| Type: | Finished Batteries Tester |
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| Test Region: | Charge and Discharge |
| Application: | Lead-acid Battery |
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Shipping Cost:
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier BG21 Coulomb Battery fuel gauge module
BG21 is a high-performance battery fuel gauge module suitable for various common batteries such as 6V to 48V li-ion batteries, LiFePO4 batteries, lead-acid (SLA, VRLA, GEL, AGM) batteries, NIMH/NICD batteries, and so on. She can measure battery voltage, charge/discharge status, charge/discharge current, state of charge (SOC), SOH, true battery capacity (Ah), charging curve, discharge curve, operating time, and other data. BG21 uses a Coulomb integral algorithm to accurately calculate the Ah capacity value of the battery and draw a charge discharge curve. BG21 is embedded with an automatic learning algorithm that can automatically learn the parameters of the currently connected battery, making it convenient for users to connect various types of batteries.
Suitable battery: 6V~48V, Li-Ion, LiFePO4, Pb-Acid battery
Voltage range: 5V~60V
Current range: 0~40A
Capacity range: 0~999Ah
Capacity algorithm: Coulomb integration method
Digital display: voltage, current, SOC, SOH, capacity (Ah), run time
Battery curve: charging curve, discharge curve
Power consumption: 10mA for screen on, 6mA for screen off, 0.9mA for standby
Measurement error: current+- 5%, voltage+- 1.5%, capacity+- 5%
Communication function: optional RS485
Output protection: polarity reverse connection protection
Dimensions Weight: 75x 44 x 19mm/50g
Suppliers with verified business licenses
Audited Supplier 
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