For battery cells, review the product description for real-world current recommendations, testing notes, and application guidance. Manufacturer maximum ratings should be treated as limits, not the best target for long-term pack health.
Description
This is the newest version of the ANT 420A BMS, designed for serious high-discharge lithium battery builds. With built-in Bluetooth, cross-platform app support, and full protection features, it’s ideal for high-performance EVs, aviation, solar storage, and industrial battery packs.
Key Specs:
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Max Continuous Discharge: 420A
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Peak Discharge (10 sec): 1050A
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Supported Cell Types: Li-ion, LiPo, LiFePO4, LTO
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Supported Configs:
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Li-ion: 24S to 30S
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LiFePO4: 26S to 30S
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Balance Method: Passive
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Balance Current: 100mA
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Built-in Bluetooth: Yes (Android/iOS support)
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Voltage Detection per Cell: 0–5V (typical error <10mV)
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Temp Monitoring: -40°C to 125°C (with included sensors)
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Power Supply: Self-powered by battery (20V–120V)
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Current Sensing: -200A to 500A with <0.5% FSR error
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Operating Power Consumption: <4mA
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Standby Power: <2mA
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SOC Estimation Accuracy: <8% under standard use
Included in Package:
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ANT 420A BMS (pre-configured for your selected pack type)
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Wiring harness with battery leads
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Multiple temperature sensors
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Power-on wires
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App download instructions for iOS, Android, and PC
Optional Add-Ons (Sold Separately):
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2.8” or 4.3” LCD display screen
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USB PC adapter for wired diagnostics
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CAN/RS485/Modbus modules (custom order required)
Compatibility Notes:
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The 420A model supports 24S–30S Li-ion or 26S–30S LiFePO4 configurations.
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LCD displays above 24S may not be compatible unless using the 2.8” screen.
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App and LCD cannot be used simultaneously.
🔋 DIY500AMP.COM – Trusted BMS Solutions for Demanding Battery Builds
Orders ship from Florida when inventory is available. Lithium-ion cells require proper handling, protected packs, correct chargers, and safe storage. Do not solder directly to battery terminals.
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Let customers speak for us
Wow, these cells are great!
I purchased some of these tabless cells to try on my 1S 3" HD Toothpick drone build, and, albeit a bit heavy for 1S, it flies pretty well. Not a freestyle monster, but an endurance beast with decent send. These cells shrug off the demands of a BETAFPV Matrix HD AIO flight controller/12A ESC and some 1202.5 11000KV motors. I'm getting 15+ minutes of speedy flight time from a single cell trying not to go below 3.2V, and about 20+ minutes cruising. Love these cells and will definitely buy more when time comes, only from DIY500AMP, who are terrific!
VN in AZ
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