Many original batteries may of been in a Blue Case, it was Nicad and known as 3V100R. This Ni-MH battery is a uprated version of these older batteries. This battery is also suitable for replac ing 110/120mAh batteries and others.
eBay
12V 4000mah lithium-ion Battery pack 3s 12.6V 11.1v 18650 Rechargeable Battery 3000mah For Monitor Ups CCTV Camera Battery
Aliexpress UK
With a 1-year manufacturer warranty, you can trust in the reliability of this battery. Made in Taiwan and using AGM technology, this Ultramax battery has a chemical composition that ensures a longer lifespan and better performance than other batteries on the market.
eBay
NEW LIR1632 3.6V Rechargeable Lithium Batteries LIR1632 Battery for Watch Car Remote Control CR1632 DL1632 Button Coin Cell
Aliexpress UK
With a manufacturer warranty of 1 year, you can be assured of its quality and performance. The NP10-6 battery is a lead-acid battery, making it a cost-effective solution for your power needs. 6v 10Ah Sealed Lead-Acid battery.
eBay
1-10pcs Highest Capacity Vapcell A20 26350 2000MAH 6A 3.6V lithium battery INR26350 Rechargeable Battery Cell For flashlight
Aliexpress UK
Minimum capacity : 12Ah. Manufactured to the highest quality standards, the NX 6V sealed lead acid battery's AGM separators improve reliability and extend battery life. 6V Sealed Lead Acid Battery.
eBay
21.6V Batterie for Dyson V6 V7 V8 Series SV12 DC62 SV11 sv10 Handheld Vacuum Cleaner battery Rechargeable Battery V8 Fluffy YH5
Aliexpress UK
eBay
1PCS/LOT 20mah 3.6v Ni-MH Button Cell Ni MH Batteries With Pins Rechargeable Battery
Aliexpress UK
The Yuasa NP7-6S 6V rechargeable sealed lead acid battery is a reliable power source for a variety of devices. With a capacity of 7Ah and a voltage of 6V, this battery is suitable for both high and low drain applications. Manufactured by Yuasa in China, it comes with a 1-year warranty, ensuring long-lasting performance. Ideal for use in sound and vision equipment, this battery provides a consistent and efficient power supply for extended periods.
eBay
1-5pcs LIR1632 3.6V Batteries Lithium Rechargeable LIR 1632 Battery for Watch Car Remote Control CR1632 DL1632 Button Coin Cell
Aliexpress UK
The LIR2450 battery is also known as the following: DL2450, BR2450, KL2450, L2450, ELIR2450, 5004LC, KLIR2450, E-LIR2450, KELIR2450, SB-T15.
eBay
1PCS/LOT 3.6V 80mAh NI-MH Ni MH Batteries With Pins Button Cell Rechargeable Battery For Clock Memory Lawn Lamp
Aliexpress UK
Ultramax NP4.5-6, 6v 4.5Ah Sealed Lead Acid - AGM - VRLA Battery. 6v 4.5ah (as 4ah, 4.2ah & 5ah). ALL BATTERIES CARRY A 12 MONTH WARRANTY . Absolute security from electrolyte leakage, Oxygen Recombining.
eBay
2-30pcs LIR1632 3.6V Rechargeable Lithium Batteries LIR1632 Battery for Watch Car Remote Control CR1632 DL1632 Button Coin Cell
Aliexpress UK