Gama Sonic Solar Light Batteries

Genuine-style replacement batteries for Gama Sonic outdoor solar lights. Options include 3.2V LiFePO4 and 3.6V Ni-MH packs in sizes suited to lamp posts, wall lights, and pathway fixtures. Use this guide to choose the correct battery, install it safely, and maximize runtime.

What These Batteries Are

Gama Sonic fixtures commonly use two battery families:

• LiFePO4 (3.2V nominal): Often labeled IFR14500/IFR18500/IFR18650 single cells or multi-cell packs wired in parallel to stay at 3.2V. Typical capacities range from ~500 mAh to 6000 mAh for higher-output lamp posts.
• Ni-MH (3.6V nominal): Usually AA/AAA-style packs (3 x 1.2V cells in series). Common capacities: ~600–1000 mAh for compact fixtures like address or path lights.

Always match the voltage and chemistry printed on your current battery or in your fixture manual.

How to Choose the Right Replacement

1. Confirm voltage and chemistry: 3.2V LiFePO4 vs 3.6V Ni-MH. Do not mix or substitute chemistries.
2. Match the connector: Most packs use a 2-pin plug (often JST-style). The plug shape and wire order must match.
3. Check physical size: Ensure the cell or pack fits the battery bay (AA/14500 vs 18500 vs 18650, or multi-cell pack dimensions).
4. Choose capacity (mAh): Higher mAh can extend runtime if it fits and is supported by the fixture. Match or modestly increase over the original for best results.
5. Review model compatibility: If a battery is listed for your specific Gama Sonic model, prefer that version.

Use if / Avoid if

• Use LiFePO4 (3.2V) if your label says 3.2V/3.2V Li-ion (often marked LiFePO4/IFR) and you need strong cold-weather stability and long cycle life.
• Use Ni-MH (3.6V) if your label says 3.6V Ni-MH and the fixture is a compact path/address light designed for AA/AAA packs.
• Avoid mixing chemistries or voltages, forcing mismatched connectors, or installing a pack that does not physically fit or is not listed for your model.

Quick Comparison

Chemistry	Nominal Voltage	Typical Capacity	Best For	Notes
LiFePO4 (IFR)	3.2V	500–6000 mAh	Lamp posts, wall lights, higher-output fixtures	Good cycle life and temperature stability; requires LiFePO4-compatible charge controller (standard in matching Gama Sonic fixtures).
Ni-MH	3.6V	600–1000 mAh	Compact path/address lights	Common AA/AAA form factors; ensure pack layout and plug match.

Installation (5–10 minutes)

1. Turn the fixture OFF and remove the top/LED housing per the manual.
2. Open the battery compartment. Note the connector orientation.
3. Unplug the old battery. Do not pull on the wires; grasp the connector.
4. Plug in the new battery, matching connector and polarity.
5. Reassemble the fixture and set it to OFF for 1–2 full sunny days to precharge. Then switch ON.

Tip: If your fixture supports an optional second battery bay, install only the recommended matching battery type and capacity.

Runtime and Charging Expectations

• Sunlight needed: Aim for 6–10 hours of direct sun per day for a full charge. Partial shade reduces runtime.
• Typical runtime: Many fixtures are designed for dusk-to-dawn illumination in summer conditions. Runtime shortens in winter or with limited solar input.
• Capacity effect: Higher mAh generally yields longer runtime if the panel can recharge it fully. In low-sun locations, very large packs may not fully recharge daily.

Maintenance and Longevity

• Keep solar panels clean (rinse and wipe every 1–2 months) to maintain charging efficiency.
• Position panels away from shade; re-aim seasonally if adjustable.
• In cold seasons, expect reduced runtime; this is normal for all chemistries.
• For storage over 1–3 months, turn the fixture OFF and store the battery in a cool, dry place; recharge before redeploying.
• Recycle spent batteries at an authorized facility. Do not dispose in household trash.

Compatibility and Safety Notes

• Match voltage and chemistry exactly. A 3.2V LiFePO4 pack must not replace a 3.6V Ni-MH pack (and vice versa).
• Do not short, puncture, or crush batteries. Avoid mixing old and new packs.
• If you are unsure, reference your fixture’s model number and manual, or compare the part number printed on the original battery.

FAQ

How do I know my battery needs replacement?

Common signs include noticeably shorter runtime after sunny days, dim light even at dusk, or the light shutting off early while the LED and panel appear functional. If cleaning the panel and repositioning for sun don’t help, replace the battery.

Can I use a higher mAh battery?

Yes, if it matches the required voltage, chemistry, connector, and fits the compartment. Note that a larger pack may take longer to fully recharge, especially in winter or shade.

Can I use a third-party battery?

It can work if the specifications and connector match. However, for best fit and performance, use a battery specified for your Gama Sonic model. Incorrect voltage or plug wiring can damage the fixture.

Do I need to precharge the new battery?

Yes. Leave the fixture OFF for 1–2 sunny days after installation to build a full charge. This helps the controller calibrate and improves initial runtime.

Why did my light get dim in cold weather?

Battery capacity and solar charge both drop in cold and short daylight conditions. This is normal. Clean the panel, ensure maximum sun exposure, and expect longer runtimes to return in warmer, sunnier months.