All your batteries.
One view.

Universal BMS monitor — connect any lithium battery pack over Bluetooth. Real-time voltage, current, SOC, temperatures, and cell-level data at a glance.

9:41
MultiBMS
4 connected
69% avg soc
Total Power 1.24 kW
Mode Parallel
Golf Cart JiKong
78%
51.8V
+12.4A
32°C
Forklift 1 JBD
65%
48.2V
-24.6A
38°C
Marine Bank Daly
92%
25.6V
+3.2A
28°C
RV House ANT
41%
12.8V
-8.1A
35°C
Dashboard
Scan
Settings

Everything you need to monitor your batteries

Packed with features designed for real-world battery monitoring.

Multi-Device

Connect unlimited BMS packs simultaneously. Monitor your entire battery bank from one screen.

Auto-Detect

9 BMS protocols auto-identified from a single BLE scan. No manual configuration needed.

Real-Time Data

Voltage, current, SOC, temperatures, cell voltages, and power — all updating live over Bluetooth.

Battery Groups

Combine packs into parallel or series banks. View aggregated stats for your entire system.

Cell Visualization

4 display modes — bars, heatmap, radial, and horizontal. See cell balance at a glance.

Smart Alerts

Configurable low-voltage and high-temp warnings with haptic feedback. Never miss a critical event.

Live History

Rolling 5-minute sparkline charts for voltage, current, SOC, and temperature trends.

Background Monitoring

Keep tracking when the app is in the background. Alerts still fire even with the screen off.

Works with your hardware

Scan once — MultiBMS identifies your BMS automatically over Bluetooth. No setup, no pairing codes.

JiKong (JK-BMS)

Popular for DIY & solar builds

JBD / Xiaoxiang

Widely used budget BMS

Daly BMS

Industrial-grade protection

ANT BMS

High-current applications

Seplos

Server rack batteries

PACE BMS

OEM & commercial packs

Victron

Premium marine & off-grid

SOK Battery

Drop-in LiFePO4 packs

More protocols added with every update

See it in action

Clean, data-rich screens designed for at-a-glance battery monitoring.

9:41
100%
MultiBMS
78 %
Voltage51.8V
Current+12.4A
Power642W
LiFePO4 Bank 1 JiKong
78%
Voltage51.8V
Current+12.4A
Temp32°C
Cells16S
Starter Battery Daly
Dashboard
Scan
Cells
Dashboard
9:41
100%
Scan for BMS
B

3 devices found

JK-B2A16S
JiKong -42 dBm
Connected
Daly-BMS-4S
Daly -68 dBm
Connect
ANT-24S-200A
ANT -81 dBm
Connect
Dashboard
Scan
Cells
BLE Scan
9:41
100%
LiFePO4 Bank 1
JiKong
78 %

Charging

Pack Voltage51.8V
Current+12.4A
Power642W
Cycles127
Capacity47.3 / 50.0 Ah

History (5 min)

Voltage51.8V
Current+12.4A
SOC78%
Temp32°C

Cell Voltages

16S Min 3.312V Max 3.320V Δ8mV

Dashboard
Scan
Cells
Pack Detail
9:41
100%
All Cells
MIN3.308V
MAX3.320V
DELTA12mV
CELLS16
3.32 3.31 3.30
312
1
315
2
320
3
318
4
310
5
320
6
316
7
308
8
319
9
317
10
314
11
320
12
318
13
312
14
319
15
316
16
LiFePO4 Bank 1 16S Δ8mV
C1 3.312
C2 3.315
C3 3.320
C4 3.318
C5 3.310
C6 3.320
C7 3.316
C8 3.308
C9 3.319
C10 3.317
C11 3.314
C12 3.320
C13 3.318
C14 3.312
C15 3.319
C16 3.316
Dashboard
Scan
Cells
Cell Voltages
9:41
100%
Van Battery Bank
75 %

Parallel | 3 packs

Total Voltage51.6V
Total Current+28.7A
Total Power1,481W
Total Capacity150Ah
Member Packs
78%
LiFePO4 #1
51.8V +12.4A
74%
LiFePO4 #2
51.4V +9.2A
72%
LiFePO4 #3
51.2V +7.1A
Dashboard
Scan
Cells
Group Detail

14 skins. Your style.

4 included free. Unlock premium themes for $0.99 each — no subscriptions.

FREE
Cyberpunk Neon
FREE
Arctic Blue
FREE
Forest Green
FREE
Classic Dark
Sunset Orange
Ocean Deep
Volcano Red
Purple Haze
Gold Rush
Midnight Blue
Neon Pink
Military Green
Ice White
Carbon Fiber

Built for real-world use

Whether you're on the road, at sea, or in the warehouse — MultiBMS has you covered.

Van Life / RV

Monitor all your house batteries at once — see combined SOC, get low-voltage alerts before you drain your solar storage overnight.

Marine / Sailing

Track battery banks at sea with cell-level visibility. Temperature alerts catch overheating before it becomes dangerous.

Off-Grid Solar

Group parallel packs into banks, monitor total capacity, and watch charge/discharge trends with live sparkline charts.

Forklifts / Equipment

Connect to multiple machines across your fleet. Check cycle counts, cell balance, and overall health from one device.

EV / E-bikes

Get deep diagnostics on your EV or e-bike battery — per-cell voltages, charge cycles, and real-time power draw.

DIY Builders

Validate custom battery builds with 4 cell visualization modes. Spot imbalanced cells instantly during assembly.

Simple pricing. No surprises.

No subscriptions. No ads. Buy what you want.

MultiBMS App
$0.99
One-time purchase
  • Unlimited BMS connections
  • All 9 BMS protocols
  • Real-time data & cell views
  • Battery groups & alerts
  • 4 skins included
Get the App
Premium Skins
$0.99
Per skin
  • 10 premium themes
  • Buy only the ones you like
  • One-time purchase
  • No subscriptions ever
  • Support indie development
Browse Skins

Ready to monitor smarter?

Get MultiBMS for just $0.99 on Android and iOS. Connect your first battery in under 30 seconds.

1
Download Just $0.99
2
Scan Auto-detects nearby BMS
3
Monitor Real-time data instantly
Coming Soon

App Store & Google Play listings launching soon.

Available on Android and iOS