12V 42Ah LiFePo4 Deep Cycle lithium ion Battery Dedicated to Solar Lights

12V 42Ah Lithium Ion Battery For Solar Light

The 12V 42Ah Lithium Ion Battery for Solar Light is characterized by its high energy density, low self-discharge rate, and long cycle life. These features make it an ideal choice for powering outdoor solar lights, providing reliable and efficient energy storage for illuminating gardens, pathways, and other outdoor areas.

Product Description:

1. Model               Number: MLP1242S1
2. Nominal          Capacity: 42Ah
3. Nominal            Voltage: 12.8V
4. MAX  Charge   Voltage: 14.6V
5. MAX  Charge   Current: 42A(Customization)
6. Customization Support: Including voltage, capacity, current, size, appearance, etc.

- manlyLight in weight:

LiFePO4 substitution battery is only approx. 1/3 of lead acid battery in weight;

- manlyEnvironmentally friendly:

LiFePO4 does not contain any harmful heavy metal elements, pollution-free both in production and actual use.

- manlyLong Cycle Life:

This battery is with over 2000 time charge and discharge cycle life, after that, capacity left is still 80% of original value, self discharge rate is much lower than li-ion battery and lead-acid battery;

- manlyCustomized &Save Time:

Battery cells, size, capacity, voltage, connector…most parameters can be changed according to your request. You don’t need to take too much time to search an exist model

- manly

Application of 12V 42Ah Lithium Ion Battery

1)Energy Storage: PV Energy Storage, UPS, backup, power station;
2)EV: Golf trolleys, Electric scooters;
3)Solar System: Solar Home System, Solar Street Light, Solar CCTV
4)Telecommunications Base Stations;
5)Others: Emergency Light, Miner’s lamp, portable power supply, digital products, Roboticsetc, AGV/RGV/AMR, etc.

The 12V 42Ah Lithium Ion Battery for Solar Light is a sustainable and effective energy storage solution for outdoor lighting, providing a reliable source of power for various solar light systems. With its impressive energy density and long-lasting cycle life, 12V 42Ah Lithium Ion Battery is a more environmentally-friendly alternative to traditional batteries, reducing the need for fossil fuels. Its versatility, ease of maintenance, and ability to function in extreme temperatures make it a durable and dependable option for outdoor lighting applications. In short, 12V 42Ah Lithium Ion Battery is an efficient and eco-friendly solution for powering solar lights, illuminating outdoor areas, and contributing to a cleaner and greener future.


  1. Maintenance-free operation;
  2. The long service life of 10~15 years;
  3. Inbuilt BMS multiple security protection;
  4. High-quality lithium iron phosphate batteries, safe and reliable;
  5. More rechargeable time, longer lifetime, economic and environmental protection.


12V 42Ah LiFePo4 Deep Cycle Rechargeable Battery Dedicated to Solar Lights
Electric Characteristics
Battery Type LiFePo4 Nominal Capacity 42Ah
Nominal Voltage 12V Actual Voltage 12.8V
Energy 537.6Wh Cycle Life 3500+
Charging and Discharging Parameters
Full charge volt 14.6V Discharge cut-off volt 10V
Max charge current 21A Max continuous discharge current 42A
Peak discharge current 84A@1~3 Seconds Suggested charge Volt 14.6V
Mechanical Properties
Dimension Customize Housing materials ABS/PVC/Customized
Weight About 6.5kg Configuration 4S7P
Waterproof level IP65 Output Cable/Terminal/Optional
Operation Temperature Parameters
Charge 0~45℃ Storage less than 12 months  -20 ~25℃
Discharge -20~60℃ Storage less than three months  -20~35℃
Recommended 18~28℃ Storage over 12 months  25 ℃
BMS function
Protect battery from Overcharge, Over-discharge, Over-current, Short circuit
High safety (no fire, no explosion) No memory effect High energy density Long lifespan
Fast Charge Capability Waterproof Individual cell balancing Easy maintenance

Why choose MANLY:

  1. 36 months longer warranty time
  2. OEM/ODM custom is acceptable without MOQ Request
  3. Made of industrial Grade original MANLY factory lifepo4 battery cell with Factory price
  4. With advanced smart BMS (Battery Management System)

Packing & Delivery:


1) Carton box -pallet-container.

2) Packaging also can be customized by customers’ requirements.


1) Shipping time for news sample is 25-30 working days; mass production is 15~20 working days – since deposit received and samples confirmed.

2) Sample order is supposed to be shipped by DHL, UPS, FedEx, or TNT, mass order is suggested to ship by sea, we could supply forwarder service if you need.

Our Services:

OEM & ODM can customize according to your request :
  1. Battery voltage, capacity, and dimension.
  2. BMS charging and discharging current.
  3. Connector, case, and wire.
  4. Your own logo eg: silk print.
After-sales service is available :
  1. Respond in 24 hours to any inquiry on our product.
  2. Take action quickly for a normal customers’ claim within 12 hours.
  3. Good after-sales service: We offer 3 years quality warranty for lifepo4 batteries 12.8V 20Ah/50Ah/100Ah/200Ah/500Ah/1000Ah/…
  4. One by one tested before shipment.


1: Is MANLY Battery a trading company or factory?

R: MANLY is a company with its own factory, which integrates research, development, production, and sales.

2:How about is the quality of MANLY’s LiFePo4 Battery product?

R: MANLY has 12+ years of experience in lifepo4 battery, is also the authorized supplier of Siemens and BOSCH.

3: Can you do OEM/ODM project?

R: Yes, we have engineers who can help you design and R&D any related products.

4: What’s your MOQ?

R: According to your battery voltage and capacity.

5: What payment terms we can accept?

R: TT/Paypal/West Union/etc.

6: Is 12V 42Ah Lithium Ion Battery maintenance-free or does it require regular maintenance?

R:The battery is maintenance-free and does not require regular maintenance. However, it is recommended to perform a full charge and discharge cycle every few months to ensure optimal performance.

7: How does 12V 42Ah Lithium Ion Battery compare to other types of batteries commonly used for solar lights?

R: This battery has a higher energy density, longer cycle life, and lower self-discharge rate compared to other types of batteries commonly used for solar lights, such as lead-acid batteries.

8: How many cycles can 12V 42Ah Lithium Ion Battery handle before needing to be replaced?

R:This battery can handle up to 2000 cycles before needing to be replaced.

Remark: Our products are customized, so the main data can be changed by customer’s requirements.

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