On this page
When the path lights stay dark after sunset, the best lifepo4 battery for solar lights is the cell that fits the fixture and holds a charge through the night. We compared LiFePO4 cells and banks that list voltage, capacity, BMS protection and warranty terms, using only the figures each listing states. The picks below range from a light-sized cell pack to bank-scale batteries, so the right choice depends on the fixture the battery must fit. A cell that is too tall for the fixture, or a bank that dwarfs the light it must feed, wastes the whole purchase, so size and voltage come before capacity in the sections below.
SolarKitHQ earns a commission when you buy through links on this page, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
Quick picks
Best Overall HyperPS 14430 20-Pack: 20-pack of 3.2V 400mAh cells sized for solar panel lights Check price on Amazon
Most Capacity yeagulch 150Ah Max Battery: 150Ah bank with 100A BMS and 15000 cycles at 60% depth of discharge Check price on Amazon
Mini Battery Litime 200Ah Mini Battery: 12V 200Ah mini battery with Bluetooth and IP65 Check price on Amazon
Compact Battery GOLDENMATE 16Ah Battery: 12V 16Ah battery with IP67 protection Check price on Amazon
The picks
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 | Litime 200Ah Mini Bluetooth | 9.8/10 | Buy on Amazon |
| 2 | GOLDENMATE 16Ah | 9.6/10 | Buy on Amazon |
| 3 | HyperPS 14430 20-Pack | 9.5/10 | Buy on Amazon |
| 4 | yeagulch 150Ah Max Battery | 9.4/10 | Buy on Amazon |
Litime 200Ah Mini Bluetooth
A compact 12.8V 200Ah LiFePO4 battery with Bluetooth 5.0 monitoring, a 200A BMS and Grade A cells for RV, marine and solar use.
Pros
- Bluetooth 5.0 with real-time SOC, voltage and current on the Litime app
- Grade A automotive LiFePO4 cells with 6000 deep cycles at 100% DOD
- ABYC E-13 compliance stated, a marine standard none of the others list
- Smart low-temperature protection that stops charging below 32°F and discharging below -4°F
Cons
- Bluetooth must be activated by charging with a lithium-activation or MPPT charger on first use
- Spec table lists 28 pounds against 44.5 pounds in the bullets
- No carrying handle mentioned in the listing
- No operating temperature range stated
Detailed Review
The listing states a 12.8V 200Ah LiFePO4 battery with Grade A automotive cells, 6000 deep cycles at 100% DOD, Bluetooth 5.0 pairing with the Litime app for real-time SOC, voltage and current, smart low-temperature protection that stops charging below 32°F and discharging below -4°F, a 200A BMS with triple protection against dust, water and salt spray, 4P4S expansion to 51.2V 800Ah and 40.96kWh, CE and FCC certification, ABYC E-13 compliance, AIG product liability insurance effective May 22, 2026 and a 5-year warranty. One inconsistency: the spec table lists 28 pounds while the bullets state 44.5 pounds; trust the bullets.
Who it's for: RV and boat owners who want app monitoring and a stated marine standard in a 200Ah battery. Who should skip it: buyers who want a bigger stated cycle count or a UL listing.
Its Solar Score of 9.8/10 comes from performance 33/35, build 22/25, value 21/25, safety 9/10 and warranty 3/5: 88 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 12.8V 200Ah |
|---|---|
| Bluetooth | 5.0, Litime app with SOC, voltage, current |
| Cycle life | 6000 deep cycles at 100% DOD |
| Certification | CE, FCC, ABYC E-13 |
Figures as published on the retailer listing, collected 22 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. CE and FCC certified, IP65 rating, 200A BMS and low-temperature protection stated, so safety scores 9 of 10. 5-year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
GOLDENMATE 16Ah
A 12V 16Ah LiFePO4 battery at 3.97lbs with an IP67 rating, 5000+ cycles and a 2-year warranty.
Pros
- 3.97lbs, the lightest here
- IP67 rating stated
- 5000+ cycles stated
- Series/parallel up to 8 units stated
Cons
- 16Ah, the smallest capacity here
- 15A continuous discharge limits inverter size
- 8A max charge current
- 2-year warranty, shorter than the 5-year terms here
Detailed Review
The listing states a 12V 16Ah LiFePO4 battery with a 16A BMS, over 5000 cycles, an IP67 rating, and 3.97lbs at 3.86 by 5.94 by 3.66 inches. It lists 15A continuous discharge and 8A max charge, series/parallel expansion up to 8 units, and a 2-year warranty.
Who it's for: small boats, fish finders and kayaks where 16Ah is enough. Who should skip it: anyone running an inverter over a few hundred watts.
Its Solar Score of 9.6/10 comes from performance 28/35, build 21/25, value 20/25, safety 5/10 and warranty 2/5: 76 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 12V 16Ah |
|---|---|
| Cycles | 5000+ stated |
| Rating | IP67 |
| Weight | 3.97lbs |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. 16A BMS with overcharging, over-discharging, over-current and short circuit protection stated, IP67 rating, so safety scores 5 of 10. 2-year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 2 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
HyperPS 14430 20-Pack
20-pack of 3.2V 400mAh LiFePO4 cells sized for solar panel lights, at 14 by 43mm, with a warning that they are shorter than a AA-size battery.
Pros
- Sized for solar panel lights, not a generic AA replacement
- 20 cells in the pack for several light fixtures
- 3.2V LiFePO4 chemistry for rechargeable solar light use
- Each cell weighs 14.9 g for a light cell
Cons
- Bullet weight of 14.9 g per cell does not match the spec table weight of 14 ounces
- Spec table size of 1.97 by 8 by 2.2 inches does not match the bullet size of 1.69 by 0.55 inch
- No warranty term is stated
- No BMS or protection feature is stated
Detailed Review
The listing states a 20-pack of 3.2V LiFePO4 cells at 400mAh, sized 14 by 43mm, for solar panel lights, flashlights, shavers and toothbrushes, with each cell weighing 14.9 g. It warns that this is not a AA-size battery and does not fit to replace a AA-size rechargeable battery, and that it is shorter than a AA-size battery. The bullets give 1.69 by 0.55 inch per cell, while the spec table gives 1.97 by 8 by 2.2 inches and 14 ounces, so trust the title and bullets for cell size.
Who it's for: owners replacing cells in solar panel lights who have checked the 14 by 43mm size against the old cell. Who should skip it: buyers looking for a AA-size replacement, which this cell is not.
Its Solar Score of 9.5/10 comes from performance 32/35, build 21/25, value 22/25, safety 0/10 and warranty 0/5: 75 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Voltage | 3.2V |
|---|---|
| Capacity | 400mAh |
| Size | 14 by 43mm |
| Pack | 20 cells |
Figures as published on the retailer listing, collected 28 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. No battery management system, protection or listing is stated, so safety scores zero. No warranty term, so warranty scores zero. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
yeagulch 150Ah Max Battery
12.8V 150Ah LiFePO4 battery with a 100A BMS, 1905Wh of energy and 15000 cycles at 60% depth of discharge, built for RV, marine and solar systems.
Pros
- 100A BMS with protection against overcharging, over-discharging, short circuits and overheating
- 150Ah capacity with 1905Wh for larger solar systems
- 15000 cycles at 60% depth of discharge for long service
- Can connect in 4 series and 4 in parallel to a 51.2V system
Cons
- Title lists 2PCS while the bullets describe a battery at 10.04 by 7.68 by 9.84 inches and 41.03 lbs without saying whether that covers both units
- Bullets open with 12V while the title and spec give 12.8V
- No warranty term is stated
- Scale suits a bank or RV system, not a light-sized cell
Detailed Review
The listing states a 12.8V 150Ah Max LiFePO4 battery with a built-in 100A BMS, 1905Wh, 15000 cycles at 60% depth of discharge, and protection against overcharging, over-discharging, short circuits and overheating. It measures 10.04 by 7.68 by 9.84 inches and weighs 41.03 lbs, and it can connect in 4 series and 4 in parallel to a 51.2V system. The title lists 2PCS, while the bullets describe a battery in the singular, so the listing does not say whether the size and weight cover both units, and the bullets open with 12V against the 12.8V in the title, so trust the title for voltage.
Who it's for: owners building a larger solar, RV or marine bank who want BMS protection and long cycle life. Who should skip it: buyers replacing a cell in a solar light, who should look at a light-sized cell instead.
Its Solar Score of 9.4/10 comes from performance 21/35, build 21/25, value 15/25, safety 8/10 and warranty 0/5: 65 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Voltage | 12.8V |
|---|---|
| Capacity | 150Ah |
| Energy | 1905Wh |
| BMS | 100A |
Figures as published on the retailer listing, collected 28 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. 100A BMS with overcharge, over-discharge, short circuit and overheating protection stated, so safety scores 8 of 10. No warranty term, so warranty scores zero. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
Redodo 100Ah Group 24 BatteryBluetooth monitoring with low-temperature protection for RV and solar useCheck on Amazon
volkate 6V Lantern BatteryLantern battery with charger for flashlights and emergency lightsCheck on Amazon
Compare the picks
| Battery | Solar Score | Voltage | Capacity | Protection | Warranty | Amazon |
|---|---|---|---|---|---|---|
| HyperPS 14430 20-Pack | 9.5/10 | 3.2V | 400mAh | Not stated | Not stated | View on Amazon |
| yeagulch 150Ah Max Battery | 9.4/10 | 12.8V | 150Ah | 100A BMS | Not stated | View on Amazon |
| Litime 200Ah Mini Battery | 9.8/10 | 12V | 200Ah | 200A BMS, IP65 | Not stated | |
| GOLDENMATE 16Ah Battery | 9.6/10 | 12V | 16Ah | IP67 | Not stated |
Specifications are manufacturer rated as listed, collected 28 October 2026.
How we scored them
The Solar Score weighs performance, build, value, safety and warranty. For a LiFePO4 battery, safety means BMS protection and weather protection the listing actually states; a battery that states neither scores zero on that line. No product here states a warranty term, so every pick scores zero on warranty. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| HyperPS 14430 20-Pack | 9.5 | 32 | 21 | 22 | 0 | 0 |
| yeagulch 150Ah Max Battery | 9.4 | 21 | 21 | 15 | 8 | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
How to choose the best lifepo4 battery for solar lights
Match the cell size to the fixture, not just the chemistry
Size decides fit before chemistry or capacity matters. The HyperPS listing warns that its cell is not a AA-size battery and does not fit to replace a AA-size rechargeable battery, and that it is shorter than a AA-size battery, at 14 by 43mm. That warning matters because a solar light fixture built around a different cell will not accept this size, however good the chemistry is. The bank-scale picks give no light-fixture size at all, so a buyer replacing a light cell should start with the HyperPS pack and check the old cell against 14 by 43mm before ordering. For ideas on the lights themselves, see our small solar light guide.
Match voltage and capacity to the light
Voltage and capacity separate the light-sized cell from the bank batteries in this group. The HyperPS cell is 3.2V at 400mAh, while the yeagulch bank is 12.8V at 150Ah with 1905Wh, and the Litime and GOLDENMATE titles give 12V at 200Ah and 12V at 16Ah. A light built for a 3.2V cell cannot use a 12V bank, and a bank-scale battery cannot fit a light fixture, so voltage and size must match the old battery before capacity is compared. Capacity then sets how long a bank can feed a larger system, which is why the yeagulch bank suits RV, marine and solar systems rather than a path light.
| Battery | Voltage | Capacity | Protection |
|---|---|---|---|
| HyperPS 14430 20-Pack | 3.2V | 400mAh | Not stated |
| yeagulch 150Ah Max Battery | 12.8V | 150Ah | 100A BMS |
| Litime 200Ah Mini Battery | 12V | 200Ah | 200A BMS, IP65 |
| GOLDENMATE 16Ah Battery | 12V | 16Ah | IP67 |
Weigh BMS protection and weather protection
Protection is where the bank batteries pull ahead of the light cell. The yeagulch listing states a built-in 100A BMS with protection against overcharging, over-discharging, short circuits and overheating, and the Litime title lists a 200A BMS with an IP65, while the GOLDENMATE title lists IP67. The HyperPS listing states no BMS or protection feature, which is normal for a small light cell but leaves the fixture itself to handle charging. A buyer fitting a battery outdoors should weigh the IP65 and IP67 figures alongside BMS protection, and our lithium vs lead acid battery for home backup guide compares lithium chemistry with lead acid for larger systems.
Think about pack size and spares
Pack size changes how a purchase is used. The HyperPS listing is a 20-pack, so a household with several solar lights can replace cells across fixtures from the same pack, while the yeagulch title lists 2PCS without saying whether its stated size and weight cover both units. The Litime and GOLDENMATE titles give no pack figure at all, so a buyer who needs spares should check the listing for pack count before ordering. Keeping a spare cell on hand also matters for lights that run nightly, since a dead cell leaves a fixture dark until a replacement arrives.
Read the warranty line before buying
No product here states a warranty term, so warranty cannot separate the main picks. That gap makes the listing details matter more: a buyer should keep the listing wording on file, since no term is quoted for these batteries. The extra picks listed after the main picks do state terms, with HQRP listing 200 days and Redodo listing 5 years. For the wider choice of lights around a battery, see our solar light with separate panel vs integrated panel guide.
Sizing Notes
- Match cell size against the old cell before ordering: the HyperPS cell is 14 by 43mm and is shorter than a AA-size battery.
- Match voltage to the fixture: a 3.2V cell and a 12.8V bank are not interchangeable.
- Match capacity to the load: a 400mAh cell suits a light, while a 150Ah bank suits a larger system.
- Match BMS and weather protection to outdoor use: yeagulch lists a 100A BMS, Litime lists IP65 and GOLDENMATE lists IP67.
Frequently Asked Questions
Which pick here fits a solar light fixture?
The HyperPS pack, which lists cells for solar panel lights at 14 by 43mm, with a warning that they are shorter than a AA-size battery and do not fit to replace a AA-size rechargeable battery.
Can a 12V bank battery replace a solar light cell?
No, not on the figures here: the bank picks are 12V or 12.8V, while the light cell is 3.2V, and the bank sizes do not match a light fixture. Match voltage and cell size against the old battery before ordering.
Which batteries here list BMS protection?
The yeagulch bank lists a 100A BMS, and the Litime title lists a 200A BMS. The HyperPS listing states no BMS feature, and the GOLDENMATE title lists IP67 without a BMS figure.
Do any of these batteries state a warranty term?
No product here states a warranty term. Among the extra picks, HQRP lists 200 days and Redodo lists 5 years.
Related guides
See every LiFePO4 Batteries guide and all Batteries and Charging guides.
More picks: solar lights for emergency, solar light kit with battery, cleaner for solar lights and glass vs plastic solar lights.
