery Safety Management : Cell Protection Cell voltage detection and protection Cell current measurement and protection Thermal Management Passive equilibrium Short-circuit protection Extreme low power consumption. The consumption of the whole device is less than 50uA. B-&P-wires Type:7 AWG Line, length:120mm Structure and selective components By adopting the Surface Mount Technology the circuit is compact structured in a reasonably arranged layout PCB use high anti-corrosion, high water resistance, high impedance ESD conformal Coating. Adopt top quality (A-level) protective integrated circuit IC, from the solution of Seiko of Japan. Adopt high voltage resistance, low inner resistance power Mos fet. The heat sink will greatly help cooling. Specifications: Features: Balanced at the same mouth Suitable for: scooters, electric vehicles, 18650 lithium battery packs, etc. Specification: 4S 12V 20A Material:metal Package includes: 1*4S 12V BMS 1*Cable FAQ： Q: How do I know what material OR type my battery is ? A: Please look the battery body,if the normal voltage of your battery shows 3.2V,the battery is LiFePo4.If the normal voltage of your battery shows 3.6V or 3.7V, the battery is Li-ion or Li-polymer battery, You can also ask battery manufacturer for the material of battery. Q: Is this BMS suit for my battery? A: This BMS suit your battery or not depends on below 2 points: How many series you cell is in your battery pack? The BMS you buy must be same series as your battery pack. What material your battery is? Only the LiFePo4 battery has different electric parameter from other battery, so if you need buy the BMS for LiFePo4, Please let us know firstly. Q: What is the Common port and Separate port? what is the difference? A: We take 13S 48V16A BMS as example: Common port 16A means your charge cathode and discharge cathode are connected in the same point end (our P-), charge cathode and discharge cathode are used in the common connection port, so the charge current and discharge current are same as 16A. Separate port is separately connected by charge cathode (our C-) and discharge cathode (our P-), so the charge current and discharge current are different, discharge current is 16A, charge current is 8A. Q: What is the balance function?Do we need cell balance or not? A: The working principle and function are as followings: When your one cell voltage was reached balance voltage(Li-ion 4.18V, LifePo4 3.6V), that cell balance start work, balance resistance starts discharge with 35mA, that cell was in both charging and discharging status, and other cells were not reached balance voltage(Li-ion 4.18V, Life Po43.6V), so they are only in charging status, when the fast cell voltage was reached overcharge voltage (Li-ion 4.25V, Life Po4 3.75V),BMS starts off power protection, all the cells are stop charging, this process will enable your battery charging in balance current, and your battery voltage are in balance status. However, if your cell voltage difference are in a big range, The equilibrium effect is almost zero,The solution is to replace cells with large voltage gaps. Q: The relationship between battery capacity(AH or mAH) and BMS current(A)? A:There is no direct relationship between battery capacity and BMS current, big capacity doesn’t mean big current, but rely on continue current, that is to say if your engine is powerful, you should choose high current of BMS, it is not relied on battery capacity. Q: What type of charger should i choose? A: Lithium battery must choose specific charger, don’t use charger for leadacid battery, for leadacid charger may have MOS with high pressure breakdown protection, which will not protect of BMS over charge. LiFePo4 battery charger voltage = number of battery strings X 3.6V, while Li-ion battery charger voltage = number of battery strings X 4.2V. Q: What current BMS should I choose ? A: Take 10S 36V as example: What current BMS you choose is depend on your E-bicycle motor power and current limitation of controller,eg.16A for 350W and below, 25A for 500W and below, 35A for 800W and below, 60A for 1000W and below, over 1200W are contact with our service specialist for suggestion, continue current shall be higher than current limitation in controller. 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: How to contact for BMS? A: Please send messages at below or E-mail us and we are always glad to help you with BM
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