Shenzhen Ryder Electronics Co., Ltd. is one of the leading manufacturers and suppliers of reliable 42v 3a charging for 36v 10s lithium-ion batteries in China. Welcome to buy CE approved batteries in stock here and get free sample from our factory. All customized products are with high quality and low price.
Products Introduction
Designed for lithium-ion battery systems, the charger uses a controlled CC/CV (Constant Current / Constant Voltage) charging profile to provide stable charging from the initial charging stage through to battery completion.
It is suitable for a wide range of battery-powered applications, including electric bicycles, electric scooters, mobility equipment, portable power systems, and other 36V lithium-ion products.
For OEM and ODM customers, the charger can also be configured according to application requirements, including connector type, cable length, AC plug, labeling, and other specifications.
✨Technical Specifications
| Item | Specification |
| Model | CH-RLi042V003A0-001 |
| Product Type | Li-ion Smart Charger |
| Output Voltage | 42V DC |
| Output Current | 3A |
| Maximum Output Power | 126W |
| Compatible Battery | 36V / 10S Li-ion Battery |
| Charging Mode | CC/CV |
| AC Input | 100–240VAC |
| Input Frequency | 50/60Hz |
| Application | E-Bike, E-Scooter, Mobility Equipment, Portable Power |
| Protection | OVP / OCP / SCP / OTP / Overload* |
| Charging Indicator | LED* |
| DC Connector | Customizable |
| AC Plug | Customizable |
| Cable Length | Customizable |
| OEM / ODM | Available |
Specifications may vary according to the final product configuration. Please confirm the battery, BMS, connector, and charging requirements before ordering.
What Is the Difference Between a 42V 2A and 42V 3A Charger?
The main difference is the charging current.
| Feature | 42V 2A Charger | 42V 3A Charger |
| Output Voltage | 42V | 42V |
| Output Current | 2A | 3A |
| Output Power | 84W | 126W |
| Charging Speed | Standard | Faster |
| Suitable Battery Size | Smaller packs | Small / medium packs |
| Charging Time | Longer | Shorter |
A 42V 3A charger provides 50% more nominal charging current than a 42V 2A charger, provided that the battery and BMS support the higher charging current.
For customers who want to reduce charging downtime without significantly increasing charger power, 42V 3A can be an attractive option.
Frequently Asked Questions
Q:What battery does a 42V 3A charger charge?
A:A standard 42V 3A lithium-ion charger is designed for compatible 36V / 10S Li-ion battery packs with a maximum charging voltage of 42V.
Q：Can I use a 42V charger for a 36V battery?
A:Yes, if the battery is a compatible 10S lithium-ion battery designed for 42V maximum charging voltage.
Q:Is 3A too much for a 36V battery?
A:Not necessarily. The appropriate charging current depends on battery capacity, cell specifications, BMS rating, and manufacturer requirements. A 3A charger should only be used when the battery system supports 3A charging.
Q:How many watts is a 42V 3A charger?
A:The theoretical maximum output power is:
42V × 3A = 126W
Q:Can a 42V 3A charger charge a 36V 10Ah battery?
A:For a compatible 36V / 10S Li-ion battery, the theoretical charging time is approximately 3.3 hours, although the actual time will usually be longer due to the CC/CV charging process.
Q:Can I use this charger for a 36V LiFePO4 battery?
A:Not automatically. LiFePO4 batteries use a different charging voltage from standard 10S Li-ion batteries. Always verify the battery chemistry and maximum charging voltage before selecting the charger.
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