12V 20Ah Battery is a Lithium Battery That is Designed for Solar Light

12V 20Ah Battery: Reliable 20Ah LiFePO4 Battery

The 12 volt lithium battery from Manly Battery delivers outstanding performance. 12V 20Ah battery is designed to work seamlessly with your existing solar light system, providing optimal performance and efficiency. More than 8000 cycles is the lifespan of 12v 20ah battery. They’re equipped with short circuit, overcharge, and over-discharge protection. They feature balanced circuits and can support parallel connections of multiple series.

At Manly Battery, we specialize in Business to Business sales, ensuring top-notch service. Experience our exceptional products through our sample services, allowing you to fully understand their excellence. With a 10-year warranty and multiple certifications, we prioritize both quality and quantity. Our 12V 20Ah battery is ideal for Portable medical devices, Solar lights, DC panels, and more. But that’s not all—reach out to our professional sales team for further details on our high-quality batteries.

Product Description:

1. Model               Number: MLP1220S1
2. Nominal          Capacity: 20Ah
3. Nominal            Voltage: 12.8V
4. MAX  Charge   Voltage: 14.6V
5. MAX  Charge   Current: 20A(Customization)
6. Customization Support: Including voltage, capacity, current, size, appearance, etc.

- manlyLight in weight:

20Ah LiFePO4 battery is only approx. 1/3 of lead acid battery in weight;

- manlyEnvironmentally friendly:

20Ah LiFePO4 battery does not contain any harmful heavy metal elements, pollution-free both in production and actual use.

- manlyLong Cycle Life:

This 12v 20ah 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 20ah 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.

Manly Battery is not just a professional battery supplier, but also a trusted manufacturer and OEM partner. We offer various options for 12V 20Ah batteries, including the reliable 12V 20Ah LiFePO4 battery, the popular 12V 20Ah lithium ion battery, and the traditional 12V 20Ah lead acid battery.

Let’s talk about the 12v 20ah lead acid battery first. It has some advantages, such as a lower initial cost compared to lithium-ion batteries, wide availability, and compatibility with different systems. It is also tolerant to a wide range of temperatures without significant impact on performance. However, there are clear disadvantages to consider as well. It is noticeably heavier and bulkier compared to lithium-ion batteries, has a shorter lifespan with limited charge cycles, takes longer to charge, and requires regular maintenance, including checking and refilling electrolyte levels.

Now, let’s move on to lithium-ion batteries and LiFePO4 batteries, which are the replacements for lead acid batteries.

The 12V 20Ah lithium ion battery has gained popularity recently. It offers advantages such as higher energy density, providing more power in a smaller and lighter package. It has a lower self-discharge rate, allowing for longer periods of non-use without losing charge. Plus, it charges faster compared to LiFePO4 batteries and is widely available and compatible with a range of electronic devices. However, there are a few drawbacks to consider. It has a shorter lifespan compared to LiFePO4 batteries, a higher risk of thermal runaway if not properly managed, is more sensitive to high temperatures, which can impact performance and lifespan, and requires a built-in protection circuit to prevent overcharging and excessive discharge.

Lastly, our highly recommended option is the 12V 20Ah LiFePO4 battery. It offers several advantages, including a longer lifespan compared to lithium-ion batteries, higher thermal stability that reduces the risk of overheating or thermal runaway, greater tolerance to high discharge and charge rates, and a lower self-discharge rate, allowing for longer storage periods without significant power loss. Moreover, it has a safer chemistry with reduced risks of fire or explosion. However, it’s important to note that it has a slightly lower energy density compared to lithium-ion batteries and a higher initial cost compared to some lithium-ion battery options.

When it comes to the 12V 20Ah battery, we highly recommend the LiFePO4 battery due to its exceptional advantages. Choose Manly Battery for reliable and efficient power solutions that meet your specific needs.

Features Of 12v 20ah battery:

  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.

Specification Of 12v 20ah battery:

12v 20Ah Battery Is Dedicated to Solar Lights
Electric Characteristics
Battery Type LiFePo4 Nominal Capacity 20Ah
Nominal Voltage 12V Actual Voltage 12.8V
Energy 256Wh Cycle Life 3500+
Charging and Discharging Parameters
Full charge volt 14.6V Discharge cut-off volt 10V
Max charge current 10A Max continuous discharge current 20A
Peak discharge current 40A@1~3 Seconds Suggested charge Volt 14.6V
Mechanical Properties
Dimension Customize Housing materials ABS/PVC/Customized
Weight About 3.0kg Configuration 4S6P/4S3P
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.

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

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