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The JKBMS Smart BMS 4S-8S 200A 1A is a high-performance battery management system designed for Li-ion, LiFePO4, and LTO batteries. Featuring robust safety protections, active balancing, and Bluetooth plus RS485 connectivity, it enables real-time monitoring and control via a mobile app. Ideal for RVs, solar power, and UPS applications, it ensures extended battery life and reliable operation with easy installation and dedicated customer support.
| ASIN | B0D14FT2M5 |
| Best Sellers Rank | #184,050 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #828 in Cordless Tool Accessories |
| Brand | JKBMS |
| Color | JK BMS |
| Customer Reviews | 4.8 4.8 out of 5 stars (12) |
| Input Voltage | 24 Volts |
| Item Dimensions | 15.3 x 12.6 x 1.8 centimeters |
| Item Weight | 0.77 Pounds |
| Manufacturer | JKBMS |
| Mfr Part Number | B27028 |
| Model Number | JK-B1A8S20P |
| Output Voltage | 24 Volts |
| Plug Type | Micro USB |
| Unit Count | 1.0 Count |
O**C
This is used in my camper in a 12v system. It replaces a Daly BMS that I have never been happy with. With this BMS, I now am able to fully charge my battery, and in fact, I have probably 40% more battery power available. Second, the active balancing of this BMS is far superior. Third, the Daly BMS app always asked for permissions from my phone that I did not feel comfortable giving. This app has no such problems. In summary, Daly is prettier, but the JK functions much better. I wish I bought it a couple of years ago.
K**T
thank you
G**S
I'm not a professional and am still learning how to maneuver and use these types of products. However, this one has worked really well. I've only had a few mishaps recently and I've had it for months. Small error indications for over voltage that can be resolved easily with a small reset. I blame myself as well cause I barely clean these and there was quite a build up. So overall I would recommend 9/10.
K**A
Just installed in an SOK 12v 206 Ah that had a bms that stopped working. So happy with this device as setup was pretty quick and directions included would get you there if you have small print read ability but the online downloads are much better. Love the settings as parameters, chemistry and readability are very good but the push button switch makes it so easy to activate. I'm building a new 1200a 12 volt bank and will use more of this type but 100ah
D**D
Big fan of these BMS's. Works great. Easy to wire. Just not a big fan of these prices when it's half the cost on Aliexpress.
Trustpilot
2 months ago
3 weeks ago