−48%Jikong JK BMS 4S 5S 6S 7S 8S 200A Smart BMS 2A Active Balance Energy Transfer Built-in Bluetooth APP Support LCD 12V 24V 3S BMS
by Minerals · Electronics
5 verified reviews · We may earn a commission · Disclosure
Fair price · based on price history, ratings & popularity
- Popularity
- Popular
- Network
- aliexpress
- Prime
- —
- Region
- us
About this product
<div class="detailmodule_dynamic"><kse:widget data-widget-type="customText" id="1005000029756408" type="custom"></kse:widget></div><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="detailmodule_dynamic"></div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">Note</p><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">Due to this BMS is not properly compatible with Relay and Inverter, occasionally it warns "Current sensor abnormal" or the current is not accurate when the BMS connected to Relay or Inverter, please ignore it<br/>if you really care about it, please do not purchase, otherwise we will not accept any refund, Thanks!</p></div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">Description</p><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">This is an Active BMS, it supports 3S-8S of Li ion and 4S-8S of LiFePo4 <br/>200A continuous current, <br/>It also has 2A active equalization current<br/>It can set up the equalization voltage and the charge & discharge protection parameter through APP, <br/>It can display the single series of battery voltage<br/>After connected the BMS, please use the power supply which is 5v greater than battery voltage to activate it</p></div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">Product character</p><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">1.Active balance functionality, no need to lose the battery capacity to balance the voltage difference of sells, raise the battery usage efficiency for 95%<br/>2.It can be used on 4~8s li-ion/Cobalt acid lithium/Manganese acid lithium/Lithium iron battery packs<br/>3.Constant working current is 200A<br/>4.It has the protections of Over-charge/Over-discharge/Over-current and Short circuit etc.</p></div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">Working condition</p><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">Workable temperature: -20~70℃</p></div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">Notice: The 485 converter just for transfering the communication to be RS485, it can not be connected to PC directly, it needs to connect to another 485 module to connect to PC, The yellow wire is 485A , the white wire is 485B, the black wire is for GND and you don't have to connect the black wire, We will provide you the 485 protocol after bought the 485 converter, and we don't provide the software, if you are not the familiar with Serial Port Debugging Tool, please be careful when you want you purchase this product</p></div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">Balanced way: Active equalization<br/>Active equalization current:2A <br/> internal resistance:1.3mΩ<br/>Rated discharge current:200A<br/>Maximum discharge current:250A<br/>Overcurrent protection(Adjustable):10-200A<br/>Wiring method:common port<br/> Monomer voltage range: 1V-5V<br/>Voltage acquisition accuracy: ±5mV<br/>Battery cell Over-charge protection voltage :1.2V-4.35V(Adjustable)<br/>Battery cell Over-charge protection recovery voltage: 1.2V-4.35V(Adjustable)<br/>:2-120S (Adjustable)<br/>Battery cell Over-discharge protection voltage: 1.2V-4.35V(Adjustable)<br/>Battery cell Over-discharge protection recovery voltage : 1.2V-4.35V(Adjustable)</p></div><div class="detailmodule_text-image"><p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">Connection</p><div><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/Sd4d78f0da57c42b895b05bd51ec056fcO.jpg" slate-data-type="image"/><img style="margin-bottom:10px" class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/S006c274a2381465388f77e284219b298f.jpg" slate-data-type="image"/></div></div><div class="detailmodule_image"><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/Sc7c3a93f5dcf42d68a906673a6d65c52m.jpg" slate-data-type="image"/><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/Sd265baf077cc45f6ad918e8c9daf61b82.jpg" slate-data-type="image"/></div><div class="detailmodule_text-image"><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/H3332d70f4a424466a201dbe9fdebf05aC.jpg" slate-data-type="image"/><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/Hbc958c11a3e1423b991d4eb9f782e2bdT.jpg" slate-data-type="image"/></div><div class="detailmodule_text-image"><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/H3ee0fe2294e340a2b552c8e3aaf00692P.jpg" slate-data-type="image"/><img class="detail-desc-decorate-image" src="https://ae01.alicdn.com/kf/H0cfd110d6afd4c068a70fc3dd637d2a1g.jpg" slate-data-type="image"/></div><p><br/></p></div></div><br/>
Specifications
- Origin
- Mainland China
- Brand Name
- Minerals
- Electronic
- no
- PCBincluded
- No
- Model Number
- JK-B2A8S20P
- Certification
- NONE
- Package Width
- 5 cm
- Voltage range
- Low voltage non-USB (below 75V DC, below 50V AC)
- Accessory Type
- Battery Accessories
- Package Height
- 2 cm
- Package Length
- 5 cm
- Package Weight
- 0.600 kg
- Battery Included
- no
- Charger included
- N
- High-concerned chemical
- None
Our Data-Driven Analysis
Minerals holds a 4.2/5 rating from 5 verified buyer reviews in our Electronics category. This is a solid rating indicating the majority of buyers are satisfied with their purchase.
At $74.90, this represents a 48% discount (saving $69.14) from the typical price of $144.04. This is a significant price drop — historically, discounts this deep are time-limited.
Our proprietary Deal Score rates this a 5.7/10 based on price history, rating trends, review velocity, and category positioning. Fair value currently — consider waiting for a deeper discount if your timeline is flexible.
Compared to 8 similar products in Electronics, pricing is above the category average ($38.99).
Analysis generated from 5 verified reviews · Price data updated hourly · Methodology: how we analyze
Customer Ratings
This product holds a 4.2/5 average from 5 verified customer ratings on AliExpress. We surface the genuine retailer rating here so you can judge the deal at a glance — and we link straight to the source so you can read the real reviews yourself.
Read customer reviews on AliExpressRatings are aggregated from AliExpress and re-verified hourly. We may earn a commission if you buy through our link.
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Minerals
$74.90−48%