Custom 12V 45Ah battery (45Ah lithium battery) for replacing Lead-Acid batteries

12V 45Ah Battery – Reliable 45Ah Lithium Battery

MANLY Battery’s 12 volt lithium battery offers high performance. Our 12V 45Ah battery comes with a comprehensive 10-year warranty, customized battery options, and an assortment of certifications. Designed to directly replace lead-acid batteries, this 12V 45Ah battery is ideal for use in applications like solar street light, control system, portable energy storage, and more.

Product Description:

1. Model Number: MLP1245M
2.Nominal Capacity: 12Ah
3. Nominal Voltage: 12.8V
4. MAX Charge Voltage: 14.6V
5. MAX Charge Current: 45A(Customization)
6. 10-year warranty & 24-hour timely service
7. The Max connection in series / in parallels: Support 4 series and 4 parallel
8. Customization Support: Including voltage, capacity, current, size, appearance, etc.

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Environmentally friendly:

45Ah lithium battery does not contain any harmful heavy metal elements, pollution-free both in production and actual use.

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Long Cycle Life:

This 45Ah lithium battery is with over 5000-time charge and discharge cycle life, after that, the capacity left is still 80% of the original value, the self-discharge rate is much lower than the li-ion battery and lead-acid battery;

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Light in weight:

45Ah lithium battery is only approx. 1/3 of lead acid battery in weight;

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Customized &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 for an existing model

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Application Of 12V 45Ah Battery

1)Energy Storage: PV Energy Storage, UPS , backup ,power station;
2)EV : Golf trolleys , Electric scooters;
3)Solar System,Wind Energy Storage,Solar Home System, Solar Street Light;
4)Telecommunications Base Stations;
5)UPS(Uninterrupted Power Supply);
General Energy Storage (Such as: Back-up Power, Miner’s lamp, portable power supply, digital products etc.)

With over 13 years of expertise, MANLY Battery stands as a distinguished leader in battery manufacturing, supply, and OEM services. Unveil the power of our high-quality 12V 45Ah battery. This 45Ah lithium battery delivere reliable energy for portable storage, solar street lights, and UPS systems. Renowned for its exceptional lifespan of over 8000 cycles, this battery ensures peace of mind with built-in safeguards against short circuits, overcharging, and over-discharging. The balanced circuit and the ability to connect multiple series in parallel enhance versatility.

As a drop-in replacement for lead-acid batteries, our 12V 45Ah battery offers seamless plug-and-play functionality. We proudly provide various certifications, including UN38.3, IEC62133, UL, and CE, reinforcing our commitment to quality and safety.

Features Of 12V 45Ah Battery:

  1. Maintenance-free operation;
  2. 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 45Ah Battery:

Custom deep cycle 12V 45Ah battery for replacing Lead-Acid batteries
Electric Characteristics
Rated Capacity 45Ah Energy 307.2Wh
Nominal Voltage 12V Specific Energy 69.12Wh/kg
Internal Resistance ≤50mΩ Cycle Life 8000+
Charging and Discharging Parameters
Charge cut-off volt 14.6V Discharge cut-off volt 10V
Maximum Charge current 24A Maximum Discharge current 24A
Peak Discharge current 14.6V Suggested charge Volt 14.6V
Operation Temperature Parameters Storage Temperature Parameters
Charge 0~45℃ Less than a year 0~25℃
Discharge -20~60℃ Less than three months -10~35℃
Recommended 18~28℃
Mechanical Properties
Dimension Length 181mm Housing materials ABS
Dimension Width 77mm Terminal size M6/M8 optional
Dimension Height 167mm Cell model 3.2V 6ah
Weight About 4.0kg Configuration 4S4P
BMS function
Protect battery from Over charge, 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. MANLY original factory with Factory price
  2. 120 months longer warranty time
  3. OEM/ODM custom is acceptable without MOQ Request
  4. Made of powerful industrial Grade original factory lifepo4 battery cell
  5. With advanced BMS (Battery Management System)

Packing & Delivery:


1) Carton box -pallet-container.

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


1) Shipping time for bulk order: 30-45 days after received the deposit.

2) Sample order is supposed to be shipped within 7 days, bulk 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: MANLYis 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: Our company has 12+ years of experience in lifeepo4 batteries pack, and we are the authorized supplier of Siemens and BOSCH.

3: What’s your certification?

Re: We have CE/FCC/ROHS/PSE/UN38.3/MSDS/BSCI certifications by TUV Lab.

4: Can you do OEM/ODM project?

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

5: What’s your MOQ?

R: According to your battery voltage and capacity.

6: What payment terms we can accept?

R: TT/Paypal/West Union/etc.

7:How Long Is The Lead Time?

R: Sample is 25-30 working days; mass production is 15~20 working days – since deposit received and samples confirmed.

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

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