We are the cheapest supplier of MSA Certified LifeP04 batteries in the UK. Our batteries utilise the latest control module technology and are the latest lightweight version of these batteries, not old stock sold by our competitors.

Slightly larger physically but packing 66% more power than the PS-12. Extremely compact the Battery Only Requires only 60% of the Space of a standard Caterham 53034 Banner battery and is only 30% of the weight!

Recommended for cars with larger capacity engines 2.5 litres or over or cars with more demanding electrical systems.

Cars with more constantly running cooling fans (Caterham 620R or 620S) or bike engined cars with electric reverse gear should use this PS-20 battery

UK Motorsports (MSA) Approved battery

(JWM are a MSA Certified Supplier, one of only 5 UK based companies)

Specifications:

Extremely Powerful - 630A cold cranking

Rapid Recharge: Recharges far faster than a conventional battery. Retains charge when isolated for up to 2 years.

Safe: Unlike other lithium batteries JWM batteries are internally inert, do no run warm and do not leak as they contain no liquids. You can even install them upside down!

JWM batteries are equipped with electronic systems to protect against overcharging, over discharging and short circuit.

Voltage - 12.8v

Capacity - 20Ah (60Ah PbEq)

Cold Cranking Amps - 630

Size (mm) (W x D x H laying on side) - 177 x 152 x 87

Weight 2.1 kg including optional cage.

Extremely compact the Battery Only Requires less than 1/3 Of The Space Of A Conventional Battery

Please Note: Before fitting a LifeP04 battery of any brand you should ensure your charging system is in good order. Poor grounds in charging and internal alternator voltage regulator circuits can damage LifeP04 batteries. Also ensure your battery is positioned sufficiently far away from very hot engine components such as exhaust manifolds.

Be aware the digital display should be switched off when not in use to prevent battery discharge