Best 4 V Batteries in 2026

Replacement for H99W H31 H6C H98 TR-C385 TR-P51 TR-F22 drone.

Package List: 5PCS 3.7V 400mAh Lithium Battery, 1pcs 5in1 Charger

High capacity can make your drone show a variety of difficult movement

Single weight: 27.4g ;Battery size: 54x 29 x9mm

Fast smart mini charger can charge 5 at the same time

Cool the battery before the next flight or charge. For the SYMA X5SC X5SW X5SC-1 RC four-axis helicopter

10C 7.4V 2700mAh Rechargeable Lipo Battery.

Good product with superior material, which is more durable & practical, and not easy to damage.

Built-in protection mechanism ensures safe charging and use

Longer Flight Time:Real Capacity 3.7V 350-380mAh Rechargeable Lipo battery,guarantee more flight time,high drain lithium-polymer rechargable battery,with built in protection IC

Suit for Hubsan X4 H107,H107C,H107L RC Quadcopter,Syma X11 X11C FX801 V911S A120 XK A150 V966, HS170 HS170C F180C HS170G TOZO Q2020 E016H E016F FX801 V911S A120 XK A150 V966

This Fast smart Charger: input: DC 5V;output: 4.2V,charging 5 batteries(3.7V) at the same time ,over charging protection and Short circuit protection,

---The battery is compatible with Syma X5C X5C-1 X5 X5SC X5SW H5C V931 S5C S5W SS40 FQ36 T32 T5W H42 CW4 drone, high quality and durable

--- The battery capacity is 800mAh, which can provide more battery life and fully experience the flying fun brought by drones

---The package includes 5PCS battery and 1PCS 5-in-1 charger, which can charge 5 batteries at the same time, and get 5 fully charged batteries at once

Only suit for the syma x5c x5c-1 X5 x5sc x5sw h5c v931 S5C S5W SS40 FQ36 T32 T5W H42 CW4 rc four-axis helicopter；Size: Length 42mm Width 25mm Thickness 8mm

To ensure more flight time, high rate of polymer rechargeable batteries.

Sea jump fast smart mini charger can charge 5 (3. 7v battery).

Genuine exact hubsan battery replacement: high capacity 7. 4v 2700mah lipo battery spare parts for hubsan x4 h501s h501c fpv brushless quadcopter(black&white). Original battery size: l106*w34*h16mm. Weight: 113g .

Longer flight time: to increase the flight time for two batteries(40mins). The fight time get hubsan's target 20 min.

2in1 battery charger: fast battery charger, charge 2 batteries meanwhile,less charging time. Usb port connected with computer or adapter(5v 1a-2a android or iphone adapter).

Upgraded high-discharge lithium battery and balanced charger

Cool the battery before the next flight or charge.

To ensure more flight time, high rate of polymer rechargeable batteries

The item suit for UDI U818A PLUS U49W U49C AA818 quadcopter

Guarantee more flight time, high drain lithium-polymer rechargable battery.

The drone battery charger with overcharge protection and short-circuit protection ,to ensure a safe charging process

To ensure more flight time, high rate of polymer rechargeable batteriesSea jump fast smart mini charger can charge 5 (3.7V battery)

Fast smart mini charger can charge 5 (3.7V battery)

Cool the battery before the next flight or charge. Only for Syma X5HW X5HC RC four-axis helicopters

Compatible for —— The battery pack suitable for related Syma X11 X11C WLToys V911S A120 XK A150 V966 FX801 UDI U830 U816A Hubsan X4 H107L DFD F180W F180C HS170 HS170C.

Battery Volts ——Battery Voltage:3.7V and battery capacity: 300mAh.

Pay Attention——Make sure your rc toys battery is same 3.7V and Battery discharger plug is same Plug.

Lithium Battery for R208 R308 2008 R206 RC Remote Control Boat

Small internal resistance, good for rate charge and discharge, high efficiency output performance.

Main protection function：Over charge，Short circuit protection and equilibrium.

For BLLRC L100 RC Boat Accessories HONGXUNJIE HJ808 Rremote Control Speed Boat

Li-Po battery has good safety performance, lighter weight, large capacity, small thickness, small internal resistance, good discharge characteristics.

Lithium battery protection: overcharge protection, overdischarge protection, discharge overcurrent protection, discharge short circuit protection.

Package included: 5pcs batteries and 1to5 charger

For Udi U27 U941 U941A U841 U843 D20 RC quadcopter

For Udi U842 and U28-1 transmitter

Suitable for UDIRC D33 U12S U12

Easy to plug in and out.

High quality and safe to use

It is strong and high quality.

large capacity, safe and durable,Long life can be discharged by charging times

Safety and environmental protection

Conversion line: can help you 2 battery at the same time charge.

Suit for UDI001 UDI008 RC Boat.

It will give more PUNCH and ROBUST performance due to its higher current output and power.

Suit for NH330 RH821 Quadcopter

Good performance, long service life, continuous and stable power supply.

Good safety performance, light weight, small internal resistance, good discharge characteristics.

Each1000mAh battery offers you more power to shoot more, charger to maximize charging efficiency

Fully Compatibility: Made to the exact specification of HS110D battery

Features four layers of protection (over-charging, short-circuit, high-temperature, and surge protection) with a high-quality, fire-resistant construction