EnergonX 14.6V 40A 0V LiFePO₄ Battery Charger
🔌230 V AC ⚡14.6 V / 40 A 🔋12.8 V LiFePO₄ ↻0 V BMS activation 🔴Red 50 A Anderson 🛡️CC/CV charging
230V Charger – EnergonX 14.6V 40A 0V (for LiFePO₄ charging only)
A high-power EnergonX mains battery charger for 12 V, or 12.8 V nominal, LiFePO₄ batteries. It can supply up to 40 A charging current and limits the charging voltage to 14.6 V.
The automatic three-stage charging process consists of pre-charge/activation, constant-current CC and constant-voltage CV stages. The 0 V activation function can wake a battery whose output has been disconnected by the BMS due to low-voltage protection.
Which batteries is it compatible with: suitable for any 12.8 V nominal LiFePO₄ battery whose manufacturer and BMS permit a 14.6 V charging voltage and 40 A charging current.
Output connection: the charger is supplied with a red 50 A Anderson connector and an approximately 124 cm long 10 AWG silicone output cable. The red conductor is positive (+), and the black conductor is negative (−).
Important: for LiFePO₄ batteries only. It must not be used with lead-acid, AGM, GEL, NMC or other battery chemistries.
- Brand:
- EnergonX
- Product code:
- {EX2310-EXS40-A}
40.000 HUF
Netto price:
31.496
HUF
Piece
(pc)
Dimensions
- Width:
- 20 cm
- Length:
- 9 cm
- Height:
- 6 cm
Piece
(pc)
🔌230 V AC ⚡14.6 V / 40 A 🔋12.8 V LiFePO₄ ↻0 V BMS activation 🔴Red 50 A Anderson 🛡️Pre-charge + CC + CV
230V Charger – EnergonX 14.6V 40A 0V (for LiFePO₄ charging only)
The EnergonX 14.6V 40A 0V is a high-power mains charger for fast, controlled charging of nominal 12 V, or 12.8 V, LiFePO₄ batteries. During the CC stage it can supply up to 40 A, then switches to constant-voltage CV charging at 14.6 V.
Main benefits
40 A fast chargingUnder suitable conditions, the charger provides the rated 40 A continuously during the CC stage.
Automatic three-stage algorithmPre-charge/activation, constant-current CC and constant-voltage CV stages.
0 V BMS activationCan wake a LiFePO₄ battery disconnected by the BMS due to low-voltage protection.
Supports self-heating batteriesSupplies current for the heating stage while the battery BMS controls how it is used.
Red 50 A Anderson connectorApproximately 124 cm long 10 AWG silicone cable designed for continuous 40 A operation.
Automatic thermal protectionReduces output current if overheated and restores it automatically after cooling.
Compatibility
Which batteries is it compatible with: suitable for any 12.8 V nominal LiFePO₄ battery whose manufacturer and BMS permit a 14.6 V charging voltage and 40 A charging current.
A 40 A charging current is not permitted for every LiFePO₄ battery. Before use, check the battery data sheet for the maximum or recommended charging current. If the manufacturer specifies a lower value, this charger must not be used with that battery.
LiFePO₄ only: the charger is not suitable for lead-acid, AGM, GEL, lithium-ion NMC, LTO or other battery chemistries.
Three-stage charging process
1. Pre-charge / activationAt voltages below approximately 9–10 V, the charger uses 1–4 A to wake the battery and BMS gently.
2. Constant-current CC stageAbove approximately 10 V, the battery is charged at up to 40 A while voltage rises to 14.6 V.
3. Constant-voltage CV stageVoltage remains at 14.6 V while charging current gradually decreases as the battery becomes full.
No trickle chargingThe charger does not use a float or equalisation stage.
Full charge: when current falls to approximately 0.02C–0.05C, the battery is considered approximately 98–100% charged and the LED changes to green.
What does 0 V activation mean?
The 0 V function is not intended to repair cells that are genuinely discharged to 0 V. It can activate a LiFePO₄ battery whose terminals show near-zero voltage because the BMS has disconnected the cells due to low-voltage protection.
The process is automatic. The charger uses a low activation current of approximately 1–4 A to wake the BMS. Once battery output voltage rises to approximately 10–12 V, the charger switches to the normal CC stage. Depending on battery condition, activation may take from a few minutes to approximately half an hour.
0 V activation warning
Damaged battery: do not activate or charge a swollen, mechanically damaged, overheated, leaking or deeply discharged battery that has remained in that condition for an extended period.
Cells genuinely at 0 V: the function does not guarantee recovery of physically damaged cells or cells genuinely discharged to zero.
Self-heating LiFePO₄ batteries
The charger can also be used with self-heating LiFePO₄ batteries. If the battery BMS initially routes charging current to the internal heating elements at low temperature, the charger supplies the current required by the battery system. It can provide more than 15 A during the self-heating stage.
The BMS controls the process: the charger supplies DC power, while the battery BMS determines whether the current is used for heating, cell charging or the transition between them. A non-self-heating LiFePO₄ battery must not be charged below 0 °C.
Red 50 A Anderson connection
ConnectorRed 50 A Anderson connector.
Cable10 AWG silicone cable, approximately 124 cm long.
PolarityRed conductor: positive (+); black conductor: negative (−).
Current capacityThe output cable is designed for continuous 40 A charging current.
Before connection: mechanical compatibility of the Anderson connector does not itself confirm correct polarity. Check polarity with a meter before first connection.
LED indication
- Red LED after mains connection: the charger is powered and in standby/ready state.
- Red LED while charging: charging is in progress.
- Green LED: charging has finished.
No separate error code: reverse polarity, short circuit, overheating or battery faults do not produce a dedicated flashing code. The protection functions operate internally.
Estimated charging times
The simple theoretical calculation is battery capacity in Ah ÷ 40 A. Actual charging time depends on starting state of charge, battery BMS, temperature and the duration of the CV stage, so it is generally longer.
| Battery | Theoretical time | Notes |
|---|---|---|
| 100 Ah | approx. 2.5 hours | Theoretical CC time from fully discharged. |
| 165 Ah | approx. 4.1 hours | Theoretical CC time; the CV stage increases the total. |
| 200 Ah | approx. 5 hours | Theoretical CC time; actual time depends on starting state of charge. |
| 320 Ah | approx. 8 hours | Theoretical CC time, provided the battery permits 40 A charging. |
Main technical specifications
The table summarises the available manufacturer and product information. Unverified data is marked as “no data”.
| Parameter | Value | Notes |
|---|---|---|
| SKU | {EX2310-EXS40-A} | EnergonX item number. |
| Product name | 230V Charger – EnergonX 14.6V 40A 0V (for LiFePO₄ charging only) | English product page name. |
| Brand | EnergonX | |
| Product type | Mains LiFePO₄ battery charger | For 12.8 V nominal LiFePO₄ batteries only. |
| Nominal mains voltage | 230 V AC | For European mains use. |
| Input voltage range | 200–240 V AC | Manufacturer data. |
| Mains frequency | 50–60 Hz | Manufacturer data. |
| Output voltage | 14.6 V DC | Fixed LiFePO₄ charging voltage. |
| CV voltage accuracy | 14.6 V ±0.05 V | During the CV stage. |
| Maximum charging current | 40 A | During the CC stage, with adequate cooling and suitable ambient conditions. |
| Theoretical maximum output power | 584 W | Based on 14.6 V × 40 A. |
| Supported battery voltage | 12.8 V nominal | A nominal 12 V battery made from 4 LiFePO₄ cells in series. |
| Supported battery chemistry | LiFePO₄ | Must not be used with other battery chemistries. |
| Compatibility requirement | The manufacturer and BMS must permit 14.6 V / 40 A charging | Always verify the battery’s maximum permissible charging current. |
| Charging algorithm | Pre-charge / activation → CC → CV | Automatic three-stage charging. |
| Float / trickle charging | No | No float-charging stage is used for LiFePO₄ batteries. |
| Pre-charge stage condition | Battery voltage below approximately 9–10 V | For deep discharge, BMS protection shutdown or extended storage. |
| Pre-charge current | approximately 1–4 A | For gentle activation of the battery and BMS. |
| Switch to normal charging | at approximately 10–12 V battery voltage | The rated CC stage begins afterwards. |
| CC stage | up to 40 A | Voltage gradually rises to 14.6 V. |
| CV stage | 14.6 V constant voltage | Charging current gradually decreases as the battery becomes full. |
| Typical current at full charge | approximately 0.02C–0.05C | Approximately 2–5 A for a 100 Ah battery. |
| 0 V activation | Yes, automatic | For waking a LiFePO₄ battery disconnected by its BMS. |
| Meaning of 0 V activation | Near-zero voltage measured at the terminals | The function is not suitable for recovering cells that are genuinely discharged to 0 V or damaged. |
| Activation time | from a few minutes to approximately 30 minutes | Depends on battery and BMS condition. |
| Self-heating LiFePO₄ battery | Compatible | If the BMS initially routes the charging current to the heating elements. |
| Current available during self-heating | may exceed 15 A | Actual current draw and use are controlled by the battery BMS. |
| Output connector | Red 50 A Anderson connector | This is the supplied output connector. |
| Output cable | 10 AWG silicone cable | Designed for continuous 40 A charging current. |
| 230 V mains cable length | approximately 122 cm | Measured including the mains plug. |
| DC output cable length | approximately 124 cm | Measured including the connector. |
| Polarity | red = positive (+), black = negative (−) | Always verify before connection. |
| Cooling | Built-in fan cooling | The charger requires adequate ventilation. |
| Normal ambient operating temperature | −20 °C to +40 °C | This is the charger’s ambient range; the battery’s permitted charging temperature must be considered separately. |
| Thermal power control | Yes | Automatically reduces current if overheated and restores it after cooling. |
| Protections | Reverse polarity, short circuit, output overvoltage, overheating | Protection operates internally. |
| LED – mains standby | Red | The charger is powered and ready. |
| LED – charging | Red | Charging is in progress. |
| LED – fully charged | Green | Charging has finished. |
| Separate LED error code | No | No dedicated flashing code is provided for abnormal conditions. |
| Display | No | Status is shown by a two-colour LED. |
| Certifications | CE, RoHS | According to the available product information. |
| IP rating | No data | |
| Dimensions | approximately 20.0 × 9.0 × 6.0 cm | Length × height × width. |
| Weight | No data |
Safety warning
230 V mains voltage: use the charger only from an undamaged earthed mains socket in a dry, well-ventilated location. Do not open or repair the charger yourself.
LiFePO₄ only: connecting a different battery chemistry may cause overheating, battery damage, fire or explosion.
40 A charging current: verify that the battery manufacturer and BMS permit this current. Excessive charging current may trigger protective shutdown or damage the battery.
Ventilation: keep the fan openings unobstructed. The charger may reduce output power if it overheats.
Moisture: the charger is not waterproof. Do not use it in wet, humid, rain-exposed or corrosive environments.
Abnormal heating: if the charger or battery becomes too hot to touch, stop charging immediately and inspect the connections and battery condition.