Lead Acid Lithium Battery Capacity Indicator 12V 24V 36V 48V 60V 72 Display LCD Voltmeter Temperature Meter Tester JS C35

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Product Overview


Li-ion Lifepo4 Lead acid Battery Capacity Indicator 12V 24V 36V 48V 60V 72 Display LCD Voltmeter Temperature Meter Tester JS-C35

Products Description

1. Patented product, using neutral production packaging, the surface is dust-proof and waterproof, with full protection of the back cover
2. One-piece display port, anti-puncture sunscreen, soft button feels good experience
3. Color LCD material, clear light display, soft night display
4. Custom battery type, suitable for lead acid, lithium battery, lifepo4, nickel hydrogen battery
5. Display percentage remaining power, voltage, temperature value (degrees Celsius, Fahrenheit can be set)
6.10-100V wide voltage input, reverse connection protection
7. Custom delay 10-120 seconds sleep
8. Shutdown sleep low power consumption
9. Simple installation, self-contained buckle free screw
10. Low pressure alarm (optional built-in buzzer)
11. Over temperature alarm (shared built-in buzzer optional)
12. Battery temperature real-time detection (optional external temperature probe)
13. Open programming mode (all batches of customer demand parameters factory settings, direct use)

Product size 61.5*33.5*13.5 mmMounting size 58.5*28.5 mm
Display size 33*16.5 mm
Product weight 20/21/22g
Operating voltage 10V to 100 V
Operating power 8/10 mA
backlight on Delay time adjustable 10~120S ( seconds adjustable) Sleep power consumption 15/20 uA 20V Voltage accuracy ±0.1 / ±0.5 % Temperature accuracy ±0.5 / ±1 °C
Built-in standard (external 30CM probe option)
Temperature range -19 ~ 80 °C Celsius Temperature range -2.2~ 179 °F Fahrenheit
Over temperature alarm adjustable 0 ~ 79°C (1 second interval after over temperature) buzzer temperature value flashing Over temperature alarm adjustable 0 ~179 °F (1 second interval after over temperature buzzer) temperature value flashing Low-voltage alarm adjustable 10.5~ 60.0 V (1 second interval after low voltage buzzer) voltage value flashing Buzzer volume 60 /70/ 80 db Built-in buzzer option Working temperature -10 ~65 °C

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About us

Hunan XiaoLithium Technology Limited was located in Changsha City. We focus on designing, researching and developing,
manufacturing and selling Battery Management System, Power Equalizer, Spot Welders,Battery Charger and Accessories Of Battery Pack, etc.

These products are widely used on Electric Bikes, Electric Tricycle, Electric Scooter, Sweeper, Logistics Sorting
Robot, Sightseeing Vehicle,Electric Vehicle, Portable Outdoor Power Supply, Uninterruptible Power Supply, Solar Energy Storage, Peak Shaving Power Station with Energy Storage, etc.

Our company promises: The product quality is safe and reliable,Reasonable price, Fast delivery time and satisfactory after-sales service. Welcome to contact with us!


1.What is the common port and separate port? what is the difference?
We take 13S48V16A BMS as an 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 connectionport, so the charge current and discharge current are the same 16A. while the separate port is separately connected by charge cathode (C-) and discharge cathode (P-), so the charge current and discharge current are different, discharge current 16A, charge current 8A.

2.What is the balance function?
The working principle and function are as followings, when your one cell voltage is upto alarm voltage(Li-ion upto 4.18V, Life Po4 upto (3.6V), then the cell Balance starts to work, balance resistance starts discharge with 35ma(when balance discharge starts to work, BMS will starts a little heat up, which is the normal reflection), the cell is in both charging and discharging status, and others which are not reached to alarm voltage(Li-ion 4.18V, Life Po43.6V)are only in charging status, no discharging, when the fast cell voltage is reached to alarm voltage(Li-ion 4.25V, Life Po43.75V)BMS starts off power protection, all the other cells are all in stop of charging, this process will enable your battery charging in balance current, and your battery voltage are in balance status, but when your cell voltage difference are in a big range, then balance can not be functionning well

3.The relationship between Battery capacity and BMS current?
There is no direct relationship between Battery capacity and BMS current, big capacity doesn`t mean a big battery, but rely on continue current, that is to say if your engine is powerful, your should choose high current of BMS, it is not relied on battery capacity.

4. What type of charger should I choose?
Lithium battery must choose specific charger, do not use Charger for Leadacid battery, for leadacid charger may have MOS with high pressure breakdown protection, which will not protect of BMS over charge.Life Po4 battery charger voltage=battery string No.X3.6V, while Li-ion battery charger voltage=Battery string No.X4.2V.

5. What current BMS should I choose ?
Take 10S36V as an example: what current BMS you choose is relied on your E-bicycle Motor power and current limitation of controller. eg., choose 16A for below 350W, 25A for below500W, 35A for below 800W, 60A for Below 1000W, higher than 1200W are contact with our service specialist for suggestions, one inall, continue current shall be higher than current limitation in Controller.

6. Whether my BMS damaged?
if you want to judge if the BMS is damaged, please take the folowing steps, to test if each cell voltage is the same with voltmeter? if the cell voltage difference is over 0.1V, the fault is displayed that it cannot run far, no power supply at thestart range, short charge time, all these issues are almost caused by battery cells, if BMS damaged is displyed as no charge, no discharge, no discharge while the battery has voltage.

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